TM 9-2320-289-20
4-3.
ALTERNATOR, BELT, AND PULLEY REPLACEMENT (M1010) (Con’t).
b.
INSTALLATION
1.
2.
3.
4.
5.
6.
7.
8.
9.
NOTE
If installing belt (4 or 14), perform steps 6-9.
If installing alternator pulley (3 or 13), perform step 2.
If installing lower alternator (17), perform steps 3 and 5 through 9.
If installing upper alternator (2), perform steps 4-9.
Using metric socket, install stud (20) on engine block through fuel line clamps (21). Position
mounting bracket (19) on stud and install with nut (18) and two studs (12) if removed.
Place alternator (2 or 17) in soft-jawed vise. Install alternator pulley (3 or 13) with retaining nut
(5 or 15). Tighten retaining nut to 25-30 Ib.-ft. (34-41 N•m), and remove alternator from vise.
Position lower alternator (17) on mounting bracket (19) and install with two pivot bolts (16). DO
NOT tighten bolts. Position adjusting bracket (8) on studs (12) and install with two adjusting
bracket mounting nuts (9). Place washer (10) and adjusting bolt (11) through adjusting
bracket, and install on lower alternator. DO NOT tighten bolt.
Install upper alternator (2) on mounting bracket (19) with two pivot bolts (1). DO NOT tighten
bolts. Install upper alternator on adjusting bracket (8) with washer (7) and adjusting bolt (6).
DO NOT tighten bolt.
Connect battery leads and terminal plugs.
Position belt (4 or 14) on alternator pulley (3 or 13).
CAUTION
Ensure that belt (4 or 14) tension is correct. A belt too loose or too tight
can cause damage to alternator (2 or 17) and belt.
Rotate alternator (2 or 17) until belt (4 or 14) appears tight. Tighten adjusting bolt (6 or 11) and
pivot bolts (1 or 16).
Connect both battery negative cables. (See
crossover pipe. (See paragraph 3-34)
Using belt tensioning gage, check belt tension.
paragraph 4-38)
(See Appendix E)
Connect heater hose to
4-8
