TM-9-2320-283-20-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; ORGANIZATIONAL MAINTENANCE PART 1 OF 3

DECEMBER 1983

TM-9-2320-283-20-1 - Page 195 of 926

TM 9-2320-283-20-1

TROUBLESHOOTING.

2-11.

TROUBLESHOOTING PROCEDURES (Continued).

MALFUNCTION

INSTRUCTION

INDICATION

YES

NO

25.

BATTERIES ARE BEING UNDERCHARGED OR OVERCHARGED.

1

Check condition of

batteries (Refer to

malfunction 18).

2

Check alternator drive

a Loose

Tighten belts

Go to step b.

belts for proper

(para 3-71).

tension

b Damaged

Replace belts

Go to step 3.

(para 3-71).

3

Check all charging

a Loose

Clean and

Go to step b.

circuit wiring and

tighten con-

connections

nections.

b Defective

Repair or

Go to step 4.

replace wiring

(para 3-127 or

3-126).

4

Notify to direct

support maintenance.

2-70