TM 5-3805-261-34BRAKES MAINTENANCE. (cont)6-8.AirBrakeControl. (Sheet 4 of 4)ADJUSTMENT (cont)2.Turn brake valve plunger adjust-ment screw (23) after looseningnut (24), until slight drag isfelt when turning roller (19).NOTEDirt and foreign materialbetween pedal stop and cabfloor must be removed toachieve proper pedal adjustment3.Turn setscrew (7) all the waydown after loosening nut (6).4.Pull pedal (22, Figure 6-17) downand hold until solid stop is feltat end of full valve movement.NOTEIf pedal hits floor beforeend of full valve movement,turn valve plunger adjustmentscrew out one full turn.5.Turn valve plunger adjustmentscrew (24), if necessary.6.Turn setscrew (6) out until itjust touches bottom of thread(3).7.Release pedal (22).8.Tighten nut (7). Do not turnsetscrew (6) after nut (7) istightened.9.Tighten nut (23). Do not turnvalve plunger adjustment screw(24) after nut (23) is tightened.NOTEReturn 130G Grader tooriginal equipment condition.End of Task6-30Figure 6-17.
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