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TM 5-4120-374-13
This task covers:
c. Installation
a. Removal
b. Inspection
INITIAL SETUP
Approximate Time Required (in minutes)
Material/Parts
10
Removal
Rear Panel Screws (14)
5
References
Inspection
10
Installation
None
25
TOTAL TIME
Troubleshooting Reference
None
REMARKS
ACTION
LOCATION/lTEM
The sight glass may be inspected by looking through the louvers in the left
side panel. If you cannot see the sight glass through the left side panel, then
remove the rear panel.
REAR OF HOUSING
a. Remove fourteen (14) screws securing rear panel to housing.
1. Rear Panel
b. Remove rear panel.
a. With air conditioner operating and providing cooling air,
2. Sight Glass
inspect sight glass.
b. Yellow appearance of humidity indicator indicates moisture
in system. Bubbles or milky flow in refrigerant indicate low
refrigerant charge.
c. Report presence of these conditions to direct support
maintenance personnel.
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