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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-48. PUMP END BEARING ASSEMBLY.
This task covers:
Disassembly
Inspection
Repair
Reassembly
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Wrench, torque, 1/2", 10-150 ft Ibs (Item 20, Appendix B)
Material:
Rags (Item 12, Appendix E)
Personnel: 1
Equipment Conditions:
Remove compressor (para 5-46).
DISASSEMBLY
1.
Remove four cap screws (1).
2.
Remove cover plate (2) and gasket (3).
3.
Remove oil feed guide vane and spring (4).
4.
Remove two cap screws (5).
5.
Remove drive segment (6).
6.
Remove pump rotor retaining ring (7).
7.
Remove pump rotor (11)
8.
Remove eight cap screws (10).
9.
Remove oil pump bearing head assembly (9).
10.
Remove oil pump gasket (8).
11.
Clean old gasket material off compressor.
INSPECTION
1.
Inspect the bearing surfaces for evidence of wear or damage.
2.
If bearing surface is worn or scored, or oil pump is defective, replace oil pump bearing head assembly.
REPAIR
Repair consists of replacing oil pump bearing head assembly.
5-111
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