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Page Title:
LOW PRESSURE SWITCH (S5) INSPECTION, TESTING, AND REPLACEMENT |
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 TM 9-4120-428-14
DIRECT SUPPORT MAINTENANCE
AIR CONDITIONER, HORIZONTAL, COMPACT
(NSN 4120-01-502-1319)
LOW PRESSURE SWITCH (S5) INSPECTION, TESTING, AND REPLACEMENT
INITIAL SETUP:
Equipment Condition
Tools
Remove junction box (WP 0036 00)
Refrigeration Unit Service Tool Kit, WP 0000 00, Item
Remove top panels (WP 0061 00)
1
Materials/Parts
Low Pressure Switch S5
Lock Washers (2)
Tie Down Straps
INSPECTION
Inspect the pressure switch (1) and capillary line for visible signs of damage. Replace if damaged.
TESTING
Press the reset button on the switch (1). Check for continuity between terminals 1 and 2. If there is continuity, the
switch is properly closed. If no continuity is found, press and release the reset button again. If there is still no
continuity, the switch must be replaced.
2
7
6
5
1
4
3
0084 00-1
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