Nexen SPC 837400 User Manual

1FORM NO. L-20095-U-1112Single Post Caliper Brakes

10FORM NO. L-20095-U-1112Figure 9SPRING ENGAGED-DUAL AIR MODEThis mode allows the selection of any value of spring engaged torque (from zero to full s

11FORM NO. L-20095-U-1112MAINTENANCEobSolete three-Port actuator onlyNOTE: The tap bolt beneath the actuator breather cap can be used to physically

12FORM NO. L-20095-U-11121. Manually release the spring actuators (See Figure 11).2. Apply hold-off air pressure. This will remove any tension on th

13FORM NO. L-20095-U-1112Shoe Pins (Item 8)Spring (Item 14)Friction Facing Shoe Assembly (Items 5, 6, and 15)Low Torque Arm (Item 3)High Torque Arm (I

14FORM NO. L-20095-U-1112431819461562224 11109121147/1612138517/20811Figure 1325282934333231302726Figure 14AIR ACTUATORMETI NOITPIRCSED YTQ1 emarF 13

15FORM NO. L-20095-U-11124045424433343231434145OBSOLETE THREE-PORT ACTUATORFigure 15METI NOITPIRCSED YTQ13tuNmaJ123recapS133wercSpaC243rehsaWkcoL253)

16FORM NO. L-20095-U-1112Nexen Group, Inc.560 Oak Grove ParkwayVadnais Heights, MN 55127800.843.7445Fax: 651.286.1099www.nexengroup.comISO 9001 Certi

2FORM NO. L-20095-U-1112Copyright 2012 Nexen Group, Inc.Nexen Group, Inc.560 Oak Grove ParkwayVadnais Heights, Minnesota 55127ISO 9001 CertifiedThis do

3FORM NO. L-20095-U-1112Table of ContentsIntroduction ------------------------------------------------------------------------------------------------

4FORM NO. L-20095-U-1112INTRODUCTIONBEFORE YOU BEGINNexen has introduced a new actuator for SPC Caliper Brake spring-engaged models. The old Three-Por

5FORM NO. L-20095-U-11124. To remove the Q.D. bushing, remove the pull-up bolts and reinsert into the threaded holes in the Q.D. bushing. Tighten the

6FORM NO. L-20095-U-1112air actuator1. Insert the Rod (Item 30), Jam Nut (Item 31), and Spacer (Item 32) into the Actuator (See Figure 3). NoteMount

7FORM NO. L-20095-U-1112FRICTION FACING ADJUSTMENTAdjustment Screw (Item 18)Jam Nut (Item 19)Jam Nut (Item 31)Adjustment Screw (Item 18)Jam Nut (Item

8FORM NO. L-20095-U-11124. Loosen the Jam Nut (Item 19) (See Figure 7). 5. Turn each Adjustment Screw (Item 18) counterclockwise until a 0.79 mm [1/

9FORM NO. L-20095-U-1112AIR CONNECTIONSNoteTighten the Ring Clamp Bolts to 33.7-47.3 Nm [25-35 ft-lb] torque. A Hose Assembly (Item 35) is supplied a