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ARMY TM 9-4120-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-25
LOW OIL PRESSURE SWITCH (S7).
This task covers:
Inspection
Removal
Testing/Adjustment
Installation
INITIAL SETUP:
Tools
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Materials:
Rags (Item 12, Appendix E)
Nitrogen, technical (Item 14, Appendix E)
Equipment Conditions:
WARNING
Disconnect input power to the air conditioner before performing any internal maintenance. Voltages
used can KILL. Shutting the unit off at the control panel does not disconnect unit power.
1.
Disconnect air conditioner input power at source.
2.
Remove right front condenser panel (para 4-28).
3.
Purge compressor (para 5-20).
INSPECTION
1.
Check that switch and cover are not dented, broken or cracked. Replace switch or cover, if defective (see Figure 5-
14).
2.
Check bracket is not broken or cracked or dented. Replace bracket, if defective.
3.
Check that wire leads are properly connected. (see Figure FO-3).
REMOVAL
1.
Remove cover (1).
2.
Tag and disconnect leads.
3.
Remove pressure lines (4) from rear of compressor (5/8" wrench).
4.
Remove five screws (2), ten flat washers (3) and (6), five locknuts (7) and clamps (5).
5.
Remove two screws (8), four flat washers (9) and (11), and two locknuts (12).
6.
Remove switch (10).
5-51
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