Duff-norton SK6905-200 Manuale Utente

CAUTIONThis manual contains important information for the correct installation, operation and maintenance of theequipment described herein. All perso

10Figure. 4-2 Brake Coupling Alignment DC Unit

11Figure 5-1. Exploded Illustration DC ActuatorWarningUse only replacementparts supplied by or ap-proved by Duff-Norton.Non-authorized parts maybe ina

12Index Qty.No. Part Name Req. Part No.1 Screws 4 H-29792 Switch Cover 1 SK-6905-22 Switch Cover(Optional Pot. Unit) 1 SK-3608-343 Switch Cover Gasket

13Section VITechnical Illustrations6-2. Limit Switch AssemblyFigure 6-2. Limit Switch Assembly DC ActuatorFigure 6-1. Limit Switch Wiring Diagram, DC

14Notes

15Notes

16P.O. Box 7010Charlotte, NC 28241-7010General Office (704) 558-0510Customer Service (800) 477-5002FAX (704) 588-1994Email: [email protected]

2ContentsSection I General Information ...31-1. Gener

3Section IGeneral Information1-1. GeneralThis manual provides instructions for the installation, op-eration and maintenance of the Duff-Norton 3905, 3

4Figure 1-5. Dimensions and Specifications05101520253025020015010050Load lbs (kg)Current Draw (amperes)(23)(45) (68)(90)(113)0100015002000250030002502

5Section IIInstallationFor Units With Potentiometer2.3 Potentiometer Installation1. Loosen pot locknut and remove from actuator.2. For best accessibi

66. With this set-up, potentiometer will have increasingresistance from S to CCW (and deccreasing resis-tance from S to CW) as the actuator extends.2-

7NOTEDisassembly should be accomplished on a clean cloth.lating tube (50) wall. Do not drive pins against ODof screw (46). Remove nut (48) with screw

8equivalent) to OD of bushing (34) and install in hous-ing (22). Assemble into housing (22) end oppositeside of housing with 4 holes for mounting moto

9(41) into housing (22) against bearing (39). Torquein place at 40 ± 10 foot pounds.28. Spot drill outer tube (41) through set screw hole(use drill sl