Nexen RB15 User Manual
Also see for RB15: User manual
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7FORM NO. L-21326-G-0819ALIGNMENT VERIFICATION1. With the shims still in place, mounting boltstightened, and brake disengaged, run the brake thefull length of machine travel. If an alignment issueexists, the brake will drag at those spots where thereis misalignment.2. If an alignment issue is found re-adjust the rail perthe manufacture’s recommendations.3. Remove shims.4. Again by hand, run the brake the full length travelof the machine. NO drag should be felt betweenthe facing and rail. If drag is experienced, repeatalignment steps.Bearing*Rail*Table*Socket HeadCap Screws*RailBrakeDatumPlaneBase*MountingShoulder*Customer SuppliedFigure 7Friction facing gap adjustment should not be necessaryas the gap is factory set to accommodate standard railsizes and types. Before attempting to adjust the facinggap. Ensure the mounting and alignment processes arecomplete.1. Disengage Brake.2. Cut the label between the housing and the guideusing a straight edge. Leave the label in place so itcan act as a reference to the original position.3. Adjust the position of the facing by turning theguides on each side of the unit counter clockwise.Notes regarding adjustment:a. Make sure each side is turned an equal amount.Failure to do this could cause misalignment.b. 1/8 of a turn is equivalent to approximately.127mm(.005in). There should be no need toadjust more than this amount.4. Repeat mounting and alignment verification steps.FRICTION FACING GAP ADJUSTMENTFigure 9Figure 8 Nexen LabelRail BrakeGuideWARNINGTo achieve rated holding force the railbrake must maintain a close fit betweenthe facing and the rail (Under .127mm[.005in]). Adjusting the brake tohave a gap wider than this will causeperformance reductions. |
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