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Covidien Puritan Bennett 700 Series, Service Manual

The Covidien Puritan Bennett 700 Series service manual is essential for maintaining and troubleshooting your medical equipment. Download the manual for free from manualshive.com to ensure optimal performance and reliable operation of your device. Get the detailed instructions you need to properly service your Puritan Bennett 700 Series product.

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Numeric parts index

B-4

10070389 Rev. A

Puritan Bennett™ 700 Series Ventilator System Service Manual

G-060980-00

Screw, SOC, M5 x 8 (Attaches ventilator to shelf mount)

Figure 9-6

10

G-060986-00

Screw, FH, M3 x 8, POZIDRIV™* (Attaches power supply fan 
bracket to base)

Figure 9-20

20

Screw, FH, M3 x 8, POZIDRIV™* (Attaches external battery 
harness)

Figure 9-20

2

Screw, FH, M3 x 8, POZIDRIV™* (Attaches line filter)

Figure 9-20

10

Screw, FH, M3 x 8, POZIDRIV™* (Retains BBU PCB grommet 
bracket)

Figure 9-20

52

G-060987-00

Screw, FH, M4 x 6, POZIDRIV™* (Attaches power supply 
from bottom)

Figure 9-20

6

G-060988-00

Nut, HEX, M2.5 (Attaches LCD panel)

Figure 9-7

23

G-060989-00

Nut, HEX, M3 (Attaches BBU PCB)

Figure 9-20

30

G-060990-00

Nut, HEX, M4 (Attaches bottom of cable management bar)

Figure 9-14

2

Nut, HEX, M4 (Attaches keyboard to PCB)

Figure 9-7

7

Nut, HEX, M4 (Attaches line filter ground wire)

Figure 9-20

40

Nut, HEX, M4 (Attaches PEEP pump)

Figure 9-17

2

Nut, HEX, M4 (Attaches power input terminal ground wire)

Figure 9-20

54

G-060991-00

Nut, HEX, M5 (Attaches ground wire)

Figure 9-4

4

Nut, HEX, M5 (Attaches Hudson support bracket to cart 
interface bracket)

Figure 9-5

42

G-060992-00

Washer, IN LK, M2.5 (Attaches LCD panel)

Figure 9-7

22

G-060994-00

Washer, IN LK, M4 (Attaches ball bracket to cart)

Figure 9-5

26

Washer, IN LK, M4 (Attaches keyboard to PCB)

Figure 9-7

8

Washer, IN LK, M4 (Attaches line filter ground wire)

Figure 9-20

41

Washer, IN LK, M4 (Attaches power input terminal ground 
wire)

Figure 9-20

56

G-060995-00

Washer, SR, M3 (Attaches air flow thermistor assembly)

Figure 9-8

34

Washer, SR, M3 (Attaches BBU PCB)

Figure 9-20

29

Washer, SR, M3 (Attaches cable tie that retains main 
ventilator head harness)

Figure 9-8

48

Washer, SR, M3 (Attaches exhalation valve to flow sensor; 
attaches exhalation valve to cross tube; attaches check 
valve to expiratory filter housing)

Figure 9-13

5

Washer, SR, M3 (Attaches fan to fan guard)

Figure 9-19

13

Washer, SR, M3 (Attaches inspiration manifold)

Figure 9-11

9

Washer, SR, M3 (Attaches mixing manifold)

Figure 9-12

7

Washer, SR, M3 (Attaches optoswitch)

Figure 9-18

18

Washer, SR, M3 (Attaches oxygen sensor holder to 
inspiration manifold)

Figure 9-11

13

Washer, SR, M3 (Attaches power supply fan to bracket)

Figure 9-20

23

Washer, SR, M3 (Attaches pressure solenoid PCB)

Figure 9-14

21

Washer, SR, M3 (Attaches rack cover to piston/cylinder)

Figure 9-18

8

Washer, SR, M3 (Attaches safety valve)

Figure 9-11

6

G-060996-00

Washer, SR, M4 (Attaches collector vial support bracket to 
cart)

Figure 9-5

20

Washer, SR, M4 (Attaches collector vial bracket to plate)

Figure 9-6

9

Washer, SR, M4 (Retains check valve)

Figure 9-13

9

Washer, SR, M4 (Attaches cable management bar)

Figure 9-14

3

Washer, SR, M4 (Attaches autozero solenoids)

Figure 9-14

8

Part no.

Description

Figure no.

Item no.

Summary of Contents for Puritan Bennett 700 Series

Page 1: ...Service Manual Puritan Bennett 700 Series Ventilator Systems TM...

Page 2: ...vidien Technical Services at 1 800 635 5267 or your local representative Purchase of this instrument confers no express or implied license under any Covidien patent to use the instrument with any vent...

Page 3: ...roduct representative While the information set forth herein is believed to be accurate it is not a substitute for the exercise of professional judgment The ventilator should be operated and serviced...

Page 4: ...include Warning Indicates a condition that can endanger the patient or the ventilator operator Caution Indicates a condition that can damage the equipment NOTE Indicates points of particular emphasis...

Page 5: ...evices The 700 Series Ventilator System is not intended to be a comprehensive monitoring device and does not activate alarms for all types of dangerous conditions for patients on life support equipmen...

Page 6: ...of 10 volts per meter at frequencies from 26 MHz to 1 GHz and the ESD requirements of this standard However even at this level of device immunity certain transmitting devices cellular phones walkie ta...

Page 7: ...it means Refer to documentation for information Potential equalization point per IEC 601 1 External battery connection Circuit breaker Serial number AC current Type B equipment per IEC 601 1 Indicate...

Page 8: ...y 3 months whichever occurs first Consult operator s manual for complete instructions CAUTION COOLING FAN DO NOT OBSTRUCT Filter located behind panel Clean or replace filter as required every 250 runn...

Page 9: ...Preface Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A ix Back panel label 740 7 00311...

Page 10: ...Preface x 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Back panel label 760 7 00312...

Page 11: ...ion 1 32 2 Theory of operation 2 1 Overview of ventilator operation 2 1 2 2 Pneumatic system 2 3 2 2 1 Gas Inlet System Overview 2 7 2 2 1 1 Gas inlet system components 2 10 2 2 1 2 System operation 2...

Page 12: ...and piston retraction 2 71 2 6 4 1 Exhalation 2 71 2 6 4 2 Piston retraction 2 71 2 6 4 3 Mandatory breathing with delivered volumes less than 250 ml 2 72 2 7 Power source switchover 2 77 2 8 Emergenc...

Page 13: ...3 4 2 5 1 Review test log Reading the test log 4 24 4 2 5 2 Review EST tests Reading pass fail status of EST tests 4 24 4 3 Utilities functions 4 24 4 3 1 Pressure format 4 24 4 3 2 Date and time form...

Page 14: ...4 8 1 7 2 Procedures and precautions 8 4 8 1 8 Repainting and touch up 8 5 8 1 9 Replacement part ordering 8 5 8 1 10 Post repair 8 5 8 2 Patient system and accessories 8 5 8 3 Cart assembly 8 6 8 3 1...

Page 15: ...piration access panel and air intake manifold assembly 8 28 8 6 7 Air intake filter switch 8 30 8 6 8 Flex arm mounting block 8 31 8 6 9 Removing installing cabinet assembly 8 31 8 7 Oxygen regulator...

Page 16: ...id 8 56 8 12 Piston cylinder and motor encoder assemblies 8 57 8 12 1 Optoswitches 8 57 8 12 2 Removing installing piston cylinder and motor encoder assemblies 8 58 8 12 3 Greasing rack 8 59 8 12 4 Me...

Page 17: ...e management bar PCBs speaker and piezo alarm 9 37 9 16 PEEP pump and reservoir 9 41 9 17 Piston cylinder and motor encoder assemblies 9 43 9 18 Ventilator rear components 9 46 9 19 Power assembly 9 4...

Page 18: ...xviii 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...

Page 19: ...tion system pneumatic diagram 2 28 Figure 2 17 Exhalation system 2 29 Figure 2 18 Exhalation system components 1 of 2 2 30 Figure 2 19 PEEP CPAP system pneumatic diagram 2 32 Figure 2 20 PEEP CPAP sys...

Page 20: ...tchover 2 78 Figure 2 64 Safety valve open pneumatic diagram 2 82 Figure 4 1 Navigating the Service and Utilities menus 4 3 Figure 4 2 Oxygen regulator pressure transducer calibration setup 4 12 Figur...

Page 21: ...or heater clip 8 42 Figure 8 38 Exhalation assembly speaker and piezo alarm mounting 8 43 Figure 8 39 Exhalation check valve in position 8 44 Figure 8 40 Cable management bar PCBs speaker and piezo al...

Page 22: ...Inspiration manifold assembly 9 31 Figure 9 12 Oxygen regulator and oxygen solenoid assembly 9 33 Figure 9 13 Exhalation assembly 9 35 Figure 9 14 Cable management bar PCBs speaker and piezo alarm 9...

Page 23: ...s and indications 2 81 Table 3 1 Self tests 3 1 Table 3 2 POST routines 3 4 Table 3 3 Hardware requirements for EST 3 7 Table 3 4 EST prompts 3 8 Table 3 5 Key functions during EST 3 10 Table 3 6 Prom...

Page 24: ...xxiv 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...

Page 25: ...the Service and repair chapter of the Service Manual for maintenance activities performed by the service technician Refer to the Self tests chapter of the Operator s Manual or this manual for instruc...

Page 26: ...lows it to ventilate critically ill patients at adjustable oxygen concentrations without the need for a blender compressor or hospital grade wall air The 700 Series Ventilator System can be mains or b...

Page 27: ...General information Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 1 3 Figure 1 1 700 Series Ventilator System...

Page 28: ...breathing system meets the specifications stated in Table 1 1 see Results of ventilator breathing system testing Humidification device The 700 Series Ventilator supports use of an optional humidifica...

Page 29: ...s Connectors Inspiratory limb connector ISO 22 mm conical male Expiratory limb connector ISO 22 mm conical female Gas exhaust port ISO 30 mm conical Gas mixing system Range of delivery to the patient...

Page 30: ...s Ventilator automatically adjusts for volume losses due to gas compressibility that is automatic compliance compensation subject to a maximum delivered volume of 2 5 L NOTE To ensure that compliance...

Page 31: ...while ventilator is connected to AC power and the power switch is on including standby mode Battery charge levels available under Battery info menu function Battery shelf life when charge is not main...

Page 32: ...e Calculated from expiratory flow measurements FIO2 sensor Sensing position Inspiration manifold Range 18 to 109 Type Galvanic cell Sensor life 2 years nominal Actual life depends on operating environ...

Page 33: ...communication services The user may be required to take mitigation measures such as relocating or re orienting the equipment Other built in service capabilities Serial port enabling for file transfer...

Page 34: ...lies Table 1 3 Electromagnetic Immunity The 700 Series Ventilator System is intended for use in the electromagnetic environment specified below The customer or the user of the 700 Series Ventilator Sy...

Page 35: ...ed operation during power mains interruptions it is recommended that the 700 Series Ventilator System be powered from an uninterruptible power supply or a battery Power frequency 50 60 Hz magnetic fie...

Page 36: ...l Electromagnetic environment guidance Conducted RF IEC 61000 4 6 Radiated RF IEC 61000 4 3 3 Vrms 150 kHz to 80 MHz outside ISM bandsa 10 Vrms inside ISM bandsa 10 V m 80 MHz to 2 5 GHz 3 Vrms 150 kH...

Page 37: ...se stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electro...

Page 38: ...ient areas These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Table 1 5 Recommended separation dis...

Page 39: ...noid retaining screws Nutdrivers or wrenches 5 mm 5 5 mm or 7 32 in 7 mm 8 mm and 11 mm Local supplier Various service procedures Wrench open ended or adjustable Local supplier 10 mm Inspiration manif...

Page 40: ...ck cord P N G 061580 00 G 061567 00 or equivalent Performance verification Pneumatic calibration analyzer or equivalent devices capable of measuring oxygen percent flow BTPS volume pressure and barome...

Page 41: ...ygen regulator pressure transducer Cable ties small G 061096 00 or local supplier Various places Cutting tool Local supplier Various service procedures for cutting cable ties or wires Leak test fluid...

Page 42: ...3 months of use or more often if required Air intake filter G 060457 00 Replace at recommended interval or when an AIR INTAKE BLOCKED alarm occurs Every year or per your hospital s protocol Entire ve...

Page 43: ...Table 1 12 The keyboard is grouped into three sections VENTILATOR SETTINGS Where breath delivery variables are set PATIENT DATA Where alarm limits are set and monitored pressures breath timing and vol...

Page 44: ...20 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 1 2 Controls and indicators on 740 Ventilator keyboard VENTILATOR SETTINGS section VENTILATOR STATUS section PATIEN...

Page 45: ...ritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 1 21 Figure 1 3 Controls and indicators on 760 Ventilator keyboard VENTILATOR SETTINGS section VENTILATOR STATUS section PATIEN...

Page 46: ...excluding plateau Expiratory time 0 2 seconds PEEP CPAP SUPPORT PRESSURE or INSPIRATORY PRESSURE 80 cmH2O 80 hPa NOTE Maximum SUPPORT PRESSURE is 70 cmH2O maximum INSPIRATORY PRESSURE is 80 cmH2O SUPP...

Page 47: ...s is delivered 0 0 to 2 0 second Accuracy 0 05 second Mandatory PCV settings 760 Ventilator only RESPIRATORY RATE The minimum number of mandatory breaths the patient receives per minute 1 to 70 minute...

Page 48: ...SE TIME FACTOR 760 only The time for inspiratory pressure to rise from 0 to 95 of the target pressure level during a PSV breath A setting of 100 a 100 msec rise time and a setting of 5 80 of the inspi...

Page 49: ...n J or later 100 O2 Switches the O2 to 100 for 2 minutes then returns to the current O2 setting The 2 minute interval restarts every time you press 100 O2 Once the 100 O2 has started you can press CLE...

Page 50: ...h was a VCV breath or compliance if the mandatory breath was a PCV breath for 30 seconds Compliance Range 1 to 150 mL cmH2O Accuracy 1 mL cmH2O 20 of reading Resistance Range 0 to 150 cmH2O L second A...

Page 51: ...ventilation shows Flow L min Third and fourth lines Reserved for other messages On the 760 Ventilator and for 740 Ventilators with software revision H or later for every breath type peak and end inspi...

Page 52: ...the last 5 breaths for A C VCV breaths ventilator initiated PCV breaths and PCV apnea breaths or for the just completed breath for all other breaths Corrected to BTPS and compliance compensated Updat...

Page 53: ...NT mode unless the speaking valve option is enabled 3 to 60 cmH2O 3 to 60 hPa Accuracy 1 3 of setting LOW TIDAL VOLUME An active alarm indicates that exhaled volume for three out of four consecutive b...

Page 54: ...d Not applicable ASSIST Lights at the start of each breath to indicate a patient initiated mandatory breath is being delivered Not applicable SPONT Lights at the start of each breath to indicate a pat...

Page 55: ...entilator breathing circuit If possible the message window shows the alarm that triggered the safety valve open condition and how much time has elapsed since the last breath was triggered ON AC BATTER...

Page 56: ...lish 10069629 700 Series Ventilator System Operator s Manual French 10069624 700 Series Ventilator System Operator s Manual German 10070843 700 Series Ventilator System Operator s Manual Italian 10069...

Page 57: ...ntilator s components It includes five printed circuit boards PCBs a power supply and various minor components fans harnesses etc Room air and oxygen from an external supply enter the cylinder via the...

Page 58: ...uses this data to control the flow of gas to the patient system Power to operate the ventilator comes from the AC mains via a 24 V DC power supply output or from an internal or external optional rech...

Page 59: ...ystem Service Manual 10070389 Rev A 2 3 2 2 Pneumatic system The 700 Series Ventilator pneumatic system includes the following see Figure 2 2 Gas inlet system Piston cylinder system Inspiratory manifo...

Page 60: ...ation Inspiratory Exhalation PEEP Filter PEEP check valve sensor regulator fitting intake filter manifold check valve regulator pressure transducer encoder solenoid filter Expiratory filter Collector...

Page 61: ...al and larger retention at flow of 100 L min Filter inspiratory main flow 0 3 m nominal and larger retention at flow of 100 L min Filter PEEP reservoir 0 3 m nominal and larger retention at a flow of...

Page 62: ...l other times Solenoid assembly oxygen includes low and high flow solenoids and orifices High flow solenoid Two way Energized opened High oxygen flow requirements De energized closed Other times Low f...

Page 63: ...shown in Figure 2 3 and Figure 2 4 entrains room air It also delivers externally supplied oxygen to the ventilator and regulates the oxygen to a pressure usable by the ventilator Figure 2 3 Gas inlet...

Page 64: ...inlet system 1 of 2 Front view 7 00260 Oxygen regulator Oxygen regulator pressure transducer Oxygen solenoid assembly Bleed port Oxygen fitting Air intake filter assembly Rear view 7 00261 Low flow s...

Page 65: ...ervice Manual 10070389 Rev A 2 9 Figure 2 4 Gas inlet system 2 of 2 Gas inlet system disassembled 7 00262 Mixing manifold Oxygen regulator pressure transducer Oxygen solenoid assembly Pressure tap Oxy...

Page 66: ...xygen solenoid assembly is a field replaceable unit FRU This assembly includes the high and low flow solenoids and does not include the oxygen regulator pressure transducer Calibration data specific t...

Page 67: ...he oxygen source pressure to verify its adequacy and to calculate the flow from the orifices If the oxygen pressure reading drops below a threshhold level determined by real time atmospheric pressure...

Page 68: ...mixture is drawn in through the air intake filter The gases pass through the mixing manifold which dampens the sound of the gases The gas displaced by piston movement is vented through the air intake...

Page 69: ...t 2 of 2 Oxygen solenoid assembly 7 00242 High flow solenoid Low flow solenoid Oxygen regulator 7 00230 Bleed port Pressure tap Oxygen regulator pressure transducer 7 00228 Mixing manifold side away f...

Page 70: ...back from the encoder is used to monitor the piston s position The piston is mounted on a shaft which rides on precision linear bearings at each end of the cylinder The shaft has a rack gear profile I...

Page 71: ...d a detector section Each codewheel has a pattern photographically plated on it As the motor shaft revolves the codewheels rotate with respect to the emitter and photodetector sections causing the lig...

Page 72: ...r circuit in turn determines the piston position and velocity The retraction velocity is controlled to draw in 150 L min nominal Gas behind the piston mostly room air is vented through the air intake...

Page 73: ...Piston cylinder system Front view 7 00033 Optoswitches Motor encoder Piston cylinder Cylinder pressure transducer autozero solenoid Side view 7 00034 Outlet check valve translucent leaf blue housing I...

Page 74: ...Bennett 700 Series Ventilator System Service Manual Figure 2 8 Piston cylinder system components 1 of 2 Piston cylinder assembly 7 00036 7 00037 Pinion gear Motor Encoder Motor encoder assembly 7 0003...

Page 75: ...Piston cylinder system components 2 of 2 7 00040 Cylinder outlet check valve blue housing 7 00039 Cylinder inlet check valve white housing Optoswitches End optoswitch Home optoswitch 7 00041 NOTE The...

Page 76: ...gear and rack Figure 2 10 Operation of optical encoder Optoswitch Flag Rack 7 00043 Pinion gear Codewheel B Codewheel A Direction of travel Velocity of travel CH A CH B Reverse CH A CH B Quadrature pu...

Page 77: ...onical connector for attachment of the inspiration filter and inspiration limb of the patient tubing system The oxygen sensor is a galvanic sensor that measures the percentage of oxygen delivered from...

Page 78: ...noid actuator that is normally energized closed while the ventilator operates The closed valve prevents gas from escaping to the room and thus allows the ventilator to deliver gas through the inspirat...

Page 79: ...Manual 10070389 Rev A 2 23 Figure 2 12 Inspiration manifold system Inspiration manifold assembly disassembled Thermistor 7 00235 Safetyvalve solenoid Oxygen sensor Poppet assembly Inspiration manifol...

Page 80: ...ervice Manual Figure 2 13 Inspiration manifold system components 1 of 2 Inspiration manifold 7 00042 Pressure tap to inspiration pressure transducer Exhalation valve port Inspiration port Thermistor p...

Page 81: ...e patient control patient ventilation and isolate the ventilator from the patient with bacteria filters The patient system also heats and humidifies delivered gas if a humidification device is install...

Page 82: ...hile the exhalation tube carries exhaled gas from the patient to the ventilator The humidification device moistens the gas delivered to the patient so it more closely approximates gas inspired through...

Page 83: ...Series Ventilator System Service Manual 10070389 Rev A 2 27 Figure 2 15 Patient system components Expiratory filter 7 00093 Inspiratory filter 7 00094 Collector vial 7 00095 Humidification device 7 00...

Page 84: ...t autozeroes the transducer at power on once a minute for the first 10 minutes and hourly thereafter The transducer is autozeroed by venting to atmosphere A muffler reduces noise and filters the venti...

Page 85: ...exhalation flow sensor provides flow information on a patient s exhaled gas The sensor is actually a fine mesh screen with pressure taps on both sides The pressure taps connect to a differential pres...

Page 86: ...Expiratory filter housing 7 00101 Exhalation check valve assembly 7 00102 Exhalation pressure transducer port 7 00103 Exhalation pressure transducer autozero solenoid 7 00104 Exhalation check valve a...

Page 87: ...ion valve The valve was opened by the exhalation solenoid sufficiently to maintain the operator selected PEEP The exhaled gas flows through the opened valve and is vented through the ventilator outlet...

Page 88: ...capacitor reducing pressure fluctuations and preventing PEEP undershoot The PEEP pump a vibrating armature pump generates PEEP CPAP pilot pressure Gas compressed by the PEEP pump fills a reservoir The...

Page 89: ...lator maintain the PEEP CPAP at the selected value Even with a ventilator breathing circuit leak of up to 10 L min PEEP CPAP can be maintained The ventilator compensates by adjusting the piston cylind...

Page 90: ...89 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 2 21 PEEP CPAP system components PEEP reservoir 7 00113 To pump inlet From pump outlet To exhalation solenoid Outlet Inlet P...

Page 91: ...the knob encoder Miscellaneous parts including the speaker piezo alarm main fan air flow thermistor assembly and air intake manifold sensor Communications option assembly if the Communicatons option i...

Page 92: ...D CONTROLLER CPU AND MEMORY NVRAM MOTOR CONTROLLER CIRCUIT CPU AND MEMORY EXTERNAL WATCHDOG CIRCUIT REAL TIME CLOCK REAL TIME CLOCK SERIAL COMM PORT OPTOSWITCH CIRCUIT BD SIDE UI SIDE OXYGEN PERCENTAG...

Page 93: ...FACE PCB G 060514 00 To ventilator head G 060846 00 Grommet UI ventilator head cable assy G 060100 00 To BBU PCB J7 To controller PCB J4 J4 Rotary encoder To BBU PCB J5 Oxygen sensor Air flow thermist...

Page 94: ...00 G 060830 00 G 060113 00 G 060829 00 GRN YEL POWER SUPPLY VIEW FROM REAR BLU GRN YEL BLU BLK BLU BRN RED BLU BRN Terminal J2 INT BAT J6 RED 1 RED 2 BLK 2 External battery INTERNAL BATTERY COMPARTME...

Page 95: ...s shown in Figure 2 26 interconnect the parts of the power assembly The ventilator head power supply harness Figure 2 27 connects the power assembly to the rest of the ventilator Figure 2 25 Power ass...

Page 96: ...n 2 40 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 2 25 Power assembly 2 of 2 Rear view 7 00127 BBU PCB ventilator head harness to controller PCB 7 00128 Power as...

Page 97: ...d The ventilator includes a detachable 3 m 10 ft power cord The cord has an IEC standard right angle three prong connector The plug end varies corresponding to different countries requirements 7 00145...

Page 98: ...It is rated for 5 A 250 V AC The switch breaks both sides of the line The third pole is used to disconnect the battery ground for purposes of storage or service All power including battery power is r...

Page 99: ...s to external or internal battery as the power source For a complete description of the power source switchover operation see Section 2 7 This circuit operates independently of both microprocessors al...

Page 100: ...ck s float voltage is 27 4 V 20 this float voltage charging level decreases with increasing battery compartment temperature Inputs from the voltage and temperature monitor allow the controller PCB to...

Page 101: ...A 2 45 Figure 2 31 BBU PCB and fan installed in power assembly 2 3 1 4 Power supply fan An internal 24 V fan Figure 2 32 recirculates the air within the power assembly Figure 2 31 shows the fan insta...

Page 102: ...mode A new fully charged internal battery can operate the ventilator for approximately 2 5 hours under nominal conditions tidal volume 0 6 L respiratory rate 15 breaths min PEEP CPAP 5 cmH2O peak flow...

Page 103: ...rate 15 breaths min PEEP CPAP 5 cmH2O peak flow 60 L min plateau 0 s average peak pressure 30 cmH2O average mean pressure 8 cmH2O The external battery is connected to the ventilator through the extern...

Page 104: ...tion Cylinder Exhalation flow sensor differential two inputs This sensor uses as inputs pressures from either side of a fine mesh screen in the exhalation system The pressure differential is directly...

Page 105: ...ol at 92 cmH2O cylinder pressure and in other circumstances The fan circuit detects an open circuit to the main fan or a stalled fan condition The fan must always be on when the unit is ventilating Th...

Page 106: ...solenoid and controller PCBs installed 7 00141 15V ON LED Test connector J2 15V ON LED TRANS HEAT ON LED MANIFOLD HEAT ON LED 5V ON LED Inspiration pressure transducer Cylinder pressure transducer Exh...

Page 107: ...CB The controller PCB has two sections the breath delivery BD and the user interface UI sections See Figure 2 37 for controller PCB installed in ventilator and Figure 2 38 for controller PCB These sec...

Page 108: ...use the Update prsol nvram function in the service menu when replacing the pressure solenoid PCB and other service data and ventilator settings see Table 2 2 The NVRAM device plugs into a socket on th...

Page 109: ...nt O2 setting The greater the percentage oxygen in use the lower the life Service data Hours internal battery has powered ventilator Service data Hours remaining until preventive maintenance is due Se...

Page 110: ...tion Operator accesses via menu Ventilator configuration Ventilator breathing circuit resistance and compliance Source SST EST circuit resistance field currently unused Ventilator configuration Endotr...

Page 111: ...gure 2 43 is attached to the UI PCB Circuitry on the controller PCB senses pressed keys A software debounce routine protects against unintended multiple keystrokes Extended data Number of hours at var...

Page 112: ...It operates according to the same principles as the optical encoder used with the motor see Section 2 2 2 A knob decoder on the controller PCB determines the direction and position of the shaft based...

Page 113: ...of operation Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 2 57 Figure 2 41 UI display PCB 740 shown Figure 2 42 4 line x 20 character LCD panel message window 7 00154 7...

Page 114: ...of operation 2 58 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 2 43 Keyboard assembly 740 shown Figure 2 44 Rotary encoder with knob 7 00156 Knob 7 00157 Rotary e...

Page 115: ...arm serves as a backup for the speaker See Figure 2 46 for piezo alarm and Figure 2 47 for installation in ventilator It can sound for two or more minutes The alarm sounds under these conditions follo...

Page 116: ...nterior and to dissipate oxygen in the event of an oxygen leak It runs continuously during ventilation The fan maintains the oxygen percentage inside the ventilator at less than 25 To monitor this air...

Page 117: ...2 50 for air flow thermistor assembly installed on air intake manifold Readings from both thermistors are compared to determine whether air is flowing in the unit whether the fan is operating and the...

Page 118: ...al devices such as a Puritan Bennett CliniVision System or other interactive device 2 5 Motor control and drive The motor which drives the piston back and forth is controlled by the BD section of the...

Page 119: ...SIMV modes This section describes how the ventilator delivers mandatory and spontaneous breaths from a hardware perspective Figure 2 53 is a plot showing ventilator parameters during the course of a m...

Page 120: ...53 Breath cycle for a VCV breath without PEEP 0 L min Pe Pcyl Pe PEEP 10 cmH2O Pcyl 7 00165 Breath delivery Exhalation piston retraction Exhalation valve closed Breath trigger Piston retraction Leak c...

Page 121: ...al 10070389 Rev A 2 65 Figure 2 54 Breath cycle for a PCV breath 150 L min Pe Pcyl Pe Pcyl 7 00317 Breath delivery Exhalation phase Exhalation valve closed Breath trigger Piston retraction Piston velo...

Page 122: ...lied by the motor controller circuit the magnitude of the cylinder s stroke is determined Now the piston is ready to deliver breaths The actual number of encoder counts between optoswitches is stored...

Page 123: ...ION key being pressed A patient initiated breath is triggered when the ventilator senses patient effort As shown in Figure 2 57 when patient effort begins the exhalation pressure transducer measures a...

Page 124: ...regulator intake filter Mixing check valve regulator pressure transducer encoder solenoid filter Expiratory filter Collector vial pressure transducer autozero solenoid Exhalation pressure transducer...

Page 125: ...breaths and is calculated based on piston cylinder displacement minus losses due to cylinder leak tubing compliance and piston cylinder compliance In a VCV breath the patient receives a square flow w...

Page 126: ...en Safety Oxygen Outlet Cylinder Piston cylinder assy Inlet Motor Exhalation Thermistor Exhalation Inspiratory To patient Exhalation PEEP Jet Filter PEEP check valve sensor regulator intake filter Mix...

Page 127: ...on for the next breath To fill the cylinder the ventilator retracts the piston to its home position at a rate equivalent to 150 L min at a minimum After it reaches home the piston may move forward con...

Page 128: ...gh the manifold and into the cylinder to augment the low oxygen flow During the second part of the retraction period the oxygen solenoid is de energized and only room air flows into the cylinder as th...

Page 129: ...or intake filter Mixing check valve regulator pressure transducer encoder solenoid filter Expiratory filter Collector vial pressure transducer autozero solenoid Exhalation pressure transducer autozero...

Page 130: ...ource pressure During the first part of the retraction period oxygen flowing at 150 L min enters the cylinder which is also retracting at 150 L min During the second part of the retraction period room...

Page 131: ...from high flow solenoid L min Air flow from air intake manifold L min Low oxygen flows Piston retraction speed L min Low flow solenoid on off Oxygen flow from low flow solenoid L min Air flow from ai...

Page 132: ...e position when insufficient gas remains to deliver another breath Piston makes another small excursion to deliver a second breath Piston makes a small excursion to deliver a breath Piston starts at h...

Page 133: ...s that for the first three seconds after the ventilator power is turned on the ventilator is powered from the external if available and charged or internal battery After three seconds provided the pow...

Page 134: ...power supply output 21 V No Yes Use external battery Use external battery B Is power supply output 21 V Is power supply output 21 V B B Internal battery output 21 V External battery output 21 V No Pe...

Page 135: ...0 cmH2O RISE TIME FACTOR A C PCV SIMV PCV and SPONT PSV 760 Ventilator only Set to 70 SPONT mode Patient initiated breath triggering disabled PSV breaths delivered at a rate of 12 min with an inspirat...

Page 136: ...the ventilator responds to a VENT INOP condition When a VENT INOP condition is declared the ventilator goes into the safety valve open SVO state the motor drive circuit is disabled the VENT INOP indic...

Page 137: ...ardware circuit on the pressure solenoid PCB If neither microprocessor is able to control the safety valve the backup circuit opens the safety valve when pressure exceeds 115 cmH2O Table 2 4 summarize...

Page 138: ...ston cylinder assy Inlet Motor Exhalation Thermistor Exhalation Inspiratory To patient Exhalation PEEP Jet Filter PEEP check valve sensor regulator intake filter Mixing check valve regulator pressure...

Page 139: ...tegrity of the microcontrollers power supply battery transducers and motor Automatically when power is applied to the ventilator including after a power interruption at the start and end of SST and ES...

Page 140: ...hours of use remaining before preventive maintenance is required At the end of POST after approximately eight seconds the last valid settings are displayed The appropriate indicator is lit to indicate...

Page 141: ...still does not pass the ventilator issues up to two more system resets waiting for POST to pass before a VENT INOP condition is declared As a result POST is terminated and the ventilator is placed in...

Page 142: ...was properly initialized by hardware POST1 UI and BD I O initialization Initializes digital outputs POST1 UI and BD User interface initialization Initializes all UI indicators POST1 UI EPROM checksum...

Page 143: ...use Current operating mode for example normal SST EST Offsets for transducers zeroed by the UI section Overall status of UI POST Algorithm constants Constants stored in NVRAM POST3 BD Autozeroing of...

Page 144: ...holding down the MENU key The ventilator declares a ventilator inoperative condition enters a safety valve open state and allows access to service menu functions Use these functions to test and troub...

Page 145: ...ate EST operation run EST after the ventilator has been powered on for at least 10 minutes Table 3 3 Hardware requirements for EST Description Manufacturer or model or Covidien part number Ventilator...

Page 146: ...Self test then press ACCEPT Turn the knob to select Extended self test To run EST from the service menu a Press MENU while simultaneously powering on ventilator Do not release MENU until prompted by m...

Page 147: ...red humidification device then press ACCEPT Device types include HME heat and moisture exchanger or artificial nose Dual heated wire humidifier with heated wires on both inspiratory and expiratory lim...

Page 148: ...connect ventilator from oxygen supply Press ACCEPT Reconnect O2 supply Reconnect ventilator to oxygen supply Press ACCEPT Disconnect I tubing Disconnect tubing from inspiratory filter outlet Leave ins...

Page 149: ...s are turned on in upper half Lower MDW blocks Press ACCEPT to confirm all pixels are turned on in lower half Name of a key Press named key High alarm sound Confirm you hear alarm by pressing ACCEPT M...

Page 150: ...ompromise the ventilator s ability to ventilate safely A VENT INOP condition is declared when you cycle power to the ventilator Repair and retest the ventilator To retest from the start of the test se...

Page 151: ...urate tidal volume delivery or autocycling Pe Pcyl compare part of test 7 Verifies proper functioning of pressure transducers and ventilator breathing circuit Fault if not passed Yes NOTE Overriding t...

Page 152: ...lts are outside of the outer set of limits test fails the first time If the results are outside the inner limits but within the outer limits the ventilator adjusts its calibration table in nonvolatile...

Page 153: ...audible at maximum volume Failure if not passed Yes Listen for each named sound then press ACCEPT to verify it is audible Press CLEAR if a sound is not audible 16 Backup alarm test Checks operation of...

Page 154: ...gen regulator and reads pressure Compares pressure reading with calibration value in NVRAM 1 Make sure oxygen source pressure is between 40 and 90 psi 275 and 620 kPa 2 Repeat this test and verify oxy...

Page 155: ...nstalled 3 Verify safety valve is closed during this test 4 Verify pressure sensing tubes are not leaking 5 Replace exhalation valve 6 Replace elbow tube between inspiration manifold and ventilator ou...

Page 156: ...ncluding filter is 5 cmH2O adult circuits or 3 cmH2O Considers an occlusion to have occurred if pressure drop exceeds 80 cmH2O during test 1 Make sure operator correctly performed required actions 2 R...

Page 157: ...to verify that piston leak constants are as stated on calibration label Input correct constants as required 5 Replace cylinder inlet check valve 13 Lights displays test VENTILATOR STATUS indicators VE...

Page 158: ...ssembly ventilator head harness connection is secure 6 Verify voltage to fan is between 23 and 25 V If voltage is present and within range replace fan It it is not present or is out of range replace p...

Page 159: ...ftware error or hardware error not expected to compromise ventilation The ventilator has detected an error while running an ongoing check The ventilator is reset The code is logged into the alert log...

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Page 161: ...cle power to a ventilator with an active VENT INOP condition you are given automatic access to a limited set of service menu functions You must repair the ventilator and run and pass EST before ventil...

Page 162: ...ed parameters including pressures temperatures voltages battery current PEEP motor on time delivered volume flow BTPS and oxygen percentage EST Runs extended self test see Chapter 3 for details on EST...

Page 163: ...ib Peep pump calib P e P cyl gain calib Exit testing B Utilities Pressure format Date time format cmH 2 O hPa Time format select Date format select 12 hour format 24 hour format US date format Europe...

Page 164: ...d in NVRAM separately from the test logs The pass fail status of the most recent execution of each EST test is stored NOTE The EST test results stored in NVRAM are always the results from running a fu...

Page 165: ...nalog measurements that are converted to digital the number of A D converter counts may also be listed in parentheses after the measurement Table 4 3 Pressure sensors Specific parameter Description Sh...

Page 166: ...ttery BBU sensors Specific parameter Description Should read within this range Internal battery Internal battery voltage reading taken with charger off in V 18 to 30 V Internal battery reading only av...

Page 167: ...5 V measured on pressure solenoid PCB in V 14 0 to 15 9 V N15V 15 V measured on pressure solenoid PCB in V 13 7 to 15 7 V 1V2 REF 1 1 2 V reference 1 on pressure solenoid PCB in V 1 2 to 1 3 V 1V2 REF...

Page 168: ...he oxygen regulator pressure transducer oxygen sensor PEEP pump equalize the gain of the exhalation pressure transducer cylinder pressure transducer Pe Pcyl run the battery load test run the serial po...

Page 169: ...r calib and O2 pressure calib functions Caution To ensure correct function of the pressure solenoid PCB be sure to perform the Update prsol nvram function before the FIO2 sensor calib and O2 pressure...

Page 170: ...hus a ventilator that fails an EST test can continue to operate for troubleshooting purposes only Pressing ALARM RESET while running diagnostic EST returns you to the start of the full non diagnostic...

Page 171: ...erform this calibration NOTE If you do not wish to perform this calibration do not proceed but press CLEAR now If you press ACCEPT now the calibration cannot be exited until complete O2 pressure calib...

Page 172: ...ther calibration function If the calibration fails try the following corrective actions 1 Verify oxygen supply pressure is between 40 and 90 psi 275 and 620 kPa 2 Repeat this test and verify that oxyg...

Page 173: ...u as described here or the main menu using the Oxygen sensor function FIO2 sensor calib Please wait Wait while the calibration check proceeds FIO2 sensor calib Calibration passed or Calibration failed...

Page 174: ...pump calib Press ACCEPT to perform this calibration NOTE If you do not wish to perform this calibration do not proceed but press CLEAR now If you press ACCEPT now the calibration cannot be exited unti...

Page 175: ...Exit testing otherwise turn the knob to access another calibration function If the calibration fails try the following corrective actions 1 Verify tubing setup is correct 2 Verify voltage to PEEP pum...

Page 176: ...50 cmH2O Pe Pcyl gain calib Disconnect syringe Return the tubing to its normal configuration Press ACCEPT Pe Pcyl gain calib Calibration passed or Calibration failed If the calibration passes press A...

Page 177: ...Failure to perform this adjustment when relocating from higher to lower altitudes may result in inadequate oxygen supply pressure and one or both of these alarms LOW O2 SUPPLY O2 LOW Int battery test...

Page 178: ...calib during this service session or press CLEAR if you have not yet performed an O2 pressure calib If you press ACCEPT there is a one second burst from the high flow solenoid Reg altitude calib Perf...

Page 179: ...initial pressure that is regulator pressure was not adjusted Use the 3 8 in wrench to re tighten the lock nut at the top of the oxygen regulator Press ACCEPT to exit the adjustment High Flow xxx L min...

Page 180: ...tants label for the applicable part Message window display Description Exit testing Press ACCEPT to reset the ventilator and exit the service menu in preparation for ventilation Message window display...

Page 181: ...of the number Press ACCEPT when this fine adjustment is complete NOTE If you need to perform only the fine adjustment you must still press ACCEPT to proceed to the fine adjustment Update new constants...

Page 182: ...e window display Description Update serial number Press ACCEPT to proceed Vent serial number xxxxyyzzzz Turn knob to adjust Turn the knob to set the year of manufacture the flashing fifth and sixth di...

Page 183: ...is function displays the contents of the test log entries or the EST test results To access the Test data functions from the A Service menu prompt turn the knob until Test data is displayed then press...

Page 184: ...try in the log referring to Figure 4 6 Turn the knob to scroll through all remaining entries Message window display Description Review EST tests Press ACCEPT to proceed EST test result Review the entr...

Page 185: ...ted Date format select you will see this display Message window display Description 12 hour format or 24 hour format Turn the knob to choose either 12 hour format or 24 hour format then press ACCEPT t...

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Page 187: ...ioning accessories may affect some ventilator functions and may result in false test results Refer to this chapter when performing the safety checks recommended in the 700 Series Ventilator System Ope...

Page 188: ...U PCB installation removal replacement of the Communications option assembly EPROMs or NVRAM Complete performance verification Removal replacement of any other part Test 6 EST Table 5 1 When to run pe...

Page 189: ...or breathing circuit To use as test circuit G 061208 00 or equivalent adult reusable without heated wire NOTE To ensure compliance compensation functions correctly you must run EST or SST with the cir...

Page 190: ...interior for obvious problems such as missing or broken parts loose assemblies or disconnected wires connectors or tubing Repair as needed 5 4 Preliminary ventilator setup Set up the ventilator for th...

Page 191: ...cedures in the applicable operator s or service manual Warning Follow accepted safety procedures for electrical equipment when making connections adjustments or repairs 5 6 1 Electrical safety test an...

Page 192: ...etents the PEEP CPAP setting is 5 cmH2O See Section 5 7 5 6 Turn off ventilator power 5 6 3 Battery test Test 3 The battery test verifies the batteries are operating correctly Perform one of the follo...

Page 193: ...upted that LOSS AC POWER alarm is invoked and that ON INTERNAL BATTERY indicator in VENTILATOR STATUS section of UI flashes See Section 5 7 7 5 Plug ventilator power cord back into wall outlet 6 Verif...

Page 194: ...e returning ventilator to service 5 6 5 Supply voltage test Test 4 The following procedures describe how to measure supply voltages off the pressure solenoid PCB Caution To prevent possible damage to...

Page 195: ...t 5 1 When using the PTS 2000 set up the ventilator for test as shown in Figure 5 2 NOTE Connect the PTS 2000 with the inspiration limb of the patient tubing circuit To ensure accurate volume measurem...

Page 196: ...ALL PARAMETERS screen 2 Change the settings shown in bold 3 Wait until the ventilator delivers at least 10 breaths 4 Make the following measurements and verify the readings are as listed below See Sec...

Page 197: ...31 breaths min PEEP 0 95 to 5 05 cmH2O Control Setting HIGH RATE 100 breaths min HIGH TIDAL VOLUME 1500 mL LOW INSP PRESSURE 3 cmH2O LOW TIDAL VOLUME 0 mL HIGH PRESSURE 90 cmH2O LOW MINUTE VOLUME 0 L...

Page 198: ...determining that a patient will not be placed at risk Covidien urges medical departments to review the implications of using a ventilator that completed EST with a fault status Covidien recommends es...

Page 199: ...ob to select A Service menu then press ACCEPT c Turn knob to select EST 2 Respond to prompts referring to Chapter 3 3 Verify EST passes See Section 5 7 8 4 Connect test lung to patient wye if not alre...

Page 200: ...the ventilator settings shown in bold Control Setting HIGH RATE 100 breaths min HIGH TIDAL VOLUME 1500 mL LOW INSP PRESSURE 3 cmH2O LOW TIDAL VOLUME 5 mL HIGH PRESSURE 90 cmH2O LOW MINUTE VOLUME 0 L M...

Page 201: ...e ventilator breathe at least two breaths 3 Verify the pressure readings displayed on the ventilator s PRESSURE bar graph PEAK PRESSURE display and the MAX pressure reading in Breathlab s software are...

Page 202: ...revision E or later the safety valve opens then closes again when it enters occlusion cycling mode On ventilators with earlier software than revision E the safety valve opens and remains open until y...

Page 203: ...rrect power cord with grounding plug is being used and that there is no visible damage to power cord Check continuity of power cord Replace power cord as required c Verify ground wire from line filter...

Page 204: ...Section 5 6 3 2 if battery is not charging through step 4 if battery is charging through step 6 c Replace internal battery d Check continuity of internal battery harness Replace harness as required e...

Page 205: ...working correctly b Verify ventilator settings are correct particularly TRIGGER SENSITIVITY is set to 10 L min c Rerun SST 17 PEEP reading out of range a Verify test equipment used is calibrated and...

Page 206: ...n assembly autozero solenoid and pressure transducer is securely connected d Replace pressure solenoid PCB e Replace controller PCB 20 Safety valve test failed a Verify safety valve ventilator head ha...

Page 207: ...r service menu functions will help you determine what to repair The most recently detected error the error that triggered the VENT INOP condition is stored in the test and or alert log Also review any...

Page 208: ...ode representing that triggering condition If another code was recorded in the test log immediately before the reset code was recorded troubleshoot the ventilator from that accompanying code If an acc...

Page 209: ...f specification An anomaly may cause the Alert Log to incorrectly record a 06027 error code under certain circumstances when the unit has been switched off An Actual 06027 Error Code Event During norm...

Page 210: ...shut down after low power was detected The AC supply was lost and all batteries in unit are exhausted 1 Restore AC power if possible 2 Replace batteries 1179 1xxx UI application Software error See Sec...

Page 211: ...or has warmed up and attained a steady state temperature after removing the ventilator from its packaging 3 Make sure ventilator lid is securely closed and that the lid gasket is not torn 4 Make sure...

Page 212: ...as necessary 4 Replace pressure solenoid PCB 6011 BIOT technical alert EXH CCT LOW TEMP Exhalation limb temperature too low 1 Check connections of exhalation heater and thermistor assemblies 2 Replac...

Page 213: ...oo high 1 Make sure room temperature is not too high 2 Check wiring from thermistor to pressure solenoid PCB 3 Replace inspiration manifold thermistor 4 Replace pressure solenoid PCB 6019 BIOT technic...

Page 214: ...tilation is occurring Perform a Pe Pcyl gain equalization as required Replace pressure solenoid PCB 6025 BIOT technical alert LOW INSP PRESSURE Cylinder pressure transducer reading Pcyl fell below 40...

Page 215: ...rt CONTACT SERVICE Battery current high 1 Replace appropriate battery 2 Replace BBU PCB 3 Replace controller PCB 6035 BIOT technical alert CONTACT SERVICE PEEP pump current low 1 Verify resistance of...

Page 216: ...for blockage 4 Replace pressure solenoid PCB 6042 BIOT technical alert PCYL COMPARE ALLERT Pcyl transducer tube is incorrectly connected to Pi or Pe transducer 1 Check tubing connections 2 Replace pre...

Page 217: ...ns 2 Run EST 3 Replace controller PCB 7010 POST Safety valve failure 1 Check that safety valve ventilator head harness connection is secure 2 Check safety valve resistance 10 5 to 14 3 Replace safety...

Page 218: ...version compatible with software version 7031 POST Pressure solenoid PCB and ventilator software versions incompatible 1 Install ventilator software version compatible with PCB version 2 Replace pres...

Page 219: ...PCB 7050 POST Absolute inspiration pressure too low Replace pressure solenoid PCB 7051 POST Absolute inspiration pressure too high Replace pressure solenoid PCB 7052 POST Piston velocity too high 1 R...

Page 220: ...B 2 Replace controller PCB 7070 POST Main alarm speaker failure 1 Check wiring to speaker 2 Replace speaker 3 Replace pressure solenoid PCB 7071 POST An option panel erroneously appears to be installe...

Page 221: ...play PCB 2 Replace controller PCB 7086 POST UI display PCB 24V too high 1 Replace UI display PCB 2 Replace controller PCB 7087 POST UI display PCB 5V too low 1 Replace UI display PCB 2 Replace control...

Page 222: ...V too high Replace BBU PCB 7109 POST Temperature measured on BBU PCB too low 1 Make sure room temperature is not too low Make sure that ventilator has warmed up 2 Replace BBU PCB 3 Replace power suppl...

Page 223: ...eplace exhalation heater assembly 3 Replace exhalation thermistor assembly 4 Replace pressure solenoid PCB 7120 POST Exhalation limb temperature too high 1 Make sure room temperature is not too high 2...

Page 224: ...sensor 3 Replace pressure solenoid PCB 7128 POST Exhaled flow too high 1 Make sure exhaled gas temperature is stable 2 Replace flow sensor 3 Replace pressure solenoid PCB 7129 POST Oxygen supply pres...

Page 225: ...e solenoid PCB 3 Calibrate oxygen regulator pressure transducer 4 Replace oxygen regulator pressure transducer 5 Replace pressure solenoid PCB 6 Replace oxygen regulator assembly 7138 POST A VENT INOP...

Page 226: ...corrective actions 7157 POST BD POST failed See previous diagnostic codes in log for corrective actions 7158 POST BD microcontroller clock failure Replace controller PCB 7159 POST Failure to initializ...

Page 227: ...lace pressure solenoid PCB 2 Replace controller PCB 7175 POST Cylinder pressure too low 1 Make sure inspiratory filter is not blocked 2 Replace pressure solenoid PCB 7176 POST Cylinder pressure too hi...

Page 228: ...OST Motor controller chipset clock failure Replace controller PCB 7196 POST Failure to zero exhalation flow sensor pressure transducer 1 Make sure room temperature is not too low Make sure that ventil...

Page 229: ...ective actions 2 Run EST 3 Replace controller PCB 7217 POST VENT INOP signal is active 1 See previous diagnostic codes in log for corrective actions 2 Run EST 3 Replace controller PCB 7218 POST VENT I...

Page 230: ...ecks An out of bounds BBU PCB voltage caused the reset Replace BBU PCB 9004 Ongoing hardware checks Current to PEEP pump too low 1 Replace PEEP pump 2 Replace pressure solenoid PCB 9005 Ongoing hardwa...

Page 231: ...e solenoid PCB 9018 Ongoing hardware checks Safety valve current problem 1 Replace safety valve 2 Replace pressure solenoid PCB 9019 Ongoing hardware checks Safety valve current problem 1 Replace safe...

Page 232: ...ure solenoid PCB 9035 Ongoing hardware checks Internal ventilator temperature out of bounds 1 Make sure room temperature is within specifications Make sure ventilator has warmed up and Tbox attained a...

Page 233: ...nd alert error logs cleared in memory or data was transferred to NVRAM No corrective action required indicates that an error code location in NVRAM is now empty 9062 9069 Ongoing hardware checks NVRAM...

Page 234: ...ed state 1 See Section 6 2 2 Replace controller PCB 9080 Ongoing hardware checks Not Ventilating signal used in UI BD communications is not in expected state 1 See Section 6 2 2 Replace controller PCB...

Page 235: ...e oxygen source pressure is at least 40 psi 2 Calibrate oxygen regulator pressure transducer 3 Check for proper installation of oxygen regulator pressure transducer and connection of sensor to pressur...

Page 236: ...e checks Piston motion error 1 Check that end optoswitch ventilator head harness connection is secure 2 Replace controller PCB 9105 Ongoing hardware checks Piston motion error Replace controller PCB 9...

Page 237: ...PCB connectors 2 Replace pressure solenoid PCB 3 Replace controller PCB 9128 Ongoing hardware checks Not Ventilating signal used in UI BD communications is not in expected state Replace controller PCB...

Page 238: ...port is not blocked 4 Replace pressure solenoid PCB 9138 Ongoing hardware checks 24V to UI display PCB too low 1 Replace UI display PCB 2 Replace controller PCB 9139 Ongoing hardware checks 24V to UI...

Page 239: ...BBU PCB too low 1 Replace BBU PCB 2 Replace controller PCB 9155 Ongoing hardware checks 5V from BBU PCB too high 1 Replace BBU PCB 2 Replace controller PCB 9156 Ongoing hardware checks 5V to breath de...

Page 240: ...ressure solenoid PCB 9166 Ongoing hardware checks Atmospheric pressure measurement out of range 1 Make sure ventilator is operating within stated environmental specifications 2 Verify tube between ins...

Page 241: ...ilure 1 Replace NVRAM 2 Replace controller PCB 9181 Ongoing hardware checks The voltage used to identify the 740 760 user interface is out of range 1 Check all cable connections between the user inter...

Page 242: ...s were blocked correctly during testing 2 Replace pressure solenoid PCB 11002 SST EST Exhaled flow out of bounds 1 Make sure room temperature is within specifications Make sure that ventilator has war...

Page 243: ...r with rack Remesh as necessary 9 Replace optoswitches 11134 SST EST Software or motor encoder error 1 See Section 6 2 2 If piston cylinder was recently replaced make sure calibration constants were c...

Page 244: ...lation flow sensor pressure transducer 1 Replace exhalation flow sensor 2 Replace pressure solenoid PCB 11201 11202 Communications test Software error See Section 6 2 11203 Calibration Software error...

Page 245: ...Communications failure 1 Verify communications configuration on PC side 2 Check communications cabling 12011 Communications routines Communications failure 1 Verify communications configuration on PC...

Page 246: ...ing for user to confirm settings See Section 6 3 13018 Ventilator status SST failed and ventilator restarted with MENU key pressed down causing the ventilator to enter VENT INOP None required 13019 Ve...

Page 247: ...r declares a technical alert it not only displays a message but it also places an associated diagnostic code into the alert log Section 4 1 4 NOTE The highest priority active alarm always flashes on t...

Page 248: ...e the ventilator to be reset Table 7 2 Alarm messages When you see this message It means Do this ABNORMAL RESTART no diagnostic code logged High priority alarm The ventilator was reset typically due t...

Page 249: ...lue Alarm does not autoreset 1 Verify that tubes between flow sensor and pressure transducer are securely connected 2 Make sure EXHAUST port is not blocked 3 Check flow sensor calibration constants 4...

Page 250: ...oller PCB CONTACT SERVICE diagnostic code 6034 High priority alarm Technical alert Battery current high Autoreset when battery current within range 1 Replace appropriate battery 2 Replace BBU PCB 3 Re...

Page 251: ...TEMP diagnostic code 6017 High priority alarm Technical alert Inspiration manifold temperature too low Autoreset when temperature within range 1 Make sure room temperature is not too low Make sure th...

Page 252: ...ventilator head harness connection 7 Replace main fan 8 Replace air flow thermistor assembly NOTE Diagnostic code 6004 can be caused by a fan that draws no current or by insufficient air flow into th...

Page 253: ...tic code 6010 High priority alarm Technical alert Temperature inside ventilator enclosure too high Autoreset when temperature within range 1 Make sure room temperature is not too high 2 Make sure vent...

Page 254: ...C power restored 1 Restore AC power if possible 2 Check LEDs on BBU PCB to determine presence of voltages Replace BBU PCB power supply or power input component as required LOSS OF POWER diagnostic cod...

Page 255: ...appropriate LOW INSP PRESSURE and ventilator settings 2 Make sure air intake filter is not occluded 3 Check reasonableness of Pe reading using Sensor data menu while ventilation is occurring Perform...

Page 256: ...tting Autoreset after 30 seconds Pressing alarm reset key immediately disables the alarm and clears the autoreset and the alarm is not reannunciated unless the condition perists after you change setti...

Page 257: ...tory filters occluded Ventilator detects above normal difference between inspiratory and expiratory pressure transducers The ventilator enters occlusion cycling mode Autoreset when the ventilator no l...

Page 258: ...l alert Main alarm speaker failed and backup alarm sounds The ventilator continues to annunciate this alarm while the condition persists Alarm does not autoreset you must press alarm reset key 1 Check...

Page 259: ...operty damage To prevent patient injury do not use a ventilator if it requires repair To prevent personal injury or death do not attempt any ventilator service while a patient or other person is conne...

Page 260: ...components always follow ESD guidelines when servicing the ventilator Adhere to ESD control techniques when repairing ESD sensitive components Use only recommended tools test equipment and service ma...

Page 261: ...and pneumatic tubing To ensure proper reassembly note or label wire or tube positions before disconnecting parts When pulling silicone tubes off fittings pull gently while turning to avoid shredding...

Page 262: ...rocedures for use of static dissipative mat Place tools test equipment and the ESD sensitive device on the mat before starting repairs Conduct all work from the mat Never place nonconductive items for...

Page 263: ...verify that all pneumatic and electrical parts are properly connected and that all parts are properly installed Then with a light tug verify that connections are secure and that parts are securely at...

Page 264: ...ery and transport gas cylinders if equipped see Section 8 3 2 and Section 8 3 8 Next prepare the base by wiping with alcohol and insuring a smooth clean surface exists Next align the mat s and peel ad...

Page 265: ...8 1 Removing ventilator attachment screws from cart Figure 8 2 Removing ventilator from cart 7 00176 External lockwasher 2 PL Flat washer 2 PL M6 x 16 screw 2 PL Cart Ventilator Cart Ventilator 7 0017...

Page 266: ...ift out cylinders 2 Using 7 mm nutdriver remove four M4 nuts with captive lockwashers that retain each of two lower cylinder supports Remove supports 3 Using 5 mm hex driver remove two M6 x 16 screws...

Page 267: ...midifier support bracket See Figure 8 4 Using 4 mm hex driver remove two M5 screws flat washers and split ring washers that retain bracket to cart Remove bracket Install by reversing removal procedure...

Page 268: ...Figure 8 5 Removing Hudson RCI humidifier bracket assembly Figure 8 6 Removing basket 7 00180 M5 x 25 screw 4 PL Install on right side of cart M6 split ring washer 2 PL flat washer 2 PL M6 x 20 screw...

Page 269: ...external battery and cover from the ventilator as follows Install by reversing removal procedure 1 Disconnect battery from external battery connector at rear of ventilator 2 Loosen two captive thumbs...

Page 270: ...x driver remove M5 x 8 screw flat washer and split ring washer that attach shelf mount to ventilator Figure 8 8 2 While facing ventilator slide ventilator to your right until interlocking rails clear...

Page 271: ...ain support bracket to shelf mount plate Remove support bracket Install by reversing removal procedure 8 4 3 Removing installing humidifier support bracket See Figure 8 8 Remove two M5 x 10 flat head...

Page 272: ...M5 nut flat washer and internal lockwasher that retain ground wire Detach ground wire from lid 4 Unprop lid by loosening thumbscrew 5 Remove lid by pulling plunger on rear wall of cabinet assembly whi...

Page 273: ...tor System Service Manual 10070389 Rev A 8 15 Figure 8 10 Lid raised Figure 8 11 Propping the lid Screw Latch Plunger 7 00185 UI ground wire Latch retaining bracket Controller PCB UI ventilator head c...

Page 274: ...by reversing removal procedure 1 Open and prop lid Section 8 5 1 2 Using 1 16 in hex driver loosen setscrew in knob Remove knob 3 Using 11 mm nutdriver or wrench remove nut and internal lockwasher fr...

Page 275: ...the UI display PCB as follows Install by reversing removal procedure 1 Remove lid Section 8 5 2 2 Disconnect rotary encoder cable 3 Remove LCD panel Section 8 5 5 4 Disconnect UI and keyboard cables 5...

Page 276: ...y cause equipment failure Remove the LCD panel as follows Install by reversing removal procedure 1 Remove lid Section 8 5 2 2 Using 5 mm nutdriver remove four M2 5 nuts internal lockwashers and fiber...

Page 277: ...sembly UI display PCB to lid Figure 8 12 Lift out assembly 4 Separate keyboard assembly from UI display PCB a Using 7 mm nutdriver remove 12 M4 nuts and external lockwashers b Disconnect cables keyboa...

Page 278: ...0 with a suitable small brush to all connections between where the hose attaches and the male DISS fitting inlet If new bubbles form repair the leak Use a clean cloth to remove the leak detector NOTE...

Page 279: ...Service Manual 10070389 Rev A 8 21 8 6 2 Options panel plate See Figure 8 16 Remove options panel plate by removing seven M3 x 8 POZIDRIV screws with captive washers Install by reversing removal proce...

Page 280: ...ommunications option assembly as follows Install by reversing removal procedure 1 Open and prop the lid Section 8 5 1 2 Unscrew the seven M3 x 8 POZIDRIV screws from the Communications option panel Fi...

Page 281: ...ove the remote alarm harness as follows Install by reversing removal procedure 1 Remove the Communications option assembly and disconnect the ribbon cable Section 8 6 3 2 Disconnect the remote alarm h...

Page 282: ...plate 5 Push the harness and connector through the plate to remove 8 6 3 3 Nurse call central station harness and connector See Figure 8 19 and Figure 8 20 Remove the Communications option nurse call...

Page 283: ...ns option PCB assembly See Figure 8 21 Remove the Communications option PCB assembly as follows Install by reversing removal procedure 1 Remove the Communications option assembly and disconnect the ri...

Page 284: ...harness Section 8 6 3 2 and nurse call harness Section 8 6 3 3 from the option plate 3 Remove the RS 232 port nuts Section 8 6 3 4 from the option plate 4 Remove the PCB assembly from the option plat...

Page 285: ...r units and FRU kits G 062528 ship with this modification If replacing the air intake cover for the first time Covidien recommends replacing the air intake manifold also Remove cover Figure 8 22 then...

Page 286: ...oxygen fitting inspiration access panel and air intake manifold assembly as follows Install by reversing removal procedure 1 Open and prop lid Section 8 5 1 2 Remove oxygen adapter assembly if ventila...

Page 287: ...perimeter of inspiration access panel 9 Remove two M4 shoulder bolts that are above louver close to oxygen fitting grommet 10 Remove four M3 x 8 POZIDRIV screws with captive washers that attach air i...

Page 288: ...0 with a suitable small brush to all connections between where the hose attaches to the adapters and where the male DISS fitting attaches to the regulator body If new bubbles form repair the leak Use...

Page 289: ...etain block Remove block by lifting up and off two bottom screws Figure 8 26 Flex arm mounting block 8 6 9 Removing installing cabinet assembly 1 Remove all panels and components 2 Transfer mini suppo...

Page 290: ...en source Never lubricate the threads of the oxygen fitting NOTE Replace the oxygen regulator every 15 000 hours It is part of the 15 000 and 30 000 hour preventive maintenance kits If the monitored o...

Page 291: ...use a 3 mm hex key to loosen the two M3 x 25 screws on the grounding strap then remove the grounding strap from the regulator 6 To separate the oxygen solenoid assembly from the oxygen regulator use...

Page 292: ...ut manifold Inlet check valve and gasket will also come out Figure 8 29 Caution Be extremely careful to prevent debris of any kind from entering the cylinder while the check valve is off Debris can pe...

Page 293: ...abel supplied over existing OXYGEN MIXING SYSTEM section of Calibration Constants label on underside of ventilator lid When installing a new oxygen solenoid assembly transfer the existing oxygen press...

Page 294: ...integral harness disconnect the sensor harness from the ventilator head harness For oxygen sensors with a removable sensor harness disconnect the sensor harness from the top of the sensor 3 Remove the...

Page 295: ...ake sure it is fully seated After installing the oxygen sensor always perform an oxygen sensor calibration Section 4 2 3 2 2 Figure 8 31 Inspiration manifold assembly Figure 8 32 Oxygen sensor with an...

Page 296: ...enoids while power is applied 3 Disconnect safety valve solenoid from ventilator head harness 4 Using 2 5 mm hex driver remove four M3 x 8 screws and split ring washers that attach safety valve assemb...

Page 297: ...he check valve and gasket from falling out during installation try inclining the ventilator slightly Figure 8 33 Removing inspiration manifold assembly 8 9 Exhalation assembly 8 9 1 Exhalation assembl...

Page 298: ...er or thermistor assembly harness from ventilator head harness 3 Remove clip surrounding top of flow sensor assembly 4 Remove thermistor if applicable by pulling thermistor bead from clip The heater d...

Page 299: ...o product software revision M or later and the addition of insulating foam and two isolating washers All ventilators manufactured after April 2002 have this modification and the software installed For...

Page 300: ...to obtain maximum contact with exhalation valve metal housing Figure 8 37 Threading thermistor through flow sensor heater clip 8 9 3 Exhalation assembly See Figure 8 35 Remove the exhalation assembly...

Page 301: ...remove three M3 x 8 screws and split ring washers from cross tube Figure 8 36 4 Using 3 mm hex key remove three M4 x 12 screws and split ring washers from check valve housing Remove gasket then check...

Page 302: ...the exhalation flow sensor assembly as follows Install by reversing removal procedure 1 Remove exhalation assembly Section 8 9 2 2 Using 3 mm hex driver remove three M3 x 8 screws and split ring washe...

Page 303: ...r terminals 3 Remove four M3 x 12 POZIDRIV screws with captive washers from beneath speaker Figure 8 38 Lift out speaker NOTE When installing the speaker orient the terminals to the left The polarity...

Page 304: ...s Install by reversing removal procedure 1 Open and prop lid Section 8 5 1 2 Disconnect all tubes and harnesses from pressure solenoid PCB To avoid damaging the transducers take special care when remo...

Page 305: ...revision of PSOL PCB from label on front center of PCB refer to kit installation instructions p n 10002485 figure 7 a If PSOL revision is Rev A to J then you have a Rev A PSOL PCB b If revision says...

Page 306: ...nish sliding the battery out 7 Connect AC power to the ventilator and turn the power switch to the ON position An alarm will sound indicating the absence of the internal battery 8 Press the alarm rese...

Page 307: ...and lift off PCB 4 If you are installing a new controller PCB transfer software EPROMs erasable programmable read only memory U69 U70 U79 and U80 from existing PCB to new PCB Section 8 10 3 6 If NVRAM...

Page 308: ...controller PCB and update the new NVRAM with ventilator data following the procedure in Section 8 10 3 8 8 10 3 6 Removing installing software EPROMs See Figure 8 42 Remove the software EPROMs erasabl...

Page 309: ...and prop lid Section 8 5 1 2 Disconnect ventilator head harness from upper lefthand corner of pressure solenoid PCB 3 Using 5 mm nutdriver remove seven nuts and internal lockwashers that retain press...

Page 310: ...constants of the new pressure solenoid PCB into NVRAM using the Update prsol nvram function in the service menu Section 4 2 3 5 To ensure correct function of the pressure solenoid PCB you must perform...

Page 311: ...Service and repair Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 8 53 Figure 8 43 Removing and installing EPROMs 7 00204 7 00205...

Page 312: ...5 16 POZIDRIV screws and split ring washers that attach solenoid to cable management bar Remove solenoid NOTE When installing the autozero solenoids orient them with ports pointing upward 8 10 5 Cabl...

Page 313: ...pump to pump tray Remove pump NOTE After installing a new PEEP pump always perform a PEEP pump calibration Section 4 2 3 2 2 8 11 2 PEEP reservoir and filter See Figure 8 44 Remove the PEEP reservoir...

Page 314: ...entive maintenance kits 1 Open and prop lid Section 8 5 1 Caution To prevent equipment damage never disconnect any solenoids while power is applied 2 Disconnect solenoid harness from ventilator head h...

Page 315: ...re 8 45 Remove the optoswitches as follows Install by reversing removal procedure 1 Remove exhalation assembly Section 8 9 2 2 Remove options panel plate Section 8 6 2 3 Disconnect main ventilator hea...

Page 316: ...flat washer and split ring washer from back of ventilator just to left of fan Lift out piston cylinder assembly 9 Remove inspiration manifold assembly from piston cylinder assembly Section 8 8 4 step...

Page 317: ...ilator Figure 8 46 shows the piston cylinder assembly removed Before greasing rack manipulate piston so rack is in its fully extended position Use a clean lint free cloth to remove surface grease if a...

Page 318: ...enever you install the motor encoder to the piston cylinder you must mesh the motor s pinion gear with the rack To mesh the gear do the following 1 Make sure piston cylinder is removed from ventilator...

Page 319: ...otor into mesh with rack With hand force still applied push rack back and forth several times This will turn the rack until the rack teeth face and the pinion are aligned parallel Visually verify that...

Page 320: ...ng washers are pinched release meshing force NOTE At this point the screws should be tight enough that the motor would not free fall under its own weight when turned 90 degrees When the piston cylinde...

Page 321: ...ocedure gears still are not meshed properly inspect pinion gear for wear and replace motor encoder if necessary 8 Push rack from its set end stop at delivery end of piston cylinder to end stop at driv...

Page 322: ...Disconnect fan from ventilator head harness 3 Remove fan with fan guard by removing four M3 x 8 POZIDRIV screws with captive washers Pull out fan fan guard 4 Using 2 5 mm hex driver disassemble fan f...

Page 323: ...ice Manual 10070389 Rev A 8 65 Figure 8 52 Ventilator rear components Covers on 7 00195 Fan filter and cover Internal battery compartment cover Power assembly attaching hardware 8 PL Power assembly Co...

Page 324: ...cess to power cord loosen one M3 x 8 POZIDRIV screw with captive washers in slot of power cord retainer Figure 8 53 Swing retainer up Unplug power cord from line filter 8 14 2 Removing power assembly...

Page 325: ...necessary 1 Remove power assembly Section 8 14 2 2 Disconnect wires from line filter Figure 8 54 3 Remove two M3 x 8 flat head POZIDRIV screws that secure line filter Remove line filter NOTE When inst...

Page 326: ...ircuit breaker retainer Caution To prevent equipment damage always replace circuit breaker with correct 4A breaker P N G 060033 00 8 14 5 Power switch Remove the power switch as follows Install by rev...

Page 327: ...cedure 1 Remove power assembly Section 8 14 2 2 Open connector cover 3 Disconnect external battery connector harness from BBU PCB 4 Remove two M3 x 8 flat head POZIDRIV screws that attach harness to p...

Page 328: ...e 9 24 as necessary Caution To avoid damaging the ventilator ensure that the new power supply is labeled with the correct rating that is use power supplies labeled 120 VAC in 100 120 V regions only or...

Page 329: ...ect power switch BBU PCB harness from BBU PCB Figure 8 57 and power switch Figure 8 55 4 Disconnect power supply BBU PCB harness from BBU PCB Figure 8 57 5 Remove three screws and disconnect power swi...

Page 330: ...le NOTE Reinstall existing baffle on new power supply Failing to reinstall the baffle could hamper proper air circulation overheating power supply When connecting BBU PCB power supply harness to right...

Page 331: ...lows Install by reversing removal procedure 1 Remove power supply but do not remove baffle Section 8 14 7 2 Disconnect fan harness from BBU PCB 3 From beneath power assembly remove two M3 x 8 flathead...

Page 332: ...Remove two M3 x 12 flat head POZIDRIV screws that retain each heatsink bar full size bars at top and bottom of PCB plus mini FET heatsink bar Figure 8 62 Figure 8 62 Heatsink bars and conductive strip...

Page 333: ...ure 8 63 BBU PCB attaching hardware 8 14 9 1 Fuses Caution To prevent equipment damage always replace fuses with those of the correct rating and type see Chapter 9 See Figure 8 61 The BBU PCB has two...

Page 334: ...ve solenoid To oxygen solenoid assembly To exhalation solenoid To air intake filter switch To piezo alarm To cylinder pressure transducer autozero solenoid To BBU PCB To oxygen sensor To exhalation pr...

Page 335: ...le and or shown for reference Bullets in the Description column indicate level of indentation For example a part with a nonbulleted description includes all the subsequent single bulleted parts A part...

Page 336: ...nspiratory disposable D Flex inspiratory bacteria filter with 22 mm ISO connectors package of 12 4 G 060526 00 1 Filter expiratory disposable D X7 expiratory bacteria filter with 22 mm ISO connectors...

Page 337: ...ternal battery charger 220 240 V for India South Africa with detachable power cord old British style plug with round prongs not shown G 061505 00 1 External battery charger 220 240 V for Israel with d...

Page 338: ...Parts list 9 4 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 9 1 700 Series Ventilator System on older style cart 10 1 3 4 8 6 7 5 2 9 7 00018...

Page 339: ...y Description 1 4 001474 00 1 Hose assembly oxygen DISS female x DISS female for USA and Japan 2 G 061268 00 1 Hose assembly oxygen DISS female x DISS male for Canada not shown 3 G 061191 00 1 Hose as...

Page 340: ...A Puritan Bennett 700 Series Ventilator System Service Manual 9 4 Flex arm assembly Figure 9 3 Flex arm assembly Flex arm assembly parts list Item no Figure 9 3 Part no Quantity Description 4 032006 0...

Page 341: ...0 00 1 Cable assembly UI ventilator head 8 1 Cart assembly See Section 9 6 for parts breakdowns 9 2 Screw SOC M6 x 16 Attaches ventilator to cart not shown 10 G 061649 00 2 Washer flat M6 Attaches ven...

Page 342: ...ist 9 8 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 9 4 Ventilator major assemblies 2 3 7 1 12 2 PL 8 4 2 PL 5 2 PL 6 2 PL Front view 7 00302 Rear view 14 16 13 7...

Page 343: ...en cylinder 9 2 Support oxygen cylinder lower 10 2 Bracket oxygen cylinder upper 11 4 Screw wing M10 Attaches cylinder bracket to cylinder 12 4 Screw SOC M6 x 16 Attaches cylinder bracket to cart 13 G...

Page 344: ...5 Attaches humidifier support bracket to cart 36 1 Allen key 4 mm not shown 37 G 061228 00 Mounting kit Hudson RCI ConchaTherm 3 humidifier cart Mounts humidifier to cart 38 G 061603 00 1 Bracket asse...

Page 345: ...0 Series Ventilator System Service Manual 10070389 Rev A 9 11 48 G 062187 00 2 Caster back without brake 49 G 062186 00 2 Caster front with brake Cart assembly parts list continued Item no Figure 9 5...

Page 346: ...itan Bennett 700 Series Ventilator System Service Manual Figure 9 5 Cart assembly Sheet 1 of 3 12 4 PL 13 4 PL 14 4 PL 15 4 PL 10 2 PL 11 4 PL 2 1 8 46 2 PL 46 4 PL 7 00178 3 6 PL 4 6 PL 5 6 PL 9 2 PL...

Page 347: ...em Service Manual 10070389 Rev A 9 13 Figure 9 5 Cart assembly Sheet 2 of 3 33 2 PL 34 2 PL 35 2 PL 31 32 18 2 PL 19 2 PL 20 2 PL 16 17 Fisher Paykel Humidifier mounting 7 00179 24 4 PL 25 4 PL 26 4 P...

Page 348: ...70389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual Figure 9 5 Cart assembly Sheet 3 of 3 43 2 PL 42 4 PL 39 38 40 4 PL 41 4 PL Hudson RCI ConchaTherm 3 humidifier mounting 45 2 PL...

Page 349: ...4 Attaches collector vial bracket to plate 9 G 060996 00 2 Washer SR M4 Attaches collector vial bracket to plate 10 G 060980 00 1 Screw SOC M5 x 8 Attaches ventilator to shelf mount not shown 11 G 060...

Page 350: ...00 1 Bracket assembly slide Hudson RCI ConchaTherm 3 humidifier 24 G 061650 00 4 Screw FH M5 x 20 POZIDRIV Attaches Hudson RCI ConchaTherm 3 humidifier support bracket to plate Shelf mounting kit par...

Page 351: ...n G 061163 00 1 Keyboard 740 UI German not shown G 061164 00 1 Keyboard 740 UI Italian not shown G 061497 00 1 Keyboard 740 UI Japanese not shown G 061165 00 1 Keyboard 740 UI Polish not shown G 06114...

Page 352: ...0466 00 1 Gasket main outer 1900 mm 19 G 060128 00 1 Seal UI 20 G 061430 00 1 LCD panel European G 061142 00 1 LCD panel English Japanese G 061793 00 1 LCD panel Russian Polish 21 G 060907 00 4 Spacer...

Page 353: ...700 Series Ventilator System Service Manual 10070389 Rev A 9 19 Figure 9 7 User interface UI assembly 17 15 2 4 2 PL 5 2 PL 23 4 PL 24 4 PL 6 7 12 PL 8 12 PL 11 16 PL 20 1 18 3 2 PL 22 4 PL 7 00153 9...

Page 354: ...Plate inspiratory access panel Russian G 062311 00 Plate inspiratory access panel Japanese G 062312 00 Plate inspiratory access panel Dutch 5 G 060448 00 1 Plate battery compartment access 6 G 060473...

Page 355: ...5 1 Label kit Russian 740 Ventilator See Section 9 11 for contents not shown 10070997 1 Label kit Spanish 740 Ventilator See Section 9 11 for contents not shown 10071781 1 Label kit Dutch 740 Ventilat...

Page 356: ...0 1 Thermistor assembly air flow 33 G 060976 00 2 Screw SOC M3 x 8 Attaches air flow thermistor assembly 34 G 060995 00 2 Washer SR M3 Attaches air flow thermistor assembly 35 Inspiration manifold ass...

Page 357: ...ess not shown 50 G 061088 00 1 Tie wrap air intake Attaches BBU PCB controller PCB harness to upper righthand screw at rear of air intake housing not shown 51 G 061572 00 1 Switch air intake filter 52...

Page 358: ...700 Series Ventilator System Service Manual Figure 9 8 Ventilator head assembly Sheet 1 of 2 14 4 PL 5 Part of 1 17 2 PL 18 2 PL 4 6 Part of 1 21 22 4 PL 23 4 PL 11 9 PL 29 4 PL 42 2 41 24 7 00192 43...

Page 359: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 25 Figure 9 8 Ventilator head assembly Sheet 2 of 2 26 28 29 25 30 31 7 00264 36 32 2 PL 33 2 PL 34 25 7 00267...

Page 360: ...umber Manifold part number if required English G 062282 00 G 062026 00 French G 062283 00 G 062026 00 German G 062284 00 G 062026 00 Italian G 062285 00 G 062026 00 Spanish G 062286 00 G 062026 00 Por...

Page 361: ...ygen hose Air Liquide for France 6 G 061177 00 1 Adapter oxygen hose DISS male to 1 4 NPT for United Kingdom Australia 7 G 061199 00 1 Connector oxygen hose 1 4 NPT to NIST for United Kingdom 8 G 0611...

Page 362: ...ilator 10071781 Label kit Dutch 740 Ventilator 10071018 Label kit Dutch 760 Ventilator 10071783 Label kit English 760 Ventilator 10071008 Label kit French 760 Ventilator 10071001 Label kit German 760...

Page 363: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 29 Figure 9 10 Label kit 4 2 7 8 7 00304 3 1 9 10 7 00223 5 6 7 00306...

Page 364: ...3 G 061257 00 1 Safety valve assembly 4 G 060072 00 1 Seat safety valve not shown 5 G 060976 00 4 Screw SOC M3 x 8 Attaches safety valve 6 G 060995 00 4 Washer SR M3 Attaches safety valve 7 G 060095...

Page 365: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 31 Figure 9 11 Inspiration manifold assembly 11 10 5 4 PL 6 4 PL 14 7 00241 3 2 1 7 7 00235...

Page 366: ...mbly G 060217 00 10 5 cm Tube silicone 3 4 in ID x 1 in OD Part of tube kit P N G 061406 00 Section 9 21 for use with newer air intake manifold assembly G 062026 00 5 G 062293 00 1 Manifold assembly m...

Page 367: ...arts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 33 Figure 9 12 Oxygen regulator and oxygen solenoid assembly 6 4 PL 7 4 PL 1 3 7 00263 4 2 8 1 12 9 9 3 5 7 00224...

Page 368: ...r spring 8 G 060979 00 3 Screw SOC M4 x 12 Retains check valve 9 G 060996 00 3 Washer SR M4 Retains check valve 10 G 061693 00 1 Heater assembly exhalation 11 G 060210 00 1 Housing expiratory filter 1...

Page 369: ...st Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 35 Figure 9 13 Exhalation assembly 2 15 4 9 PL 5 9 PL 10 16 14 7 6 8 3 PL 9 3 PL 18 11 Part of 1 22 23 24 25 21 20 3 PL...

Page 370: ...G 062597 00 Foam and washer kit US English G 062598 00 Foam and washer kit French G 062599 00 Foam and washer kit Italian G 062600 00 Foam and washer kit German G 062601 00 Foam and washer kit Spanis...

Page 371: ...5 16 Attaches autozero solenoids 8 G 060996 00 4 Washer SR M4 Attaches autozero solenoids 9 G 060496 00 1 Speaker 10 G 061094 00 4 Screw PAN M3 x 12 POZIDRIV with captive washers Attaches speaker 11 N...

Page 372: ...wn See Figure 9 15 for component locations G 061404 00 1 EPROM kit Japanese not shown See Figure 9 15 for component locations G 061403 00 1 EPROM kit Polish not shown See Figure 9 15 for component loc...

Page 373: ...v A 9 39 Figure 9 14 Cable management bar PCBs speaker and piezo alarm 2 3 2 PL 14 6 2 PL 1 5 9 16 18 7 PL 10 4 PL 11 4 PL 12 4 PL 19 7 PL 20 7 PL 7 4 PL 8 4 PL 13 23 2 PL 21 2 PL 7 00112 Exhalation p...

Page 374: ...igure 9 15 Controller PCB component locations Figure 9 16 Pressure solenoid PCB component locations 22 15 U79 U80 U69 U70 7 00143 7 00141 Inspiration pressure transducer Cylinder pressure transducer E...

Page 375: ...7 1 Tube silicone 3 16 in ID x 3 8 in OD 13 0 cm Part of tube kit P N G 061408 00 Section 9 21 8 1 Tube silicone 3 16 in ID x 3 8 in OD 20 0 cm Part of tube kit P N G 061408 00 Section 9 21 9 4 01190...

Page 376: ...tor System Service Manual Figure 9 17 PEEP pump and reservoir 10 2 PL 11 2 PL 13 2 PL 14 2 PL 15 2 PL 16 2 PL 1 9 12 2 4 PL 3 4 PL 7 00100 Part of 4 8 5 6 6 7 To PEEP pump input From PEEP pump output...

Page 377: ...00 3 Washer SR M3 Attaches rack cover to piston cylinder 9 G 061202 00 1 Screw SOC M5 x 12 POZIDRIV Attaches piston cylinder to cabinet 10 G 060999 00 1 Washer flat M5 Attaches piston cylinder to cabi...

Page 378: ...Manual Figure 9 18 Piston cylinder and motor encoder assemblies Sheet 1 of 2 13 4 PL 14 4 PL 15 4 PL 17 8 PL 18 8 PL 7 2 PL 8 2 PL 2 6 16 2 PL 12 7 00035 Part of 1 3 4 5 2 PL 1 7 00034 Outlet check v...

Page 379: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 45 Figure 9 18 Piston cylinder and motor encoder assemblies Sheet 2 of 2 7 8 7 00308 9 10 11 7 00195...

Page 380: ...item 9 8 G 061263 00 1 Filter fan package of 6 9 G 060834 00 1 Fan guard assembly includes fan filter cover and fan guard 10 G 061122 00 4 Screw PAN M3 x 8 POZIDRIV with captive washers Attaches fan...

Page 381: ...ts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 47 Figure 9 19 Ventilator rear components 8 7 15 3 8 PL 16 2 4 5 4 PL 12 4 PL 13 4 PL 14 4 PL 9 1 10 4 PL 6 11 7 00...

Page 382: ...Attaches line filter not shown 11 G 061942 00 1 Power cord retainer kit 12 G 061122 00 1 Screw PAN M3 x 8 POZIDRIV with captive washers Attaches power cord retainer not shown 13 Not used 14 G 060444...

Page 383: ...028 00 1 Washer flat M4 Attaches line filter ground wire not shown 42 G 060445 00 1 Baffle power supply 43 G 060979 00 2 Screw SOC M4 x 12 Attaches baffle to power supply 44 G 060996 00 2 Washer SR M4...

Page 384: ...Series Ventilator System Service Manual 56 G 060829 00 1 Harness internal battery not shown 57 G 060846 00 1 Harness BBU PCB ventilator head 58 1 Label power switch Power assembly parts list continue...

Page 385: ...r System Service Manual 10070389 Rev A 9 51 Figure 9 20 Power assembly Sheet 1 of 2 9 43 44 2 PL 45 2 PL 48 2 PL 37 1 17 16 50 47 7 00216 8 38 7 11 3 3 PL 4 3 PL 2 2 PL 59 7 00126 9 15 47 5 26 6 PL 27...

Page 386: ...s Ventilator System Service Manual Figure 9 20 Power assembly Sheet 2 of 2 22 4 PL 23 4 PL 24 4 PL 21 19 20 2 PL 35 36 2 PL 31 2 PL 33 2 PL 25 49 2 PL 32 2 PL 28 6 PL 29 6 PL 30 6 PL 7 00238 14 25 30...

Page 387: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 53 Figure 9 21 BBU PCB component locations 26 27 7 00151...

Page 388: ...or North America Japan 2 G 061242 00 1 Power cord for Australia 3 G 061243 00 1 Power cord for continental Europe 4 G 061247 00 1 Power cord for India South Africa old British style plug with round pr...

Page 389: ...Parts list Puritan Bennett 700 Series Ventilator System Service Manual 10070389 Rev A 9 55 Figure 9 22 Power cords 1 2 3 4 5 6 7 8 9 7 00309...

Page 390: ...OD 9 16 0 cm Tube silicone 3 16 in ID x 3 8 in OD 10 40 0 cm Tube silicone 3 16 in ID x 3 8 in OD 11 G 061406 00 1 Tube kit silicone 3 4 in ID x 1 in OD 45 2 cm Can be cut to supply one each of the fo...

Page 391: ...on Thermistor Exhalation Inspiratory To patient Exhalation 3 9 2 19 18 20 PEEP Jet Filter 14 15 12 13 PEEP 7 16 check valve sensor regulator fitting intake filter manifold check valve regulator pressu...

Page 392: ...060846 00 1 Harness BBU PCB ventilator head 4 G 060514 00 1 Wire ground UI 5 G 060113 00 1 Harness external battery 6 G 060117 00 1 Harness power supply BBU PCB 7 G 060110 00 1 Harness circuit breake...

Page 393: ...B G 060514 00 To ventilator head G 060846 00 Grommet UI ventilator head cable assy G 060100 00 To BBU PCB J7 To controller PCB J4 J4 Rotary encoder To BBU PCB J5 Oxygen sensor Air flow thermistor Insp...

Page 394: ...0 G 060113 00 G 060829 00 GRN YEL POWER SUPPLY VIEW FROM REAR BLU GRN YEL BLU BLK BLU BRN RED BLU BRN Terminal J2 INT BAT J6 RED 1 RED 2 BLK 2 External battery INTERNAL BATTERY COMPARTMENT To motor en...

Page 395: ...t no Quantity Description G 061166 00 Kit preventive maintenance 15 000 hour 1 1 Filter fan 2 G 060129 00 1 Fan main 3 G 060131 00 1 Fan power supply 4 G 060090 00 1 Solenoid exhalation 5 G 062022 00...

Page 396: ...n G 061167 00 Kit preventive maintenance 30 000 hour 1 1 Filter fan 2 G 060129 00 1 Fan main 3 G 060131 00 1 Fan power supply 4 G 060090 00 1 Solenoid exhalation 5 G 062022 00 1 Regulator oxygen 6 G 0...

Page 397: ...013 00 1 Plate assembly Communications option 2 G 062015 00 1 PCB assembly Communications option 3 G 062014 00 1 Harness nebulizer 4 G 062016 00 1 Harness remote alarm 5 G 062017 00 1 Harness communic...

Page 398: ...9 64 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...

Page 399: ...gure 9 5 21 Figure 9 6 17 Allen key 4 mm Figure 9 5 36 Figure 9 6 18 Allen key 5 mm Figure 9 5 30 Figure 9 6 19 Back panel power supply G 060447 00 Figure 9 19 4 Baffle power supply G 060445 00 Figure...

Page 400: ...use with Hudson RCI ConchaTherm 3 humidifier G 061582 00 Figure 9 5 0 Caster back without brake G 062187 00 Figure 9 5 48 Caster front with brake G 062186 00 Figure 9 5 49 Check valve air intake blue...

Page 401: ...Figure 9 1 12 External battery charger 220 V for Australia with integral power cord G 061261 00 Figure 9 1 12 External battery charger 220 240 V for continental Europe with detachable power cord G 06...

Page 402: ...PCB G 060292 00 Figure 9 20 27 Fuse 15 A 32 V blade external battery G 061556 00 Figure 9 4 15 Gasket check valve G 060045 00 Figure 9 11 11 Figure 9 12 11 Figure 9 13 12 Figure 9 18 5 Gasket main ou...

Page 403: ...5 Housing expiratory filter G 060210 00 Figure 9 13 11 Humidifier kit Fisher Paykel MR730 G 061232 00 Figure 9 1 8 Inspiration manifold G 062162 00 Figure 9 11 1 Inspiration manifold assembly Figure 9...

Page 404: ...l back panel Figure 9 10 7 Label battery connection and potential equalization port Figure 9 20 47 Label circuit breaker Figure 9 20 38 Label circuit breaker Figure 9 10 9 Label external battery Figur...

Page 405: ...apanese G 061142 00 Figure 9 7 20 LCD panel European G 061430 00 Figure 9 7 20 LCD panel Russian Polish G 061793 00 Figure 9 7 20 Lid Figure 9 7 2 Lid assembly G 061427 00 Figure 9 7 1 Line filter G 0...

Page 406: ...M U6 G 061686 00 Figure 9 14 15 O ring exhalation valve G 060823 00 Figure 9 13 3 O ring oxygen hose Air Liquide for France Figure 9 9 4 Optoswitch motor opto assembly G 061255 00 Figure 9 18 16 Secti...

Page 407: ...r cord for Italy G 061245 00 Figure 9 22 6 Power cord for North America Japan G 061241 00 Figure 9 22 1 Power cord for Switzerland G 061246 00 Figure 9 22 7 Power cord for United Kingdom G 060135 00 F...

Page 408: ...with washers Attaches power cord retainer Figure 9 20 12 Screw PAN M3 x 12 POZIDRIV with washers Attaches battery compartment access plate G 061094 00 Figure 9 8 14 Figure 9 19 16 Screw PAN M3 x 12 PO...

Page 409: ...M5 x 12 Attaches exhalation assembly cover G 061202 00 Figure 9 13 22 Screw SOC M5 x 12 Attaches Fisher Paykel humidifier support bracket to cart Figure 9 5 33 Screw SOC M5 x 12 POZIDRIV Attaches pis...

Page 410: ...ygen adapters Figure 9 9 10 Tape PTFE Used on threads of oxygen fitting Figure 9 8 44 Tape PTFE Used on threads of oxygen fitting oxygen regulator pressure transducer and oxygen regulator extension Fi...

Page 411: ...your Covidien representative for ordering information Figure 9 1 2 Washer EX LK M4 Attaches ball bracket to cart Figure 9 5 26 Washer EX LK M6 Attaches column to base Figure 9 5 5 Washer EX LK M6 Att...

Page 412: ...13 Washer IN LK M2 5 Attaches LCD panel G 060992 00 Figure 9 7 22 Washer IN LK M4 Attaches keyboard to PCB G 060994 00 Figure 9 7 8 Washer IN LK M4 Attaches line filter ground wire Figure 9 20 41 Wash...

Page 413: ...R M4 Retains check valve Figure 9 13 9 Washer SR M5 Attaches humidifier support bracket to cart G 060997 00 Figure 9 5 35 Washer SR M5 Attaches motor encoder Figure 9 18 14 Washer SR M5 Attaches mount...

Page 414: ...A 16 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...

Page 415: ...22 mm ISO connectors package of 12 Figure 9 1 3 5 029059 00 Hose assembly oxygen Dr ger Figure 9 2 6 G 060031 00 Switch power Figure 9 20 7 G 060033 00 Circuit breaker Figure 9 20 8 G 060043 00 Inspir...

Page 416: ...ndard T type F6 BBU PCB Figure 9 20 27 G 060293 00 Fuse 10 A fast blow F type F1 BBU PCB Figure 9 20 26 G 060444 00 Power tray Figure 9 20 14 G 060445 00 Baffle power supply Figure 9 20 43 G 060446 00...

Page 417: ...dow Attaches LCD panel Figure 9 7 21 G 060918 00 Heat bar miniFET Figure 9 20 35 G 060921 00 Clip cross tube heater spring Figure 9 13 7 G 060922 00 Clip flow sensor heater spring Figure 9 13 16 G 060...

Page 418: ...26 Washer IN LK M4 Attaches keyboard to PCB Figure 9 7 8 Washer IN LK M4 Attaches line filter ground wire Figure 9 20 41 Washer IN LK M4 Attaches power input terminal ground wire Figure 9 20 56 G 0609...

Page 419: ...flat M5 Attaches piston cylinder to cabinet Figure 9 18 10 Washer flat M5 Attaches plate to bracket Figure 9 6 4 Washer flat M5 Attaches ventilator to shelf mount Figure 9 6 11 G 061017 00 Washer SR...

Page 420: ...assembly Figure 9 19 3 Screw PAN M3 x 12 POZIDRIV with captive washers Attaches speaker Figure 9 14 10 G 061096 00 Cable tie small Attaches exhalation solenoid harness and PEEP pump harness ventilato...

Page 421: ...0 UI Polish Figure 9 7 10 G 061166 00 Kit preventive maintenance 15 000 hour Figure 9 25 G 061167 00 Kit preventive maintenance 30 000 hour Figure 9 26 G 061176 00 Cover external battery Figure 9 4 16...

Page 422: ...3 13 G 061255 00 Optoswitch motor opto assembly Figure 9 18 16 G 061257 00 Safety valve assembly Figure 9 11 3 G 061260 00 External battery charger 110 V for North America Japan with integral power co...

Page 423: ...9 14 19 G 061427 00 Lid assembly Figure 9 7 1 G 061430 00 LCD panel LCD panel European Figure 9 7 20 G 061431 00 Reservoir assembly PEEP Figure 9 17 4 G 061441 00 Tube adult 15 cm Connects collector...

Page 424: ...idifier bracket assembly to cart Figure 9 5 43 G 061649 00 Washer flat M6 Attaches assembled ventilator mount to shelf Figure 9 6 14 Washer flat M6 Attaches column to base Figure 9 5 4 Washer flat M6...

Page 425: ...40 to 760 Ventilator Polish Section 9 27 2 G 062159 00 Kit upgrade 740 to 760 Ventilator Russian Section 9 27 2 G 062160 00 Kit upgrade 740 to 760 Ventilator Japanese Section 9 27 2 G 062161 00 Cover...

Page 426: ...ation access panel Figure 9 8 19 G 062293 00 Manifold assembly mixing Figure 9 12 5 G 062297 00 Grommet and shoulder bolt kit includes 2 each inspiration access panel G 062301 00 Grommet kit inspirati...

Page 427: ...SET key description 1 31 ALARM SETTINGS display 1 29 ALARM SILENCE key description 1 31 Alarm volume specifications 1 7 Alert log clearing 4 20 description 4 4 format 4 23 reviewing 4 23 Alert technic...

Page 428: ...breathing description 2 26 specifications 1 6 Cleaning accessories See Operator s Manual repair related 8 3 Clear alert log function 4 20 CLEAR key description 1 26 Clear test log function 4 20 Codes...

Page 429: ...2 8 43 service repair 8 39 8 44 Exhalation check valve description 2 28 removing installing 8 43 8 44 Exhalation flow sensor assembly description 2 29 removing installing 8 44 Exhalation flow sensor p...

Page 430: ...eneral information 1 1 1 32 Graph pressure bar display description 1 29 Graph volume bar display description 1 30 Greasing rack 8 59 Ground resistance check 5 5 Ground resistance specifications 1 6 H...

Page 431: ...ns vii viii Languages ventilator configurations 1 8 LCD display message window description 1 27 LCD panel message window description 2 55 photograph 2 57 removing installing 8 18 Leakage current check...

Page 432: ...embly leak testing 8 30 parts list 9 27 removing installing 8 20 Oxygen cylinder brackets removing installing 8 8 Oxygen cylinder covers removing 8 9 Oxygen fitting description 2 10 removing installin...

Page 433: ...4 14 PEEP reservoir assembly description 2 32 parts list 9 41 9 42 removing installing 8 55 8 56 PEEP CPAP exhalation solenoid description 2 22 removing installing 8 56 PEEP CPAP key description 1 24...

Page 434: ...1 removing installing 8 35 8 36 Pressure choosing units for display of 4 24 Pressure controlled ventilation PCV settings 1 23 1 24 Preventive maintenance resetting hours until next 4 21 schedule 1 18...

Page 435: ...15 9 16 removing installing 8 12 8 13 removing installing collector vial support bracket 8 13 removing installing humidifier support bracket 8 13 service and repair 8 12 Short self test SST See also...

Page 436: ...2 62 2 63 occlusion cycling mode 2 79 overview 2 1 2 2 piston initialization 2 66 pneumatic system 2 3 2 33 power source switchover 2 77 2 78 safety valve open SVO 2 81 2 82 ventilator inoperative VE...

Page 437: ...6 1 Ventilator settings limitations 1 22 mandatory PCV 1 23 1 24 mandatory VCV 1 23 mode breath type 1 22 spontaneous PSV 1 24 VENTILATOR SETTINGS section of keyboard key and indicator descriptions 1...

Page 438: ...12 10070389 Rev A Puritan Bennett 700 Series Ventilator System Service Manual This page intentionally blank...

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