Starting Motor Reassembly

d. Before installation, disconnect motor field coil

6-8. Starting Motor Reassembly

connector from solenoid terminal and INSULATE

a. Refer to figure 6-5 to reassemble starting motor.

CAREFULLY.

b. When installing drive assembly (19) on armature,

e. Connect 12 volt battery with positive lead to S

place spring (21) and drive assembly (19) on shaft of

terminal of solenoid, and negative lead to motor frame.

armature (15). Slide retainer (18) onto shaft with

Momentarily flash a jumper from solenoid M terminal to

cupped side out. Force retaining ring (17) over end of

solenoid frame. This will shift pinion of drive assembly

shaft and position it in groove provided. Position thrust

(19) into cranking position and it will remain in this

collar (16) on shaft against retaining ring. Use two pairs

position until battery is disconnected.

of pliers to force thrust collar over ring.

f. Push drive assembly pinion back toward

c. If brushes have been replaced, seat them using

commutator end to eliminate slack movement and

No. 00 sandpaper before assembling end bell (2). Blow

measure distance between drive assembly pinion and

brush particles off commutator so that they will not

retainer (18). Pinion clearance must be 0.010 to 0.140

cause short circuits.

inch. Recheck assembly if clearance is not within

required range. Disconnect battery and reconnect field

terminal to solenoid.

6-7