Table 2-2. Unit Troubleshooting (Continued)
TEST OR INSPECTION
DRYER AIR IS NOT HEATED TO THE CORRECT TEMPERATURE. (Cont)
Check for defective UV scanner. Temporarily substitute a known good
scanner for the suspect scanner.
If scanner is defective, replace UV scanner. Refer to
If scanner is serviceable, proceed to next step.
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 2-47.
DRYER BURNER FLAME FAILS.
Check for clogged/dirty fuel lines.
a. If lines are clogged/dirty, clean fuel lines. Refer to
b. If lines are not clogged/dirty, proceed to next step.
Check for clogged fuel filter.
If fuel filter is dirty, service fuel filter. Refer to
TM 10-3510-209-10 and/or unit PMCS, table 2-1.
If problem persists, service fuel pump screen. Refer to
Check for low fuel pump pressure. Pressure should be approximately
100 psi (690 kPa).
If pressure is incorrect, adjust fuel pump pressure. Refer to
If problem persists, proceed to next step.
Check for defective or noisy fuel pump.
If fuel pump is defective or noisy, repair or replace fuel
pump. Refer to paragraph 2-45.
If fuel pump is serviceable, proceed to next step.