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3-1.
T M 5 - 4 1 2 0 - 3 8 7 - 14
C H A P T E R 3
O P E R A T O R ’ S M A I N T E N A N C E I N S T R U C T I O N S
S e c t i o n I L U B R I C A T I O N I N S T R U C T I O NS
The air conditioner and its rnajor components are designed so that very little lubri-
cation is required during their serviceable lifetime.
The refrigerant compressor and its
drive motor are hermetically sealed in a single container; sealed bearings are incor-
porated in the drive motor; and the compressor crankcase contains a lifetime charge
of oil,
Sealed bearings are incorporated in the evaporator and condenser fan
motor.
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. Sparingly
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.
Change 3
3-1
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