c. VALVE ADJUSTMENT

7-10. REAR BRAKE LINES AND PROPORTIONING VALVE REPLACEMENT AND ADJUSTMENT (Cont) - TM-9-2320-289-20_422

/.25ton/TM-9-2320-289-20 CUCV Series Trucks at Unit level Manual
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TM 9-2320-289-20 7-10. REAR BRAKE LINES AND PROPORTIONING VALVE REPLACEMENT AND ADJUSTMENT (Con’t). 11. Connect brake pipe (2) screw (11). 12. Position brake pipe (2) (4). Connect fitting (1) to brake pipe. c. VALVE ADJUSTMENT to proportioning valve (7). Install clip (10) on brake pipe and install with along frame. Install 3 clips (3) on brake pipe and install with 3 screws 1. Perform step 9 of REMOVAL as required. 2. Position “D”-shaped hole of proportioning valve adjustment gage (19) over “D” -shape of proportioning valve (7) shaft, Rotate shaft until tang (15) can be positioned in proportioning valve lower mounting hole. 3. Perform step 4 of INSTALLATION. 4. Cut tang (15) off of proportioning valve adjustment gage (19). FOLLOW-ON TASKS: • Remove jack stands and lower truck as required. • Bleed brake system. (See paragraph 7-6) • Check operation of brakes. TA49680 7-32

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