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 TM 5-4120-374-13
4-30. REFRIGERANT PIPING (CONT)
REMARKS
ACTION
LOCATION/lTEM
FRONT OF HOUSING
a. Remove eight (8) screws securing return air grill.
7. Return Air Grill
b. Remove return air grill.
8. Air Diffuser Grill
a. Remove eight (8) screws securing air diffuser grill.
b. Remove air diffuser grill.
a. Loosen setscrews and remove knobs from return air control,
9. Control Panel Plate
selector switch and thermostat switch.
b. Remove two (2) screws securing control panel plate.
c. Remove control panel plate.
10. Front Panel
a. Remove two (2) screws securing thermostat switch to front
panel.
b. Remove fourteen (14) screws securing front panel.
c. Remove front panel.
HOUSING INTERIOR
a. Visually inspect all piping for damaged condition.
11. Refrigerant Piping
b. Inspect all fittings for leaks.
c. Tighten fittings and report damaged condition to direct
support maintenance personnel.
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