TM 10-4930-351-14
0013 00
Table 1. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Engine starts but lacks power or will not run
Step 1. Check for clogged air intake.
a.
Remove filter element from air filter.
b.
Check for blockage at air intake.
c.
Inspect filter element for clogging; replace if necessary. (WP 0023 00)
Step 2. Check for clogged fuel filter.
a.
Drain and check fuel filter. Replace if clogged. (WP 0021 00)
b.
Refer to Direct Support Maintenance for repair.
Step 3. Replace fuel injectors. (WP 0044 00)
4. Exhaust produces black smoke.
Replace fuel injectors. (WP 0044 00)
FUEL TRANSFER PUMP
1. Pump will not prime
Check discharge check valve for proper seating.
a.
Check for debris or damage that prevents check valve from seating fully. Clean valve seat and surface.
b.
Replace discharge check valve. (WP 0036 00)
2. Pump leaks at inlet
Check inlet mounting screws.
Verify that all inlet mounting screws are evenly tightened.
3. Emergency Shutoff Valve leaks.
Inspect to determine area of leak.
a.
If leak is at face of unisex coupling, replace face seal.
b.
Replace emergency shutoff valve. (WP 0028 00)
c.
Refer valve to Direct Support Maintenance for repair.
0013 00-3
