Starter drive clutch fails to shift.

TM 9- 2920- 232- 34&P / TO 38X14- 2- 32

- -

TROUBLESHOOTING INSTRUCTIONS - CONTINUED

0005 00

TABLE 2- 1. TROUBLESHOOTING

MALFUNCTION

PROBABLE CAUSE(S)

CORRECTIVE ACTION

4. Starter produces excessive noise

a. Lack of lubrication.

Lubricate the bearings.

when operated.

b. Defective bearings.

Disassemble starter and replace

bearings, if defective.

Loose pole shoes.

Tighten loose pole shoe screws.

d. Loose housings.

Tighten all housing attaching screws.

5. Starter drive clutch fails to shift.

a. Defective solenoid assembly. Check for operation of solenoid by

placing a jumper from BAT terminal

to S terminal. If solenoid does not

operate, replace solenoid assembly.

b. Loose adjustment nut.

Remove inspection plug and check

adjustment nut. If loose, replace and

adjust pinion clearance.

Binding in shift lever or drive

Remove lever housing assembly and

clutch.

check for defective lever, shaft or

drive clutch. Replace as required.

6. Pinion will not override.

Defective drive clutch assembly.

Remove defective drive clutch

assembly and install a replacement

part.

7. Starter vibrates during operation. Worn or damaged bearings.

Remove commutator end plate and

armature. Inspect brushes and check

brush spring tension. Install new

brush kit if any of these parts are

defective.

8. Excessive arcing of brushes.

a. Worn, binding, or broken

Remove commutator end plate and

brushes or defective springs. armature. Inspect commutator. Clean

commutator or resurface commutator

as necessary.

b. Commutator is scored,

Remove commutator end plate and

pitted, or dirty.

armature. Inspect commutator. Clean

commutator or resurface commutator

as necessary.

Eccentric commutator.

Remove armature and check

eccentricity. Resurface commutator

or replace armature.

d. Commutator mica not

Remove armature and inspect

undercut properly.

commutator. Undercut mica. if

necessary.

0005 00- 7