ARMY TM 9-4120-380-14
AIR FORCE TO 35E9-136-21
Section I. OPERATOR LUBRICATION INSTRUCTIONS
3.1 GENERAL. All fan bearings are permanently lubricated and sealed. The motors use ball bearings which are given
initial lubrication at the factory. Additional lubricant is not required.
Section II. OPERATOR TROUBLESHOOTING
3.2 The table lists the common malfunctions which you may find during the operation or maintenance of the air
conditioner or its components. You should perform the tests/inspections and corrective actions in the order listed.
3.3 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.