TOWED LOAD BRAKES DO NOT OPERATE WHEN PEDAL IS PRESSED; AIR PRESSURE ADEQUATE (M548A1)

COMPRESSOR DOES NOT MAINTAIN AIR PRESSURE (M548A1)Continued - TM-9-2350-247-20-1_464

TOWED LOAD BRAKES DO NOT OPERATE WHEN PEDAL IS PRESSED; AIR PRESSURE ADEQUATE (M548A1)Continued

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 TOWED LOAD BRAKES DO NOT OPERATE WHEN PEDAL IS PRESSED; AIR PRESSURE ADEQUATE (M548A1) 0099 00 INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0541 00, Item 57) Personnel Required Unit Mechanic References See your -10 Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) T 1. Start engine (see your -10). 2. Check for faulty treadle valve (1). 3. While observing air indicator gauge, press brake pedal and release. Pressure should momentarily drop and stabilize. Air will also audibly exhaust from treadle valve (1) as air brake pedal is released. If no needle movement is noted, treadle valve is faulty. 4. Did treadle valve (1) cause needle movement? YES NO TN 1. Stop engine (see your -10). 2. Notify your supervisor. Y 1. Check air lines, tubings, fittings, and coupler to towed load for air leaks. 2. Is brake system free of air leaks? YES NO YN 1. Stop engine (see your -10). 2. Replace faulty parts (WP 0495 00). 3. Verify no faults found. 0099 00-1

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