Duff-norton Machine Screw Rotating 500lb - 1 Ton Manual de usuario

Installation, Operating andMaintenance InstructionsWith Parts ListPublication Part No. SK-2389-R1RotatingMachine ScrewActuators 1/4 Through 1-Ton Capa

103-2. Parts List for 1/4, 1/2 and 1-Ton Rotating Machine Screw ActuatorsINDEX QTY.NO. PART NAME REQ.1 Screw, Set 22 Cap, Shell 13 Shell, Unit

11Figure 3-1. Exploded Illustration 1/4, 1/2 and 1-Ton Rotating Machine Screw ActuatorsFor Inverted Model See Detail A

P.O. Box 7010Charlotte, NC 28241-7010General Office (704) 588-0510Customer Service (800) 477-5002Customer Service (704) 588-4610FAX (704)588-1994SK-23

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

3General Information1-1. GeneralThis manual contains maintenance instructions for DuffNorton 1/4 through 1- ton rotating machine screw actua-tors. It

41-4. DimensionsNote: Housing Dimensions and Base Configurations vary.Table 2. Upright ModelsNote: Dimensions are subject to change without notice.Mod

51-5. Important PrecautionsTo ensure that Duff-Norton actuators provide reliableservice over a period of years, the following precautionsshould be tak

6should be protected by some means such as a boot.NoteRotating screws should never be run dry. Inspectfrequently at regular intervals to be certain th

7NoteIf necessary, tap bearing loose with a soft facehammer. 5. Remove bottom load bearing (8), which may beattached to either shell (3) or gear (6).

8Figure 2-1. Expansion Plug Replacementother worm bearing on end of worm shaft, insertother worm shaft end through worm housing, taplightly to positio

9Section IIIIllustrated Parts List3-1. GeneralThis section contains an exploded illustration of the1/4,1/2 and 1-Ton rotating machine screw actuators