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TM 9-4120-428-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
(NSN 4120-01-502-1319)
PRESSURE RELIEF VALVE REPLACEMENT
INITIAL SETUP:
Equipment Condition
Tools
Remove top panels (WP 0061 00)
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
Remove dehydrator (WP 0075 00)
1
Materials/Parts
Pressure Relief Valve
Lock Washers (2)
REPLACEMENT
1. Remove screw (Figure 5 -27, Item 1), lock washer (2), flat washer (3), and chain (4) from the clamp (5).
2. Remove screw (6), lock washer (7), flat washer (8), and loop clamp (9).
3. Hold the fitting (10) and remove the valve (11).
4. Hold the fitting (10) and install the new valve (11).
5. Secure the valve (11) with the clamp (9), screw (6), lock washer (7), and flat washer (8).
6. Install the clamp (5) and chain (4) with the screw (1), lock washer (2), and flat washer (3).
6
7
8
1
9
2
3
11
4
5
10
0086 00-1
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