TM 10-3510-220-10
Table 3-2. Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5.
FUEL PRESSURE TOO LOW OR FUEL PRESSURE PULSATES (WATER
HEATER/DRYER) (Cont)
Step 3.
Check feed and return fuel hose assemblies to see if they are
reversed.
a. If feed and return fuel hoses are reversed, disconnect and
reconnect fuel hose assemblies in correct positions.
b.
If feed and return fuel hoses are in correct positions, proceed to
next step.
Step 4.
Check fuel pump to verify that it has been primed.
a.
If fuel pump has not been primed, refer to paragraph 2-8e and
prime pump.
b.
If fuel pump has been primed, proceed to next step.
Step 5.
Inspect fuel filter cover for loose hardware.
a.
If fuel filter cover is loose, tighten connections,
b.
If fuel filter cover is not loose, report problem to your
supervisor.
Step 6.
Check for clogged fuel filter,
a.
If fuel filter is clogged, refer to paragraph 3-7 and perform
maintenance on fuel filter,
b.
If problem persists, notify your supervisor.
6.
FUEL PUMP FAILS TO DELIVER FUEL TO BURNER (WATER HEATER/DRYER).
WARNING
Fuel is very flammable and can explode easily.
To avoid
serious injury or death, keep fuel away from open fire and
keep fire extinguisher within easy reach when working with
fuel. Do not work on fuel system when burner is hot. Fuel
can be ignited by hot burner. Shut off engine and do not
smoke while refueling.
3-7
