TM 9-4120-360-14
CHAPTER 3
OPERATOR'S MAINTENANCE INSTRUCTIONS
Section L LUBRICATION INSTRUCTIONS
3-1. General
porate sealed bearings, so that no Lubrication is required, When necessary to relieve binding of louver blades, fasteners,
etc., an application of light machine oil maybe worked into the joint or pivot. Excess oil should be blotted up with a cloth
or paper towel.
SECTION II. TROUBLESHOOTING
3-2. Use of Table
The troubleshooting Table contains information useful in diagnosing and correcting unsatisfactory operation or failure of
the air conditioner.
a. The Table lists the common malfunctions which you may find during the operation or maintenauce of the air con-
ditioner or its components, You should perform the test/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.
c. Any trouble or corrective action beyond the scope of operator maintenance shall be reported to Unit maintenance.