Table 2. Service Brakes Troubleshooting Procedures

TM 9-2320-361-24-1

0010 00

COMPRESSED AIR AND BRAKE SYSTEM TROUBLESHOOTING (Contd)

Table 2. Service Brakes Troubleshooting Procedures (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. Check brake pedal (1) for free

Adjust brake pedal (1) free travel

4. BRAKES DRAG

travel. Free travel should be

0.250.5 in. (6.3512.7 mm).

2. Check hydraulic brake lines (2) for

If hydraulic brake lines (2) are bent,

bends, kinks, or restrictions.

kinked, or restricted, replace

3. Check service brakeshoes for

If brakeshoes are not properly

proper adjustments (WP 0168 00).

adjusted, adjust (WP 0168 00).

4. Check service brake hydraulic fluid If fluid is contaminated, flush entire

1. If master cylinder (3) is leaking

5. Perform master cylinder (3)

internally, replace (WP 0170 00).

internal leakage test (WP 0170 00).

2. If master cylinder (3) is good and

malfunction still exists, replace

air-hydraulic cylinder (4)