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Model: 5731
Hydraulic Power Unit
08/2016 | Rev. 08
Page | 19
9.0
MAINTENANCE
9.1
GENERAL
Periodically inspect the HPU for loose fasteners, hose fittings, damaged hoses, and worn electrical cables. Make repairs as
needed for safe operation.
Reference Sections
9.2
9.14
for Parts Lists, Descriptions and Illustrations.
9.2
ELECTRIC MOTOR
The Electric Motor is pre-greased by the manufacturer. Periodic greasing is necessary on a frequently used HPU.
Reference
Appendix
Lincoln Motor Manual
for details.
FIGURE 9.2
Electric Motor/Hydraulic Pump Assembly
PARTS LIST
Item
Part Number
Description
Qty
1 ............................
Reference following: ........................
Electric Motor ........................................................................... 1
60 Hz Applications
50 Hz Applications
Voltage
Part Number
Voltage
Part Number
380 .................... EC-1224-13
380 ...................... EC-1555-05
460 .................... EC-1224-14
415 ...................... EC-1224-14
575 .................... EC-1224-15
440 ...................... EC-1555-06
2 ............................ H-2226-03 ....................................... Coupling (Motor Half) ............................................................... 1
3 ............................ H-2229............................................. Spider (Hytrel) .......................................................................... 1
4 ............................ H-2226-14 ....................................... Coupling (Pump Half) ............................................................... 1
5 ............................
Reference 9.3 and 9.3.1
.................. Hydraulic Pump ........................................................................ 1
6 ............................ HC-1427-02 ..................................... Pump/Motor Adapter ................................................................ 1
Summary of Contents for 5731
Page 55: ...Model 5731 Hydraulic Power Unit 08 2016 Rev 08 Page 50 This page left blank intentionally...
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Page 67: ...APPENDIX I Declaration Of Conformity...
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Page 71: ...APPENDIX II Hydraulic Schematic INS 1660...
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Page 73: ...APPENDIX III Electrical Schematic INS 1608 INS 2016...
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Page 75: ...APPENDIX IV Wiring Diagram INS 1597 INS 2046...
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Page 77: ...APPENDIX IV Lincoln Motor Manual...
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Page 83: ...APPENDIX V Oilgear Pump Manual...
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Page 101: ...APPENDIX VI Material Safety Data Sheet MSDS Hydraulic Fluid...
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Page 111: ...APPENDIX VII ANSI B93 19M 1972 R1993 Excerpt...
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Page 117: ...APPENDIX VIII Instrument Certification Notice...
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