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TM5-4120-387-14
TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont.)
B-Before D-During A-After W-Weekly M-Monthly
Item
No.
8
Item To Be Inspected
Procedure
Refrigerant Sight Glass
After 15 minutes of operation in
maximum cooling, check for
bubbles or milky flow indicating
low refrigerant charge. Check
for yellow color which indicates
presence of moisture.
Equipment Is Not
Ready/Available If:
Bubbles, milky
flow, or yellow
color is observed.
2-13
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