TM 10-4510-206-14
Table 4-2.
Organizational Troubleshooting Procedures (Cont’d)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
NOISY FUEL PUMP
Step 1.
Check suction hose for leaks.
Tighten suction line connections.
Replace suction hose if cracked.
Step 2.
Inspect to see if fuel pump strainer is clogged.
Clean fuel pump strainer.
Step 3. Check fuel filter to see if it is clogged or dirty.
Remove and replace fuel filter.
See paragraph 4-14.
Step 4.
Check to see if fuel pump is overheating or noisy.
Replace fuel pump.
Step 5. Check to see if fuel pump is primed.
Prime fuel pump.
6.
PRESSURE GAGE INDICATES PULSATING PRESSURE.
Step 1.
Inspect suction hose for leaks.
Tighten suction hose connections.
Step 2. Check to see if fuel pump strainer is clogged.
Remove and replace strainer.
See paragraph 4-14.
Step 3.
Check to see if fuel filter is clogged.
Remove and replace filter.
See paragraph 4-14.
If fuel filter is not clogged, go to step 4.
Step 4.
Check to see if burner nozzle is defective.
Replace burner nozzle.
See paragraph 4-14.
4-12
