TM 10-3930-653-14&P INCHING (BRAKE) PEDAL ADJUSTING PROCEDURE 1. Release the parking brake. 2. Jack up the front of truck so that the front wheels can rotate freely, and block the rear wheels. 3. Adjust the upheight of the right and left pedals for 110 to 120 mm (4.3 to 4.7 in). 4. Install an oil pressure gauge (0 to 20 kg/cm2 capacity) on the F port of the transmission control valve. 5. Start the engine, and place the change lever in forward. 6. Run the engine at 1500 rpm, and while the left side pedal is being pressed approx. 2 mm (0.08 in) turn the turn buckle clockwise until the oil pressure begins to decrease. 7. Run  the  engine  at  idle  rpm  (650  rpm),  and  place  the  change  lever  in  neutral.    Press  the  right  side  pedal approximately 60 mm (2. in) holding it adjust the push rod length so that the push rod of master cylinder contacts the piston. 8. Extend the Interlocking bolt until it contacts the round bar of the right side pedal. Fig. 4-229. 4-146