ADJUSTMENT - TM-9-2320-270-20-10500

TM 9-2320-270-20-1

ALTERNATOR DRIVE BELTS - CONTINUED

ACTION

REMARKS

ITEM

LOCATION

ADJUSTMENT

Using 3/4-inch socket, handle, and 3/4-

Nut (3) and bolt (4)

12. Alternator (1) to

inch box wrench, unscrew part way.

mounting bracket (2)

Using 3/4-inch socket, and handle,

Screw (6)

13. Alternator (1) to

unscrew part way.

adjusting link (5)

Using 3/4-inch socket, handle, and 3/4-

14. Alternator adjusting

Nut (8) and bolt (9)

inch box wrench, unscrew part way.

link (5) to adjust-

ing bracket (7)

If alternator belts are too loose, alternator will not charge enough and belts will wear out

too soon. If alternator belts are too tight, alternator bearings will wear too soon.

Pull on alternator (1) hard enough to put

15.

Adjusting link (5)

Alternator (1),

tension on belts (10) and, using 3/4-inch

screw (6), and

to alternator (1)

socket and handle, tighten.

belts (10)

Two alternator

a. Put straightedge across pulleys (11)

Alternator pulley

16.

(11) and drive

and (12).

belts (10)

b. Using rule, push down on belts (10) one

pulley (12)

at a time and measure the amount it

moves.

Each belt should move between 3/8

inch (9.52 millimeter) and 5/8 inch

(15.87 millimeter). if belt moves

too much or too little, loosen screw

and repeat step 14.

Using 3/4-inch socket, handle, and 3/4-

Bolt (9) and nut (8)

17. Alternator adjusting

inch box wrench, tighten.

link (5) to adjust-

ing bracket (7)

Using 3/4-inch socket, handle, and 3/4-

Bolt (4) and nut (3)

18. Mounting bracket

inch box wrench, tighten.

(2) to alternator (1)

4-226