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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
6-7 THERMOSTAT BOX AND COVER
This task covers:
Inspection
Removal
Repair/Replace
Installation
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Riveter (Rivnut) (Item 9, Appendix B)
Gloves, chemical (Appendix C)
Personnel: 1
Materials:
Methyl-ethyl ketone (MEK) (Item 13, Appendix E)
Sealant tape (Item 15, Appendix E)
Equipment Conditions:
Open rear evaporator panel (para 6-6).
INSPECTION
1.
Check that box is not bent, cracked, or punctured. Replace box, if defective (see Figure 6-2).
2.
Check for damaged, loose, or missing mounting hardware.
NOTE
For removal of the thermostat box the air conditioner must be removed from the van or shelter.
REMOVAL
1.
Remove cool control thermostat (para 4-87).
2.
Remove two screws (9), locknuts (7), and four flat washers (8).
3.
Remove two screws (2), locknuts (6), and four flat washers (3) and (5).
4.
Remove box (4).
REPARI/REPLACE
NOTE
Repair consists of replacing bushing, gaskets, rivnuts, or thermostat box and cover.
1.
Remove grommet (12).
2.
Remove damaged gasket (10) from cover (11).
WARNING
Acetone and Methyl-Ethyl Ketone (MEK) are flammable and their vapors can be explosive.
Repeated or prolonged skin contact or Inhalation of vapors can be toxic. Use a well ventilated area,
wear gloves, and keep away from sparks or flame.
3.
Clean area for new gasket, using acetone or MEK and a stiff brush.
6-5
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