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TM5-4120-376-14
Table 5-1. DIRECT SUPPORT MAINTENANCE TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. INSUFFICIENT COOLING
Step 1.
Check sight indicator for bubbles or yellow color. If bubbles or yellow color
exist, leak check system in accordance with paragraph 5-11, page 5-13.
Repair or replace sight indicator in accordance with paragraph 5-21, page 5-58.
Step 2.
Feel dehydrator (filter-drier) (6) to see whether it is cold to the touch or is
frosted or sweating. Cold discharge indicates obstruction.
Replace dehydrator (filter-drier) in accordance with paragraph 5-20, page 5-48.
Step 3.
Check solenoid valve (L-1) (7) for proper operation. Test solenoid valve (L-1) in
accordance with paragraph 5-19, page 5-38.
Replace solenoid valve (L-1) in accordance
with paragraph 5-19, page 5-40.
5-3
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