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 TM 9-4120-425-14&P
PRESSURE RELIEF VALVE
DIRECT SUPPORT MAINTENANCE REPLACEMENT Continued
0070-00
WARNING
Check that power source is disconnected. Check that system is discharged of refrigerant.
INSPECT
Check valve and tubing for damage.
REMOVAL
Unscrew valve (1) from adapter (2) to remove valve from unit.
INSTALLATION
1.
Apply lubricating oil (Item 14, Table 1, WP 0121-00) to valve threads and install pressure relief valve (1) in adapter
(2).
2.
Replace filter-drier (See WP 0066-00).
3.
Leak test refrigeration system (See WP 0052-00).
4.
Evacuate refrigeration system (See WP 0053-00).
5.
Charge refrigeration system (See WP 0054-00).
6.
Install rear top panel (See WP 0019-00).
0070-00-2
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