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 170 of 1176

TM 9-2320-361-24-1

0010 00

0010 00-10

COMPRESSED AIR AND BRAKE SYSTEM TROUBLESHOOTING (Contd)

Table 2. Service Brakes Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

4. BRAKES DRAG

1. Check brake pedal (1) for free

travel. Free travel should be

0.25–0.5 in. (6.35–12.7 mm).

2. Check hydraulic brake lines (2) for

bends, kinks, or restrictions.

3. Check service brakeshoes for

proper adjustments (WP 0168 00).

4. Check service brake hydraulic fluid

for contamination.

5. Perform master cylinder (3)

internal leakage test (WP 0170 00).

Adjust brake pedal (1) free travel

(WP 0174 00).

If hydraulic brake lines (2) are bent,

kinked, or restricted, replace

(WP 0175 00).

If brakeshoes are not properly

adjusted, adjust (WP 0168 00).

If fluid is contaminated, flush entire

brake system (WP 0172 00).

1. If master cylinder (3) is leaking

internally, replace (WP 0170 00).

2. If master cylinder (3) is good and

malfunction still exists, replace

air-hydraulic cylinder (4)

(WP 0171 00).

3

2

1

4