TM 5-4930-244-14
Table 3-1. Operator Troubleshooting Table (Cont.)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. COMPRESSOR PUMPS TOO SLOWLY
Step (1)
Check for loose or slipping drive belts.
Notify unit maintenance if drive belts are slipping or worn.
Step (2)
Check for dirty air filter.
Replace air filter.
Step (3)
Check compressor oil level.
Fill if level is low. Notify unit maintenance if level too high.
12. HEATER WILL NOT START DURING COLD WEATHER OPERATIONS:
Step (1)
If heater fails to start on second attempt, do not continue the starting procedure.
Report the problem to unit maintenance
Step (2)
Check wiring for loose connections, cracks, and brittleness.
Report any problems to unit maintenance.
Step (3)
Check for broken or leaking fuel lines.
Report deficiencies to unit maintenance.
13. LUBE DISPENSERS/PUMPS ARE NOT OPERATING PROPERLY:
Step (1)
Check to see if air compressor is running.
Step (2)
Check for air pressure gauge reading of approximately 120 psi minimum
If pressure is lower than 120 psi or higher than 180 psi, notify unit maintenance.
Step (3)
In cold weather, check lubricant thickness due to cold.
Use the wintenzation assembly supplied with your unit.
Check fluid level of the alcohol injector and fill if necessary.
Step (4)
Check for adequate levels in lubricant container tanks.
Fill to the correct levels.
Step (5)
Check the lubricant recirculation valve. It should be closed.
Close the lubricant recirculation valve.
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