TM 9-4120-370-14
TO 35E9-229-1
OPERATOR'S MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
3-1.
GENERAL
The Air Conditioner and its major components are designed so that very little lubrication is required during their serviceable
lifetime. The refrigerant compressor and its drive motor are hermetically sealed in a single container; sealed bearings are
The only operator lubrication required is that necessary to relieve stiffness or binding of the louver blades in the evaporator
intake and discharge grilles or the turn button fasteners associated with the fabric cover on the back of the cabinet. Spar-
ingly apply a light machine oil and work it into the joints or pivots involved. Blot up all excess oil with a cloth or paper towel.
Report stiffness or binding of all other operational controls to organizational maintenance for appropriate action.
Section Il. TROUBLESHOOTING PROCEDURES
3-2. USE OF TABLE
Table 31 contains troubleshooting instructions designed to be
useful in
diagnosing and correcting unsatisfactory opera-
tion or failure of the air conditioner.
The table lists the common malfunctions which you may find during the operation or maintenance of the air
a.
conditioner or its components. You should perform the tests/inspections and corrective actions in the order
listed.
b. This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If
a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.
Any trouble or corrective action beyond the scope of operator maintenance shall be reported to unit mainte-
c.
nance.