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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-47. VALVE PLATE 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 lbs (Item 20, Appendix B)
Material:
Rags (Item 12, Appendix E)
Personnel: 1
Equipment Conditions:
Remove compressor (para 5-46).
DISASSEMBLY
1.
Remove eight bolts (1).
2.
Remove head (11).
3.
Remove cylinder head gasket (2).
4.
Remove valve plate gasket (10) .
5.
Remove discharge valve screw (3) and discharge valve step (4).
6.
Remove discharge valve (5).
7.
Remove valve plate (9).
8.
Remove suction valve (6) and suction valve positioning spring (7).
INSPECTION
1.
Check cylinder heads for warping, cracks or damage to gasket surfaces. Replace if necessary.
2.
Inspect components for wear or damage. Replace if necessary.
REPAIR
Repair consists of replacing head (11), valve plate (10), discharge valve (5), suction valve (6), and positioning spring (7).
REASSEMBLY
1.
Install suction valve positioning spring (7).
2.
Install suction valve (6).
3.
Install valve plate gasket (10).
4.
Install discharge valve (5).
5.
Install discharge valve stop (4) and discharge valve screw (3).
NOTE
If side head gasket is being replaced, cut replacement gasket to match gasket being replaced.
6.
Install cylinder head gasket (2).
5-109
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