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TM 9-4110-257-14
5-22.
CHECK VALVE REPLACEMENT
This task covers:
a. Removal
b. Installation
INITIAL SETUP
Equipment Conditions:
Refrigeration system discharged (para. 5-7) and purged (para. 5-8).
Left side condenser door open.
a.
Removal.
Purge (para. 5-8) and de-braze (para. 5-9) two fittings (1) from check valve (2).
Figure 5-18. Check Valve
b.
Installation. Purge (para. 5-8) and braze (para. 5-9) two fittings (1) onto check valve (2).
NOTE
FOLLOW-ON MAINTENANCE:
Close left side condenser door.
Replace dehydrator (para. 5-14).
Leak check (para. 5-10), evacuate (para. 5-11), and charge (para. 5-12) the refrigeration system.
5-47
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