INSPECT FOUR SHOE POLES - TM-9-2835-255-340745

TN 9-2835-255-34

STARTER MOTOR REPAIR (Sheet 4 of 12)

1. INSPECT FOUR SHOE POLES (1) AND

FRAME (2) FOR CRACKS OR BREAKS.

INSPECI' WINDING (3) FOR CRACKS,

BREAKS, BURNED INSULATION,

BROKEN WIRES, OR STRIPPED THREADS

ON STUD (4). REPLACE AS REQUIRED.

2 REMOVE AND INSPECT SPACER

WASHER (5) FOR DAMAGE. REPLACE AS

REQUIRED.

NOTE

Do steps 3 and 4 for each bar riser (6). If armature

(7) is damaged, assemble starter motor (page 9-37)

and replace.

3. PUT ARMATURE (7) IN GROWLER (8).

PUT BLACK NEGATIVE PROBE (9) ON

ARMATURE CORE (10) AND RED PROBE

(11) ON RISER (6). IF LIGHT ON

GROWLER (8) LIGHTS, ASSEMBLE

STARTER MOTOR (PAGE 9-37) AND

REPLACE.

4. PUT BLACK PROBE (9) ON SHAFT (12)

AND RED PROBE (11) ON RISER (6). IF

LIGHT ON GROWLER (8) LIGHTS,

ASSEMBLE STARTER MOTOR (PAGE 9-37)

MOTOR AND REPLACE.

5, TEST ARMATURE (7) FOR SHORT

CIRCUITS.

NOTE

Short circuit in armature (7) will pull hacksaw

blade against core (10) and cause blade to vibrate.

a, With growler (8) turned on, hold hacksaw

blade about l/32-inch (0.794 mm) away

from armature (7).

b. Turn armature (7) slowly. If blade is

pulled against core (10), assemble starter

motor (page 9-37) and replace.

INSPECT SHAFT SPLINES (13) FOR

DAMAGE. IF DAMAGED ASSEMBLE

STARTER MOTOR (PAGE 9-37) AND

REPLACE.

INSPECT CONTACT SURFACE (14) FOR

ROUGH SURFACE, PITS, BURNS, OR

HARD CARBON OR OIL COAT. IF

DAMAGED, DO STEPS 8, 9, AND 10.

Go on to Sheet 5

9-31