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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
6-19. PRESSURE REGULATOR VALVE.
This task covers:
Removal
Inspection
Repair/Replace
Installation
INITIAL SETUP:
Tools:
Tool kit, service, refrigeration unit (Item 1, Appendix B)
Personnel: 1
Equipment Conditions:
1.
Pump down refrigerant system (para 5-21).
2.
Remove rear evaporator panel (para 6-6).
REMOVAL
1.
Remove two screws (1), locknuts (9), eight flat washers (2) and (10), and two clamps (3) from refrigerant lines (see
Figure 6-14).
2.
Loosen screw (6) and locknut (8) in circulating air out RFI filter compartment (para 4-41).
3.
Remove sensing bulb (5) from clamp (7).
4.
Pull two grommets (4) and (11), and sensing bulb (5) up to evaporator compartment.
5.
Remove two bolts (12), nut (16), and four clamp halves (13).
6.
Remove four bolts (17) and nuts (14).
7.
Remove valve body (15).
INSTALLATION
1.
Place valve body (15) in mounting position.
2.
Install four bolts (17) and nuts (14).
3.
Install clamp halves (13) with two bolts (12) and nuts (16).
4.
Route sensing bulb to supply air out RFI filter compartment (para 4-41) and install two grommets (4) and (11).
5.
Place sensing bulb (5) in clamp (7).
6.
Tighten screw (6) and locknut (8).
7.
Install two clamps (3) on refrigerant line with two screws (1), eight flatwashers (2) and (10), and two locknuts (9).
FOLLOW ON PROCEDURE
1.
Install rear evaporator panel (para 6-6).
2.
Perform start up after repairs (para 5-22).
6-30
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