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ARMY TM 9-4210-381-14
NAVY EE-000-CA-MMA-010/7053-AC
AIR FORCE TO 35E9-136-31
5-36.
THERMOSTATIC EXPANSION VALVE (LIQUID QUENCH) - Continued.
DISASSEMBLY
1.
Remove two bolts (2), or second bolt (2) as applicable.
2.
Remove powerhead (6) from valve body (4).
3.
Remove cage assembly (5).
4.
Examine cage assembly for damage or defects.
REPAIR/REPLACE
NOTE
Repair consists of replacing power head, cage assembly, or valve body.
REASSEMBLY
1.
Examine replacement cage assembly (5) for defects or damage before reassembly.
2.
Install cage assembly (5).
3.
Install powerhead (6) on valve body (4).
4.
Install two bolts (2), or just one bolt (2) if valve will immediately be installed in unit.
INSTALLATION
NOTE
• If expansion valve body is not being installed, proceed to step 3.
• If expansion valve body is being installed, proceed to disassembly before brazing valve body.
1.
Position valve (4) in mounting position.
2.
Install valve (4) to bracket (1) with one bolt (2).
3.
Install sensing valve body (4) by brazing tubing (3) (para 5-14).
4.
Install sensing bulb (10) in retaining damps (12).
5.
Tighten two flatwashers (13), screw (11) and nut (14).
6.
Install two clamp halves (17) to refrigerant lines.
7.
Install two flat washers (16) and (18), one screw (19), and locknut (15).
8.
Leak test all newly connected joints and those in the repair area (para 5-15).
FOLLOW ON PROCEDURE
1.
Perform start up after repairs (para 5-22).
2.
Close control box assembly (para 4-45).
5-78
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