TM 10-3510-220-24
Table 2-2. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
25. DRYER BURNER FLAME FAILS. (Cont)
Step 5.
Step 6.
Step 7.
Step 8.
Step 9.
Check for loose fuel pump coupling.
a.
Tighten fuel pump coupling. Refer to paragraph 2-46.
b .
If fuel pump coupling is serviceable, proceed to next step.
Check for defective fuel solenoid. Replace suspect solenoid temporarily with a known
good one.
a.
If fuel solenoid is defective, replace fuel solenoid. Refer to paragraph 2-44.
b .
If solenoid is serviceable, proceed to next step.
Check for clogged or damaged burner nozzle.
a.
Clean clogged burner nozzle or replace damaged nozzle. Refer to
paragraph 2-51.
b .
If burner nozzle is serviceable, proceed to next step.
Check for defective combustion blower impeller. Check for loose coupling and for
damaged or missing parts.
a.
If combustion blower impeller is defective and/or parts are damaged or
missing, replace combustion blower impeller. Tighten loose couplings. Refer
to paragraph 2-52.
b .
If combustion blower impeller is serviceable, proceed to next step.
Check for defective combustion blower motor. Check for noisy or hot
operation of motor.
a.
If combustion blower motor is defective or if operation is noisy or hot, replace
combustion blower motor. Refer to paragraph 2-52.
b.
If combustion blower motor is serviceable and problem persists, notify
your supervisor.
2-34
