TM 9-4120-385-14
OPERATOR'S MAINTENANCE INSTRUCTIONS
Section I. LUBRICATION INSTRUCTIONS
LUBRICATION
a. There are no lubrication requirements at the operator's level.
b. For operator's Preventive Maintenance Checks and Services, refer to Paragraph 22.
Section II. TROUBLESHOOTING
TROUBLESHOOTING
a. The troubleshooting table (Table 31) lists the most common malfunctions which you
may find during the operation of the air conditioner or its components. You should perform the
test/inspections and corrective actions in the order listed.
b. This manual cannot list all malfunctions which may occur. However, all tests or
inspections and corrective actions are listed for most common malfunctions. If a malfunction is
not listed or is not corrected by listed corrective action, notify your supervisor or organizational
maintenance.
Table 3-1. OPERATOR'S TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. AIR CONDITIONER FAILS TO START
Step 1. Controls not properly set.
Set controls for starting. Refer to Paragraph 2-1.
Step 2. Power supply leads loose or not connected.
Check power supply leads and tighten, or connect leads as required.
Step 3. Circuit breaker tripped.
RESET. Refer to Paragraph 2-1.
