BOTH BRAKES DO NOT WORK

TM 5-2420-222-20-1

ORGANIZATIONAL TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. ONE BRAKE DOES NOT WORK - CONTINUED

Step 2. Check left (1) or right (2) service brake line for dents or kinks.

a. If left service brake line (1) is dented or kinked, replace (page 2-884).

b. If right service brake line (2) is dented or kinded, replace (page 2-879).

c. If left (1) or right (2) service brake line is not kinked or dented, notify Direct Support Maintenance.

2. BOTH BRAKES DO NOT WORK

Check for air in system, contaminated fluid, and restrictions in hydraulic lines by bleeding hydraulic brake system

(page 2-870).

a. Bleeding procedure removes air from brake system.

b. If air cannot be removed from system, or if fluid is contaminated, notify Direct Support

Maintenance.

3. BRAKES DRAGGING OR RUNNING HOT

Check service brake pedals adjustment (page 2-891).

a. If service brake pedals are improperly adjusted, adjust (page 2-891).

b. If service brake pedals are properly adjusted, notify Direct Support Maintenance.

4. EITHER BRAKE PEDAL MOVES MORE THAN 1-INCH (25.4 mm) WHEN PUSHED FOR ONE MINUTE AFTER

INITIAL APPLICATION

Step 1. Check left (1) and right (2) service brake lines and fittings for external leakage.

a. If left brake line and fittings are leaking, repair (page 2-884).

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