manualshive.com logo in svg

Ohmeda 3000, Service Manual, Page: 57 / 62

Share
Download
Ohmeda 3000 Service Manual Download Page 57

Summary of Contents for 3000

Page 1: ...EDB ECI Infant Warmer Systems Model 3000 and 3300 Service Manual BOC Health Care...

Page 2: ...stem Model 3000 and 3300 Copyright 1986 Ohmeda This document is not to be reproduced in any manner nor are the contents herein to be disclosed to anyone without the express authorization of the _Servi...

Page 3: ...anel Repairs 3 2 Checkout Procedure 34 5 Bed Flatform Disassembly i Be form Asse yo B Control Unit Checks 31 F Hydraulic System Installation 5 4 Caster Replacement 5 16 4 Calibration and Adjustments 4...

Page 4: ...a procedure in this manual static control precautions must be observed Use the static control work station Part No 0175 2311 000 to help ensure that static charges are safely conducted to ground and...

Page 5: ...this service manual which is clearly and thoroughly understood This static control precaution symbol appears throughout this manual When this symbol ap pears next to a procedure in this manual static...

Page 6: ......

Page 7: ...via the multiplexer MC14051B U 13 The digital output of the A D converter is input to the microcontroller where the software then ad justs the power to the heater to compensate for var iations in lin...

Page 8: ...the microcontroller for addressing the EPROM and receiving program instructions Four ICs with a network of precision resistors are used to interface the microcontroller The tempera ture sensor calibra...

Page 9: ...e analog voltage is converted in the ADC 3711 to a digital signal in four digit BCD format 0 to 3999 counts The microcontroller sends a start conver sion pulse to the ADC 3711 which then starts to up...

Page 10: ...er through the 1 0 expander U4 The software will then switch Off the heat Two counts later the High input on D is clocked to the output Q The heater status Off Low On High sent from the Schmitt trigge...

Page 11: ...mber of heat cycles to be output A flag is set whenever this register is not zero the heat is On only when this flag is set The operation of the heat control software and the heat output hardware are...

Page 12: ...oltage Out of Range Error 10 Verifies that the line voltage is within the range of 82 6 to 117 4 of nominal input voltage 95v to 135v for 115v units Diagnostic Testing Diagnostic testing can be access...

Page 13: ...ll Off Al Ys 9 19 Al Off All 0 s 10 20 All Off Al Off All Off Al Off The unit returns to start of self test loop Error Codes Error Description 01 Instruction test fails 02 Calibrate high fails 03 Cali...

Page 14: ...When the microprocessor sets the CS line High the 8243 is disabled 1 8 LED Display Driver The LED display driver U2 controls the LED dis plays The displays are multiplexed with a duty cycle of 20 and...

Page 15: ...Less than 8 microamperes on 100v and 120v units 18 microamperes on 220v and 240v units measured at the patient probe connection Less than 90 microamperes on 100v and 120v units 180 microamperes on 220...

Page 16: ...f operation and the set point are recalled 2 4 Environmental Operating temperature range 10 to 40 degrees C Storage temperature range 25 to 60 degrees C Humidity 0 to 95 2 5 Mechanical without accesso...

Page 17: ...ec urely 2 Check that the output from the regulator is 52 2 psig with a 500 cc flow If adjustment is re quired refer to section 4H B Control Unit Checks 1 Connect the Infant Warmer power cord to an ap...

Page 18: ...d in normal operation by a trickle charge current from the regulated 9 volt sup ply If the battery is discharged it must be re charged before allowing a patient to occupy the In fant Warmer The batter...

Page 19: ...nel and display panel may drop down when the bottom cover mounting screws are removed Be sure to secure the panels with tape before disassembly 1 Set the test switch 1 located on the control board to...

Page 20: ...line voltage Nominal Voltage x 100 uration all switches Open Displayed H Test Loop 3 Slowly adjust R3 on power supply board as re Complete Unit Testing quired until the control temperature display 1 S...

Page 21: ...e Oxygen Yoke and Regulator Assembly in position on the Infant Wanner System and re place the eight mounting screws for the assem bly J Electrical Safety Check Power Cord Inspection 1 Examine the powe...

Page 22: ...the ungrounded leakage current Switch the power switch of the device under test Off and then repeat steps 2c and 2d Reverse Polarity Leakage Current Test Place the polarity switch on the Leakage Curre...

Page 23: ...Housing Connector Examination Lamp Rear Heater Housing Cap SJ Mounting 7 Screw Ground Wire Figure 5 1 Removal of Back Cover from Heater Assembly 9 To ease disassembly the four mounting screws for the...

Page 24: ...Note For replacement hold terminal to ensure no strain is placed on the element Mounting Mounting Screw Screw Front Mounting Plate Alarm Lamp 5 Sockets Front Heater Housing Cap Front Cover Plate Figu...

Page 25: ...sition 9 Perform the Electrical Safety Procedures in Sec tion 4 and the Checkout Procedures in Section 3 D Alarm Lamp Replacement Figures 5 3 Lamp GTE Sylvania 120MB 6W Ohmeda Part No 0690 2100 315 CA...

Page 26: ...push it into slide cover to the the lamp socket right 6 Replace the back panel and mounting screws 7 Rotate the heater assembly back to the normal operating position 8 Plug the power cord in and switc...

Page 27: ...5 Disassembly and Repair Control 1 Mounting Screw Observation Light Connector Control Unit Cover Figure 5 6 Control Module Assembly 5 5...

Page 28: ...5 Disassembly and Repair Mounting Nut 26 Figure 5 7 Control Board and Power Supply Board Assembly 5 6...

Page 29: ...ar of the plug For connectors J13 J14 J15 and J17 squeeze the locking tabs on the rear of the plug to disengage the lock mechanism J12 is a short connector which connects to J5 on the control board 2...

Page 30: ...d See Figure 5 9 7 Separate the display board from the display panel AN Ground Wire Tm Mounting Screws Figure 5 8 Display Module Assembly D Display Module Assembly Figures 5 8 and 5 9 CAUTION Take sta...

Page 31: ...5 Disassembly and Repair Figure 5 9 Display Board Assembly 5 9...

Page 32: ...lide the control board off the mounting posts and rotate it down You do not have to remove any other connectors Figure 5 10 Side Panel Operation Model 3300 6 Remove the battery and install a replaceme...

Page 33: ...end brac 2 Replace the mounting screw and tighten sec ket urely 2 Remove the other mounting screw and end brac ket if the bed side or window need replacement 3 Disassemble the end bracket support but...

Page 34: ...fully placed on it s right side looking from the front or the bed may be re moved for replacement of the hydraulic system 1 Use a 1 2 inch wrench and 7 16 inch wrench to remove the hydraulic system mo...

Page 35: ...5 Disassembly and Repair...

Page 36: ...5 Disassembly and Repair fg Mounting Screw 1 Figure 5 13 Hydraulic System Assembly 5 14...

Page 37: ...bing for the hydraulic system in parallel and make sure it does not overlap until it reaches the storage area The tubing must not be stretched pinched or kinked during reassembly ZZ Lu x o La Figure 5...

Page 38: ...16 Periodically lubricate the Tee handle screws with a small amount of oxygen service lubricant This will prolong their life and make sealing of the yoke gas kets easier Periodically replace the yoke...

Page 39: ...5 Disassembly and Repair Gauge Yoke Check Valve Strainer Nipple Gasket Yoke Plug ow Tee 2 Handle Y AS A Figure 5 16 Manifold Assembly...

Page 40: ...5 Disassembly and Repair Mounting Screws B O02 Yoke and Regulator Assembly Figure 5 17 Manifold Assembly Removal 5 18...

Page 41: ...ace the check valves in the gas manifold when reguired The check valves are located in the cylin der yokes of the gas supply modules Figure 5 18 High Pressure Regulator 1 Remove the gas cylinder if pr...

Page 42: ...ossible Cause Leak across the regulator seat Leak across the regulator seat Loose spring case or damaged diaphragm Worn or sticking in ternal parts Internal flow obstructed Dirty filter Cylinder valve...

Page 43: ...ssor 8031 defective ADC calibration Cal high resistor defective ADC calibration Cal low resistor defective Eprom defective Microprocessor 8031 defective Microprocessor 8031 defective 1 0 expander 8243...

Page 44: ......

Page 45: ...IUPJUT Trz OBES eyeId prodding Bunsuo 395frdm 02 Bnf Bupioof erqnod 6T 8121 9 PME QT TXD L Menos AT 91 9 ASYSOMADOT OT BI 9L 9 OE ET Z L 3na BapipoT pr GO09ZT QIZ99 7edya ET 17 acraet 7r Poz9t RBRG TY...

Page 46: ...2440 216 214 1553 710 203 0232 300 11 1646 300 18 8104 300 17 5293 300 14 Left leg Note Earlier units usad a different style castor If replacement is required replace casters in pairs or replace all 4...

Page 47: ...007 SI OOT pAZI LTZ0 o90q pued 0TZ SE8Z ZBT0 BIS 94 Me EL 967 710 071 X 20 9 MODS Zt 008 9969 3020 est TOUT TT 00g 9y69 90Z0 fequy 37024 OT 006 678 8020 wed UMS 6 00E 0IaP Z02 SEM BI B 00E EZ0 20 gopu...

Page 48: ...utput 7 Transformer 95 115 220 240vac input 8 to 13vde output B Hox nut 4 40 0208 7581 300 0208 7580 300 0144 3217 113 0144 1104 131 0214 2275 711 0208 5163 300 Screw 4 40 x 8 8 0140 6517 110 18 Conne...

Page 49: ...eesse 01090 196 200 1991 0690 094096 00090 ooeuioo xoonPaooD 8 YE TD T997 0690 dury 03590 4032RDtOO DE 1 9900 Ho3jAAe oIBBor EL 9 MOOT ZT 491701918 YON TT 7 2 1 X ZE NANA OL leoez poo eaAod 6 SIE ZTE...

Page 50: ...or 22 ohm 1 4w 5 carbon composition Header 12 pin 20 001000 00 vos power FET 10 CNY65 optolsolator 10 2022 photo triac driver 9040 zero crossing triac 10 78060 voltage regulator 5v Power Supply Board...

Page 51: ...0890 905 920 090 00E E6P0 0890 00grtra0 0890 006 6750 0890 008 E150 0 890 00E 0E00 9 890 908 0011 0690 53y 099ir0690 E99 0991 0690 a 0991 0690 Iay 099r 0690 TDE 9T06 5890 ODE 2E00 EB90 806 2211 2890...

Page 52: ...17 Display HLMP 2400 Yellow 0683 9020 304 y IC 8243 Input Output Exp 0684 0800 002 uz IC MM 5451 Display Driver 0684 0900 001 or MM 5450 ForDS123 Socket 16 pin 0690 2400 321 ForDS4669 Socket 14 pin 06...

Page 53: ...6179 700 Note Replacement of the complete harness assembly is recommended 1 6 Circuit connector Amp 350715 1 0690 1561 444 0690 1562 346 0203 5915 300 3 Fiberglass tubing 0999 8315 010 4 3 Circuit co...

Page 54: ...62 347 Polarizing Plug 0690 1562 345 2 2 Circuit connector Amp 350777 1 0690 1561 401 Socket 0690 1562 347 3 2 Circuit connector Amp 350777 1 4 3 Circuit connector Amp 350767 1 Socket 0690 1561 401 06...

Page 55: ...tua Bupmoy 101204 xeorreAA 3CefT 21 2 93914 5 PYBLOSE Kury PY T99T 0 690 1 91409E3 0400 403000000 1039npu03 9 B 90ZE zegumN 19038 STI SHE pue syed POJEMSNI LZ...

Page 56: ...8 5 Spacer 1881D 378 6 Sorew 8 32 x 1 2 7 Nut 46 32 w exte 8 8 0 1 Reflector box 1217 5224 500 Snap bushing 208 0628 300 1 0 Nut 8 32 w e 0202 1131 200 41 Spacer 1 4 hex 6 32 75L 0402 0234 300 Figure...

Page 57: ...210 300 3 Cable clamp nylon type n 2 0208 0331 300 4 Lockwasher ext 6 0202 3200 300 5 Screw 6 32 x 3 8 0140 6624 106 6 Nut 8 32 w external lockwasher 0202 1131 300 7 Cable clamp 0208 0446 300 8 Nut 6...

Page 58: ...500 7 Extension spring 0203 3103 300 8 Bed tilt lever 0217 5277 100 9 Pin ee 0217 5321 500 10 Hydraulic system assembly 0217 5360 810 Bail joint 0217 5318 300 11 Valve bed hydra pi 0217 5283 100 12 Be...

Page 59: ...Peg UAH pe er wopu 1084 PB 18023 MOPUJAA T 40GUMN 35039 wopdzosea Alquiessy peg grz mba a Pd zeer pmre ats q a PSG SUSE pue 3307 y 901 00 o jpeGt ogmCG reeiO Z 0 0 E 0 9 0 9 S 0 E 0 storgeur tieog dm...

Page 60: ...r Repair Kit 0306 9950 870 16 3 16 Compression elbow 1 8nptm 0413 8566 300 Spring 0830 0173 300 17 02 Connector DISS 9 16 0204 0508 632 Relief S at 0830 0917 300 18 O xing 2601D 2750D 0210 0596 300 Di...

Page 61: ...nnel 18 00 inches 0203 2510 300 3 Screw 6 32 x 5 16 0140 6724 105 4 Side drawer panel 0214 1572 510 5 Left slide channel 18 00 inches 0203 2509 300 Figure 7 19 Drawer Assembly 1 Description Stock Numb...

Page 62: ...c drawer 2 Post screw 1 4 inch 3 Right slide track 18 4 Drawer front 5 Left slide track 18 00 inches 0217 5220 400 0203 5611 300 0203 2507 400 0214 1576 510 0203 2508 400 Description o Component 1 Scr...

Reviews:

No comments