BRAKES AND AIR SYSTEM

TM 5-2420-224-34

Table 2-1. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

TRANSMISSION (CONT)

13. PTO WILL NOT ENGAGE OR EXCESSIVELY NOISY.

Step 1.

Check PTO control linkage adjustment.

Adjust PTO control linkage (page 3-81).

Step 2.

Check for PTO and transmission gear damage.

Repair PTO (page 15-70) and/or transmission (page 15-1).

14. FRONT AXLE PROPELLER SHAFT WILL NOT TURN.

Step 1.

Check for loose or sheared propeller shaft mounting bolts.

Tighten, or replace propeller shaft mounting bolt(s) (page 3-102).

Step 2.

Check for broken or damaged U-joints.

Replace U-joint(s) (page 3-103).

15. TRANSMISSION GEARS NOISY DURING SHIFTING.

Step 1.

Remove top cover (page 3-86) and inspect for damaged shift forks.

Repair top cover (page 15-54).

Step 2.

Disassemble transmission (page 15-1) and check for damaged transmission

gear synchronizers.

Repair transmission (page 15-1).

BRAKES AND AIR SYSTEM

16. DUAL BRAKE GAGE IN CAB WILL NOT INDICATE CORRECT PRESSURE.

NOTE

Perform the following steps after verifying air compressor is operating.

Step 1.

Check for correct fluid regulating valve operation as follows: