TM-9-2320-361-24-1

2-1/2 TON, 6X6, M44A2 SERIES TRUCKS

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE PART 1 OF 2

AUGUST 2006

TM-9-2320-361-24-1 - Page 694 of 1176

TM 9-2320-361-24-1

0084 00

0084 00-2

ALTERNATOR BELTS MAINTENANCE (Contd)

REMOVAL

1.

Loosen screw (9) and nut (2) on alternator adjusting arm (1).

2.

Remove two cotter pins (6) and loosen front and rear locknuts (7). Discard cotter pins (6).

3.

Rotate alternator (12) toward engine (11) and remove two alternator belts (4) from alternator

pulley (8), water pump pulley (3), and vibration damper (5).

INSPECTION

Inspect two alternator belts (4) for cracks, fraying, and splits. Replace if cracked, frayed, or split.

INSTALLATION AND ADJUSTMENT

NOTE

Alternator belts are a matched set.

1.

Install two alternator belts (4) on vibration damper (5), water pump pulley (3), and alternator

pulley (8).

2.

Position suitable prybar (10) between engine (11) and alternator (12). Pull prybar (10) down until

belts (4) appear tight.

3.

Place straightedge (13) across alternator pulley (8) and water pump pulley (3) and check for

0.75 in. (19.05 mm) deflection on alternator belts (4).

4.

Tighten screw (9) at adjusting arm (1) 15–20 lb-ft (20–27 N

•

m).

5.

Tighten nut (2) at adjusting arm (1) 25–31 lb-ft (34–42 N

•

m).

6.

Tighten two locknuts (7) and install two new cotter pins (6). Tighten locknuts (7) 33–42 lb-ft

(45–57 N

•

m).

7.

Connect battery ground cable (WP 0126 00).

8.

Start engine (TM 9-2320-361-10) and check if battery-generator indicator is in green area.

9.

Lower and secure hood (TM 9-2320-361-10).

10.

Release parking brake and remove wheel chocks (TM 9-2320-361-10).

3

2

1

9

8

6

5

7

4