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Cardiac Stress Treadmills Service Manual

Preface iii

Preface

This manual contains information for servicing and repairing the Cardiac

Stress treadmills, models TM55/TM65 and ST55/ST65, to the module

level. The manual covers both domestic and international versions of the

treadmills, which can differ in voltage and mandatory emergency stop

button.

This manual is designed for authorized service personnel with proper

training. There are no user-serviceable parts in the treadmills. Any

attempt by non-authorized personnel to service the treadmill may void the

warranty. For service information in the USA, call 800-426-0337. Users

located outside the USA should contact their dealer.

Before servicing the treadmill, read the safety requirements listed in

Appendix A.

♦

Use this manual only when servicing Cardiac Stress treadmills. Do not use
if for other treadmills.

Содержание ST 55

Страница 1: ...Cardiac Stress Treadmills Service Manual P N 042099 001 Rev A ...

Страница 2: ... Trademarks Quinton Burdick Q Stress and Quest are trademarks or registered trademarks of Quinton Cardiology Inc All other product and company names are trademarks or registered trademarks of their respective companies 1996 1997 2002 2004 Quinton Cardiology Inc All rights reserved Cardiac Stress Treadmills Service Manual Publication No 042099 001 Rev A October 2004 Quinton Cardiology Inc 3303 Mont...

Страница 3: ...rgency stop button This manual is designed for authorized service personnel with proper training There are no user serviceable parts in the treadmills Any attempt by non authorized personnel to service the treadmill may void the warranty For service information in the USA call 800 426 0337 Users located outside the USA should contact their dealer Before servicing the treadmill read the safety requ...

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Страница 5: ... 1 Stress Monitor to Treadmill Interface 2 1 Headframe Assembly 2 2 Input Power Module 2 2 Drive Board 2 2 Transformer Assembly 2 2 Drive Motor Assembly 2 2 Grade Motor Assembly and System 2 2 Deck and Roller Assembly 2 3 Troubleshooting Diagnosis 3 1 Tools 3 1 Electrical Problems 3 2 Treadmill Does Not Start 3 2 Electronic Problems 3 3 Error Codes 3 3 Mechanical Problems 3 3 Walking belt 3 3 Driv...

Страница 6: ...e Pot Wires 4 14 Removing the Rack Gears 4 15 Reassembling the Rack Gears 4 16 Replacing a Jammed Rack Gear 4 17 Replacing the Pinion Shaft 4 18 Adjusting the Grade Limit Switches 4 20 Walking Deck Assembly 4 21 Replacing Rollers 4 21 Removing the Deck Assembly from Headframe 4 22 Replacing the Walking Belt 4 22 Removing the Deck 4 23 Adjusting the Walking Belt 4 23 Belt Tension 4 23 Method 1 Usin...

Страница 7: ...ation Tables A 3 Specifications Cardiac Stress Treadmills Specifications B 1 Power Requirements B 2 Speed Vs Weight Range B 2 Part Numbers Final Assemblies C 1 Spares C 1 Placement of Spare Parts C 3 Treadmill Part Number Configuration C 9 Symbol Definitions Symbol Definitions D 1 Drawings Wiring Diagrams E 1 Wiring Diagram Low Voltage Treadmill E 3 Wiring Diagram High Voltage Treadmill E 4 Index ...

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Страница 9: ...stress treadmill models are available the TM55 TM65 used with the Quinton Q Stress Cardiac Stress system and the Burdick Quest Exercise Stress system and the ST55 ST65 used with other Quinton stress systems such as the Q 4500 and the Q710 The cardiac stress treadmill comes in two voltage ranges 100 120 VAC low voltage unit and 200 230 VAC high voltage unit High voltage units have a detachable powe...

Страница 10: ...urn off the circuit breaker on the treadmill before connecting to or disconnecting from the power source Emergency Stop Button The treadmill may have an emergency stop button located on the front handrail the button is optional on non CE marked units When pressed the button cuts power to both the belt motor and the grade motor The stop button is intended only for an emergency situation Indicators ...

Страница 11: ...om the stress monitor The assembly includes the drive and grade systems and the electronics that drive these systems A three phase AC motor drives the walking belt A DC motor moves the front of the treadmill up or down to simulate hills The drive motor supplies torque and speed to the drive pulley through a drive belt Deck and Roller Assembly The deck and roller assembly is attached to the headfra...

Страница 12: ... to the drive motor determines the drive motor rotational speed The motor current draw is a function of the torque load placed on the motor through the deck assembly by the user The drive board on the AC Drive Module also uses AC power to generate a half wave rectified signal used to drive the grade motor Two solid state relays drive the grade motor one in the direction of increasing grade the oth...

Страница 13: ... The deck and roller assembly provides the running surface for the user This surface consists of a movable and flexible walking belt supported by a semi rigid platform This platform is supported by a steel welded frame A poly V drive belt coupled through a pulley to the drive motor drives the front roller The front roller uses friction to drive the walking belt A rear roller acting as an idler pul...

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Страница 15: ...lems Noise Vibration Grade Speed Belts Use the tables and flow charts on the following pages to diagnose problems See Chapter 4 for repair and replacement procedures Tools The following tools may be required Phillips and flatblade screwdrivers inch hex wrench Mechanical stethoscope Digital multi meter Warning High voltage is present under the hood when the treadmill is plugged into a power source ...

Страница 16: ...ting for the treadmill 2 Verify that the power cord is not damaged 3 Replace the configuration plate faulty in rush limiter Power to the stress monitor not on Turn on power to stress monitor Power cord damaged Remove cord from outlet and replace Fuse in treadmill blown If any of the transformer primary fuses F1 or F2 are blown 1 Check the primary transformer windings for continuity Should be 2 ohm...

Страница 17: ...vides a diagnostic summary of bearing noises along with other noises that may indicate problems Problem Action Walking belt slipping Adjust walking belt tension see Belt Tension on page 4 23 Walking belt not tracking Adjust tracking see Walking Belt Tracking on page 4 24 Walking belt worn out Replace walking belt see Replacing the Walking Belt on page 4 22 Symptom Possible Cause Action Squealing s...

Страница 18: ...are several bearings to determine which is the faulty one Error Flow Charts Use the flow charts on the following pages for step by step troubleshooting Squealing similar to loose automobile fan belt Drive belt loose Adjust belt tension Replace belt if necessary Popping during grade change Faulty elevation chain alignment Adjust alignment of sprockets Noise Possible Cause Action Error Code Flow Cha...

Страница 19: ...Cardiac Stress Treadmills Service Manual Troubleshooting 3 5 Bus Voltage Flow Chart Error Code Flow Chart EPHI and EPLO ...

Страница 20: ...3 6 Troubleshooting Cardiac Stress Treadmills Service Manual Grade Error Flow Chart Error Code Flow Chart E201 ...

Страница 21: ...rvice Manual Troubleshooting 3 7 Drive Motor Flow Chart Error Code Flow Chart E203 Troubleshooting chart for all drive motor related error codes and failures Source power and power to drive board on the AC Drive Module established ...

Страница 22: ...3 8 Troubleshooting Cardiac Stress Treadmills Service Manual Communications Link Flow Chart Error Code Flow Chart E204 ...

Страница 23: ...Cardiac Stress Treadmills Service Manual Troubleshooting 3 9 Grade Problems Flow Chart ...

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Страница 25: ...ent high voltage electrical shock Turn off the treadmill circuit breaker then unplug the treadmill and stress monitor power cords every time you remove the hood Before working on or around any electrical or mechanical component under the hood wait at least two minutes from the time you unplug the power cord and be sure the red LEDs on the drive board on the AC Drive Module are off The power contro...

Страница 26: ... the treadmill is dropped Lifting the treadmill requires at least two people When removing the grade motor and chain block the treadmill headframe so that the deck will not drop to the floor causing injury and damage Tools Phillips and flat blade screwdrivers Hex wrenches 5 32 in 9 16 in 7 16 in 1 2 in 5 16 in 11 32 in nut driver Heyco strain relief pliers for replacing power cord low voltage unit...

Страница 27: ...le if present from the configuration plate and remove the power cord retainer bracket 3 Disconnect the stress monitor system cable from the treadmill 4 Use a flathead screwdriver to remove the metal cap on each handrail near the front of the hood Use a 3 16 in hex wrench to loosen the hex head socket screw inside 5 Pull the handrail up and out If necessary first use a screwdriver to pry the seals ...

Страница 28: ...d on page 4 3 2 Remove the two 20 screws that attach the power cord ground wires to the headframe The screws are located in the center of the headframe protective ground is represented by the ground symbol shown to the left Be sure to rewire correctly 3 Cut the plastic ties and remove the configuration plate connections Remove the communication cable Note the wire colors and connection points 4 Re...

Страница 29: ...4 3 Detachable Cords on High Voltage Units Unplug the power cord from the connector on the configuration plate and plug in the new cord Replacing the AC Drive Module The AC Drive Module with treadmill drive board must be replaced as a unit 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 Warning To prevent high voltage electrical shock Before working on...

Страница 30: ...and return it to with an authorized return number to authorized technical support 14 Reassemble using steps 2 through 13 in reverse order 15 If no other service is required replace the treadmill hood as described in step 9 on page 4 3 Bus Recovery System BRS The Bus Recovery System BRS uses a bleeder resistor to protect the treadmill from high voltage damage when the treadmill is used at high grad...

Страница 31: ... need to be replaced if the poly V drive belt slips if the idler pulley bearing makes noise or if the tensioner roller is damaged Warning Do not attempt to disassemble the tensioner The internal springs are tightly compressed and could cause injury if released 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 2 Use a 9 16 in open end wrench to remove the...

Страница 32: ... marks are lined up 3 Loosen the drive belt tensioner by turning the mounting bolt counter clockwise then pivot the tensioner away from the belt 4 Remove the drive belt from the drive pulley 5 Loosen the roller guard screws 6 Loosen tension on the walking belt as described in Belt Tension on page 4 23 7 Use a inch socket wrench to remove the end caps from the siderails 8 Remove the plastic insert ...

Страница 33: ...step 9 on page 4 3 Replacing the Drive Motor Replace the drive motor when the motor is inoperative see Drive Motor flow chart on page 3 7 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 2 Release the drive belt tensioner and remove the poly V belt from the motor drive pulley as previously described on page 4 8 3 Cut the wire ties that hold the drive mo...

Страница 34: ...f the front roller drive pulley to align the outside face of the motor drive pulley to within 0 020 inch Tighten the setscrews 10 Replace the poly drive V belt as previously described on page 4 8 11 If no other service is required replace the treadmill hood as described in step 9 on page 4 3 Replacing the Transformer 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood...

Страница 35: ...d as described in step 9 on page 4 3 Replacing the Grade Motor Place a clean sheet of cardboard or a clean rag on the treadmill deck before starting this procedure Do not elevate the treadmill 1 Block the treadmill headframe securely with wooden blocks to ensure that the treadmill will not drop when you remove the grade motor 2 Remove the treadmill hood and power as described in Removing the Tread...

Страница 36: ...procket with the pinion shaft chain sprocket 8 Restore power to the treadmill and stress monitor and test the new grade motor Warning High voltage is present when the treadmill is plugged into a power source Secure loose hair clothing and jewelry before working near rotating machinery Verify that a the treadmill operates over the full range of 0 25 grade b there is no binding when it moves up or d...

Страница 37: ... aligning it correctly on the sprockets 5 Replace the master link 6 Secure the C Clip on the master link 7 If no other service is required replace the treadmill hood as described in step 9 on page 4 3 Replacing the Grade Potentiometer Pot 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 Use caution throughout the following steps 2 Remove the two screws ...

Страница 38: ...revent damage don t mesh the gears too tightly Leave enough clearance for each gear c Be sure to leave the setscrew accessible and loose d See Grade Pot Wires below 9 Calibrate the grade pot as described on page 4 26 Grade Pot Wires At the end of each grade pot wire is a pin with a small metal flange The flange has a corresponding slot on the connector housing 1 Insert each pin into the connector ...

Страница 39: ...t of the headframe onto 6 inch wooden blocks to take the weight off the wheels 3 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 If the rack gear is jammed no play in it replace as described on page 4 17 4 Restore power to the treadmill connect it to the stress monitor system and decrease the grade until the wheels are approximately half inch above the f...

Страница 40: ...ease grade until rack gears start bouncing on the pinion shaft Hold the limit switches closed to let the rack gear travel beyond its normal range 9 Turn off and unplug the treadmill 10 Lift rack gears straight out top Reassembling the Rack Gears Install new rack gears at the same time so that they extend an equal distance through the headframe 1 Restore power to the treadmill 2 Loosen the setscrew...

Страница 41: ...Remove the blocks that support the headframe 12 Reinstall the grade pot bracket and assembly 13 Calibrate the grade potentiometer as described on page 4 26 14 If no other service is required turn the treadmill power off remove the power cord from the outlet and replace the treadmill hood as described in step 9 on page 4 3 Replacing a Jammed Rack Gear 1 Remove the treadmill hood and power as descri...

Страница 42: ...bly and poly V drive belt 13 Restore power and decrease the grade to run the other rack gear out the top 14 Reassemble the rack gear as described on page 4 16 15 Calibrate the grade potentiometer as described on page 4 26 16 Test the treadmill grade Verify that a it operates over the full range of 0 25 b there is no binding when it moves up or down c the chain is aligned correctly A popping sound ...

Страница 43: ...ing the pinion shaft 9 Replace the handrail support bracket 10 Use a straight edge to align the grade sprocket and grade motor sprocket then tighten the setscrew 11 Replace the grade motor chain as previously described 12 Reassemble the deck assembly and poly V drive belt 13 Reassemble the rack gear 14 Calibrate the grade potentiometer see Calibration Procedures on page 4 26 15 Test the treadmill ...

Страница 44: ...f the rack gear is changed 1 Remove the treadmill hood and power as described in Removing the Treadmill Hood on page 4 3 2 Loosen but do not remove the two Phillips screws that secure each grade limit switch to its bracket 3 Pivot the switch on the upper screw towards then away from the rack gear You should hear a click as the switch opens or closes 4 Set the switch wheel on a flat part of the rac...

Страница 45: ...e walking platform 6 Remove the siderail insert from one side of the deck then loosen the two setscrews that hold the siderail covers to the siderails 7 Slide the siderail cover back 10 inches 8 Remove the four inch hex bolts two on each side that hold the two front roller retainers to the siderail 9 Slide the front roller up and out from the walking belt Front Drive Roller Deck Fasteners 10 32 x ...

Страница 46: ...remove only the left siderail bolts and cover The belt slides on and off Mark the location of the rail to the headframe before removing the bolts 3 Remove the drive pulley bottom cover a Remove the two screws holding the cover to the headframe b Remove the two hex nuts holding the cover to the deck frame 4 Use a wrench to remove the four bolts holding the deck frame to the headframe 5 Slide the wa...

Страница 47: ... Adjust as necessary Adjusting the Walking Belt Belt Tension Adjust the walking belt tension whenever the belt slips or moves unsteadily during operation after installing a new walking belt each time you remove or replace the walking belt or deck Two adjustment methods are specified Method 1 is preferred but two belt tension calipers are required Both adjustment screws must be completely slack bef...

Страница 48: ...ces of masking tape or two light pencil marks on the right edge of the belt exactly 50 000 inches apart 3 Repeat step 2 on the left edge of the belt 4 Alternately turn the left and right adjustment screws one half turn until the distance between the tape or pencil marks is 50 13 64 inches 1 64 on both sides Caution Do not overtighten the adjustment screws Overtightening may damage the walking belt...

Страница 49: ...hen the gap between the roller and the guard exceeds 3 8 in 9 5 mm 1 Loosen but do not remove the two screws attaching the rear roller guard to the deck hold the nuts on the underside of the deck frame with your finger 2 Slide the rear roller guard towards the rear roller until the gap between the two is approximately 3 16 inch 3 Tighten the mounting screws loosened in step 1 Caution Do not let an...

Страница 50: ...ef located at the elbow of the handrail grab the cable where it extends from the rail and pull it out 6 Disconnect the cable from the configuration plate 7 Place a strain relief on the handrail then pass the new cable through it directing it up through the hole in the handrail 8 Attach the cable wires to the emergency switch the wires are interchangeable 9 Replace the switchbox cover and the handr...

Страница 51: ...rews loosened in step 5 Caution To prevent damage when replacing the bracket don t mesh gears too tightly Leave 1 16 in clearance for each gear 8 Verify that the treadmill operates through its full grade range 0 25 and that the treadmill is nearly all the way to the top of the rack gear when the display reads 25 9 Turn off the power and disconnect the power cord from the power outlet 10 Unplug the...

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Страница 53: ...t when it is started Recommended Service Routine service is necessary every six 6 months When service is required repairs can be done to the modular level Routine Maintenance Visual Inspection Inspect the treadmill power cord for wear Inspect all connector cables and the power receptacle Check for worn or damaged plastic coverings frayed or broken wires cracked connections and other signs of damag...

Страница 54: ...ded to cool the unit and dissipate heat from the drive motor and drive board on the AC Drive Module To prevent damage to components periodically vacuum the mechanical drive and the area behind the AC Drive Module Frequency Treadmill use and environment determine how much dust accumulates and how frequently you need to vacuum the components Inspect the internal components at least every six months ...

Страница 55: ...ening 4 Replace the hood Replacement Schedules Belts should be replaced if they are frayed or show excessive wear Electrical Testing Electrical testing is to be done by the facility s biomedical department as required Check the leakage current of the treadmill periodically at least every nine months to be sure it does not exceed local standards See Appendix B Specifications for limitations ...

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Страница 57: ... for use with the monitoring system be certain the summation leakage current does not exceed local or provincial standards The treadmill must be on an appropriate dedicated electrical circuit with a power rating that meets the electrical specification on the treadmill serial number label Nothing else should be connected to the circuit To avoid potential safety and electrical problems use parts and...

Страница 58: ...rly Failure to follow these guidelines can produce a serious or possibly fatal electrical shock hazard Consult a qualified electrician as required Do not start the treadmill when someone is standing on the belt Keep speed and grade at the lowest settings when getting on and off the treadmill belt Never place chairs or other objects on treadmills Keep the area underneath and around the treadmill cl...

Страница 59: ...the Cardiac Stress Treadmills should assure that they are used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The Cardiac Stress Treadmills use RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR 11 Class A ...

Страница 60: ...fferential mode 2 kV common mode 1 kV differential mode 2 kV common mode Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycle 70 UT 30 dip in UT for25 cycle 5 UT 95 dip in UT for 5 sec 5 UT 95 dip in UT for 0...

Страница 61: ...rmined by an electromagnetic site surveya should be less than the compliance level in each frequency rangeb Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures ob...

Страница 62: ...maximum output power of transmitter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2 5 GHz 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to ...

Страница 63: ...mph 1 3 to 15 4 km h 0 2 mph Grade Range 0 to 25 0 5 Physical Weight ST TM55 352 lb 160 kg ST TM65 375 lb 170 kg Nominal Walking Area ST TM55 20 in x 55 in 51 cm x 140 cm ST TM65 20 in x 65 in 51 cm x 165 cm Treadmill Area ST TM55 29 9 in x 80 2 in 76 cm x 204 cm ST TM65 29 9 in x 90 2 in 76 cm x 229 cm Walking Surface Height 7 0 in 18 cm from floor Handrail Height 47 2 in 120 cm from floor Enviro...

Страница 64: ... the hood under the circuit breaker switch Full load current is computed as described in section 430 24 of the National Electrical Code Speed Vs Weight Range Nominal Voltage Range min max Hertz Current Draw Amps Min Branch Circuit Amps 100 120 V 50 60 Hz 20 20 200 240 V 50 60 Hz 10 10 100 200 300 400 500 1 6 9 6 8 0 6 4 4 8 3 2 User Weight Pounds Speed mph Performance Envelope 115V or 230V Operati...

Страница 65: ... Strain Relief Connector Lock Power Cord Low Voltage Treadmill High Voltage Treadmill 001227 011 031453 011 Configuration Plate Assembly Low Voltage Low Voltage With Emergency Stop Button High Voltage High Voltage With Emergency Stop Button 037083 001 037083 002 037083 003 037083 004 AC Drive Module 042153 001 BUS Recovery System Assembly Harness 033167 001 DRIVE Drive Motor Assembly 037098 001 Fl...

Страница 66: ...10 002 Bumper 031194 002 End Cap Rear Left 032641 001 End Cap Rear Right 032640 001 Side Handrail Kit Short TM55 032758 001 Side Handrail Kit Short TM65 032758 002 Side Handrail Kit Long TM55 032759 001 Side Handrail Kit Long TM65 032759 002 Side Handrail Cover Short 036734 001 Side Handrail Cover Long 036734 002 Front Handrail Cover for units with emergency stop button 036734 003 Front Handrail C...

Страница 67: ...ION 55 TREADMILL 7 032752 002 PLASTIC EXTRUSION 65 TREADMILL 8 032804 004 INSERT PLASTIC EXTRUSION BLUE 9 033507 003 DRIVE ROLLER ASSY 10 032387 001 POLY V DRIVE BELT 11 032784 001 ASSY ROTARY TENSIONER PULLEY AND ARM 12 031194 002 BUMPER GRAY 13 037083 001 ASSY CONFIG PLATE LOW VOLTAGE 13 037083 002 ASSY CONFIG PLATE LOW VOLTAGE E STOP 13 037083 003 ASSY CONFIG PLATE HIGH VOLTAGE 13 037083 004 AS...

Страница 68: ...INK KIT 26 019082 001 SWITCH SNAP ACTION 27 033502 002 WHEEL 4 BALL ROLLER BEARING 28 032362 002 HOOD ASSEMBLY No labels 29 037080 001 EMERGENY SHUTOFF SWITCH FIELD INSTALLATION KIT 30 036734 001 HANDGRIP VINYL BLUE 30 036734 003 HANDGRIP VINYL BLUE W E STOP 31 032978 001 HANDRAIL ITEM Part Number Description ...

Страница 69: ...Cardiac Stress Treadmills Service Manual PartNumbers C 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 22 ...

Страница 70: ...C 6 Part Numbers Cardiac Stress Treadmills Service Manual 24 15 25 14 18 21 19 10 11 16 23 17 20 13 ...

Страница 71: ...Cardiac Stress Treadmills Service Manual PartNumbers C 7 27 26 27 13 18 15 26 ...

Страница 72: ...C 8 Part Numbers Cardiac Stress Treadmills Service Manual 30 29 31 28 ...

Страница 73: ...admills Service Manual PartNumbers C 9 Treadmill Part Number Configuration Rules ST models are not available as a Burdick branded treadmill CE units will always have the E Stop CE units are available only in High Voltage ...

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Страница 75: ...reliability of the protective earth connection when present On power connected to mains Type BF equipment contains an F type isolated patient applied part providing a high degree of protection against electric shock Alternating current Type BF equipment with defibrillation protection High voltage Type CF equipment contains an F type isolated patient applied part and provides a degree of protection...

Страница 76: ...eadmills Service Manual Decreases grade of treadmill walking belt Increases grade of treadmill walking belt Speeds up treadmill walking belt Slows treadmill walking belt Warning T Timed fuse slo blo Hz Hertz V Volts A Amperes VA Volt Amperes ...

Страница 77: ... Drawings E 1 E Drawings Wiring Diagrams These wiring diagrams for both the low voltage and high voltage treadmill models are shown as follows Wiring Diagram Low Voltage Treadmill on page E 3 Wiring Diagram High Voltage Treadmill on page E 4 ...

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Страница 79: ...Cardiac Stress Treadmills Service Manual Drawings Drawings E 3 Drawings E Wiring Diagram Low Voltage Treadmill ...

Страница 80: ...E 4 Drawings Cardiac Stress Treadmills Service Manual Wiring Diagram High Voltage Treadmill ...

Страница 81: ...placing 4 26 Emergency stop switch replacing 4 25 G Grade limit switches adjusting 4 20 Grade motor assembly 2 2 Grade motor replacing 4 11 Grade potentiometer replacing 4 13 H Headframe 2 1 2 2 Hood removing 4 3 I Indicators 1 2 Input power module 2 2 Installation 1 2 Interface 2 1 M Mechanical hazards 4 2 Motor drive 2 2 grade 2 2 O Operation 1 2 P Patient instructions A 2 Patient data 1 2 Pinio...

Страница 82: ...4 7 Theory of operation 2 1 Tools 4 2 Transformer replacing 4 10 Treadmill interface 2 1 U User interface 2 1 W Walk belt tracking 4 24 Walking belt adjusting 4 23 replacing 4 22 Walking deck assembly 4 21 Wiring diagram high voltage treadmill E 4 low voltage treadmill E 3 ...

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