AIR CLEANER RESTRICTOR INDICATOR LIGHT LIGHTS.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ENGINE (CONT)

Step 2. Check for blue exhaust smoke.

If there is blue exhaust smoke, replace valve cover gasket

(page 4-3). If condition continues, notify direct support

maintenance.

If there is no blue exhaust smoke, notify direct support

maintenance.

AIR INTAKE SYSTEM

12. AIR CLEANER RESTRICTOR INDICATOR LIGHT LIGHTS.

Step 1. Check for dirty air cleaner filters.

If air cleaner filters are dirty, replace filters (page 4-35).

If air cleaner filters are not dirty, go to step 2.

Step 2. Check for dirty and clogged vertical intake screen.

If vertical intake screen is not dirty or clogged, replace air

cleaner restrictor indicator switch (page 4-205).

If vertical intake screen is dirty or clogged, clean screen.

EXHAUST SYSTEM

13. EXHAUST FUMES ENTER CAB.

Check for loose, damaged, and missing components in exhaust system.

If components are loose, damaged, or missing, tighten loose

connections or replace components (pages 4-80, 4-81, 4-85).

If components are not loose, damaged, or missing, notify direct

support maintenance.

14. EXHAUST NOISE EXCESSIVE.

Check for loose, damaged, and missing components in exhaust system.

If components are loose, damaged, or missing, tighten loose

connections or replace components (pages 4-80, 4-81, 4-85).

If components are not loose, damaged, or missing, replace

muffler (4-80).