TM 9-4120-402-14
Section II AUTHORIZED GENERAL SUPPORT MAINTENANCE ACTIONS
6-2. GENERAL.
The only items restricted to general support maintenance level by the Maintenance Allocation Chart (MAC) are the repair
or replacement of insulation or lifting fittings on the housing, and replacement of the cabinet base. However, general
support maintenance may be called upon, at times, to perform any or all of the MAC items listed for unit and direct
support maintenance for rehabilitation or overhaul of an air conditioner.
6-3. CASING.
This task covers: a. Inspect
b. Repair
INITIAL SETUP
Tools
Materials/Parts
Refrigeration Unit Service Tool Kit
Lifting Handles (2)
Rivets (As Required)
Torch Set
Nut Plates (As Required)
Rivet Gun
Blind Nuts (As Required)
Insulation/Gasket
Gloves
Adhesive
Brush
Adhesive Remover
Equipment Conditions:
CAUTION
Use disconnect switch (NOT POWER
CABLE) to disconnect power to unit.
Damage to cable connector pins will
result if cable is used.
Disconnect power at power source.
a. Inspect.
Check casing for visible signs of damage, cracks, broken welds, or punctures. Repair as indicated.
6-2