TM 10-3510-220-24
Table 2-2. Unit Troubleshooting (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
24. DRYER AIR IS NOT HEATED TO THE CORRECT TEMPERATURE. (Cont)
Step 3.
Check for defective UV scanner. Temporarily substitute a known good scanner for the
suspect scanner.
a.
If scanner is defective, replace UV scanner. Refer to paragraph 2-48.
b .
If scanner is serviceable, proceed to next step.
Step 4.
Check for defective flame safeguard control. Temporarily substitute a known good
flame safeguard control for the suspect control.
If control is defective, replace flame safeguard control. Refer to paragraph 2-48.
25. DRYER BURNER FLAME FAILS.
Step 1.
Step 2.
Step 3.
Step 4.
Check for clogged/dirty fuel lines.
a.
If lines are clogged/dirty, clean fuel lines. Refer to paragraph 2-47.
b .
If lines are not clogged/dirty, proceed to next step.
Check for clogged fuel filter.
a.
If fuel filter is dirty, service fuel filter. Refer to TM 10-3510-220-10 and/or
unit PMCS, table 2-1.
b.
If problem persists, service fuel pump screen. Refer to paragraph 2-46.
Check for low fuel pump pressure. Pressure should be approximately 100 psi
(690 kPa).
a.
If pressure is incorrect, adjust fuel pump pressure. Refer to paragraph 2-46.
b.
If problem persists, proceed to next step.
Check for defective or noisy fuel pump.
a.
If fuel pump is defective or noisy, repair or replace fuel pump. Refer to
paragraph 2-46.
b.
If fuel pump is serviceable, proceed to next step.
2-33
