TM 5-4310-372-14
Section Il. TROUBLESHOOTING
3-4. GENERAL.
a.
This table lists the common malfunctions which you may find during the operation or maintenance of the Air
Compressor Unit or its components. You should perform the tests/inspections and corrective actions in the or-
der 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.
3-5. OPERATOR TROUBLESHOOTING. Perform troubleshooting functions in accordance with Table 3-1.
Table 3-1. TROUBLESHOOTING
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE
1. ENGINE FAILS TO START.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Inspect for lack of fuel in fuel tank.
Fill fuel tank.
Check that engine ignition switch is on “RUN”.
Turn ignition switch to “RUN”.
Check that fuel shut-off valve (petcock), located in the fuel strainer cover, is fully open.
Open valve.
Inspect fuel strainer for signs of dirt or grime which could be blocking flow of fuel to engine.
Service fuel strainer.
Inspect engine air filter for signs of excessive dirt or grime which could be blocking airflow to engine.
Replace air cleaner.
3-5
