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!To increase air gap, turn adjustingscrew (10) counterclockwise.AIR GAP ADJUSTMENTSeries 56,900As friction disc wear the air gap will increase. When plunger gets to the reset position, the air gap must be adjusted.Air Gap Settings*tTorque(lb-ft) 56,X00 Series1.5, 3 & 6 .385 – .03010 & 15 .450 – .03020 & 25 .500 – .030*For reference only"To decrease air gap, turn adjustingscrew (10) clockwise.clockwise!Remove brake housing.FRICTION DISC REPLACEMENTSeries 56,900"Remove support plate screws andlift support from brake.counterclockwisecounterclockwisecounterclockwise(Remove and discard oldfriction disc.'Install new friction disc(s) andstationary disc(s) as shown.&Reposition support plate on endplateand tighten mounting screws to 55 in-lb.Reposition housing and% tighten nuts to 8 in-lbs.*For brakes with vertical springs see page 5.clockwiseclockwise3
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