FOLLOW-ON TASKS - TM-9-2320-289-20

7-7. BRAKE SHOE AND WHEEL CYLINDER REPLACEMENT

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 7-6. SERVICE BRAKE SYSTEM BLEEDING INSTRUCTIONS (Con't). NOTE If bleeding rear brakes, it may be necessary to depress brake pedal 8-10 times before seeing first sign of bubbles. 5. 6. 7. 8. Have an assistant depress brake pedal. Loosen bleeder valve (6 or 9) to bleed air from caliper (5) or wheel cylinder. Open bleeder valve and observe brake fluid for bubbles. Tighten bleeder valve, then slowly release brake pedal. Wait 15 seconds, then repeat step 5 until brake fluid flows free of bubbles. Remove hose and install cap (7 or 10). Fill master cylinder reservoir to proper level, (See LO 9-2320-289-12) FOLLOW-ON TASKS: • Check brake pedal for “sponginess” and brake system warning light for indication of unbalanced pressure. • Check operation of brakes, • Check for leaks. TA49664 7-13

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