Figure 3-6.Oil cooler,disassembly and assembly

TM 10-3930-634-34

( 2 ) Test the field coils for an open circuit and

test the starter on the equipment.

grounds with a multimeter and with the field coil as-

starter (TM

the

Remove

c. R e m o v a l .

sembly installed in the starter housing, as instructed

10-3930-634-12).

in TM 5-764. Test between the terminal stud and each

d. Disassembly. Refer to figure 3-10 and disas-

of the four leads of the field coil. If the multimeter

semble starter in numerical sequence.

f a i l s to indicate continuity on any one of the above

e. Cleaning and Inspection.

tests, replace the field coil.

(1) Clean all metal parts with cleaning solvent

(3) Test between the terminal stud and the starter

P-D-68, or equal, and dry thoroughly.

frame. If the multimeter indicates continuity, the

(2) Clean field coils, armature, and insulating

terminal stud is grounded and the insulating washer

parts with a cloth slightly dampened with cleaning sol-

on the insulating bushing must be replaced.

vent P-D-680 and dry with low pressure compressed

g. Reassembly. Refer to figure 3-10 and reassemble

air.

the starter in reverse of numerical sequence.

(3) Inspect all parts for breaks, damage, and wear.

h. Bench Testing.

f. Testing.

(1) No-load test. Connect a 24-volt battery in

(1) Test the armature on a growler for shorts,

series with a load rheostat and an ammeter shunt of a

open circuits, and grounds as instructed in TM 5-764.

c a p a c i t y greater than 50 amperes, and connect this

Replace a defective armature.

3-6