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Joyce/Dayton Corp

Operation and Maintenance Manual for Joyce/Dayton

Machine Screw ComDRIVE® Actuators

The recommendations in this manual for installation, operation and maintenance must be followed to ensure safe

use. All persons responsible for the installation and use of Joyce ComDRIVE® actuators must be familiar with the

contents of this manual.

The customer is responsible for travel stops, guards and other protective devices and ensuring that ComDRIVE®

usage conforms with local and national operating and safety codes appropriate to the class of equipment into which

the ComDRIVE® is installed. Series DCD ComDRIVES® are not self-locking. A brake motor or other external

locking device must be provided.

Adjustable stop collars are included on standard ComDRIVE® actuators. The customer is responsible for providing

travel limits.

Summary of content (10 pages)

PAGE 1
Joyce/Dayton Corp. Operation and Maintenance Manual for Joyce/Dayton Machine Screw ComDRIVE® Actuators The recommendations in this manual for installation, operation and maintenance must be followed to ensure safe use. All persons responsible for the installation and use of Joyce ComDRIVE® actuators must be familiar with the contents of this manual.
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Table of Contents Section I – General Information 1-1 1-2 1-3 1-4 1-5 1-6 Contact Joyce Dayton Corp ...................................................................................................2 Purpose and Scope .................................................................................................................2 Receipt of Product ...................................................................................................................2 Warranty ................................
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replaced by seller, will be returned to buyer freight collect. This warranty is not intended to cover consumer products, as defined in the Magnuson-Moss Warranty-Federal Trade Commission Improvement Act, 15 U. S. C. Sections 2301-12, which are purchased by buyer for purposes other than resale.
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7. 8. 9. 10. Never pull the screw to one side to make connection with your structure. Fully extend the actuator to make sure the load is aligned with the lifting screw. All ComDRIVE® actuators are designed to be mounted with S.A.E. Grade 8 bolts or equivalent. Torque all mounting bolts in a symmetric pattern to avoid damage to the sleeve. Shaft and coupling guards are the responsibility of the user. Optional limit switches furnished with the actuator are NOT preset and require field adjustment before use.
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COMPANY BRAND NAME Mobil Oil. ……………………….Mobil 600W Cylinder Oil Mobil Oil….………………….….Mobil 85W100 3. Synthetic lubricants are also recommended, especially under severe service. These lubricants are more viscosity/temperature stable and provide service over a broad range of temperatures. These lubricants have a longer service life, require fewer oil changes and increase the life of the gearbox by reducing friction and wear.
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Disassembly Procedure for KFTN (rotating screw) Models: see Figure 3-1 1. 2. 3. 4. 5. 6. Remove the boot clamps (item #33) and collapse boots (item # 34) if the jack is equipped with boots. Remove the traveling nut (item # 35) from the screw. Loosen the (4) set screws (item # 5) in the sleeve cap and remove the sleeve cap by rotating counter-clockwise (CCW.) The screw assembly can now be removed from the jack sleeve.
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5. 6. 7. 8. 9. Inspect the keyway on the worm (item # 10) and roll the worm on a flat surface to look for wobble in the shaft. Threads on the worm should not show an excessive buildup of bronze gear material. Replace all seals when a complete disassembly is done. Inspect Aluminum-Bronze wormgear (item # 3) for signs of excessive wear. Check boots (item # 34) for wear or cracks Inspect lifting screw (item # 7) for straightness. 2-5 Assembly of ComDRIVEs® 1.
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Section III Views & Parts List 3-1 Exploded View 8
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3-2 Parts List – Translating and KFTN ComDRIVEs® Table 3-2 Parts list Item Translating or Keyed for Non-rotation Item KFTN- Keyed For Traveling Nut 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 Sleeve Thrust Bearing Nut (Wormgear) Sleeve Cap Sleeve cap set screw (4) Grease Fitting Jack Screw Screw Stop Pin or Set Screw Worm (Input Shaft) Worm Shaft Bearing (2) Shims Bearing Cap (1) Adapter Cap Worm Shaft Seal (2) Bearing Cap Screw (3-4) Adapter Lock
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3-3 Maintenance Log and Serial Number Date Maintenance Performed Initials Serial #_______________________________________________ Contact Joyce/Dayton Corp. and provide the serial number to obtain product information needed for maintenance, repair and reorder. Joyce/Dayton Corp P.O. Box 1630 Dayton, Ohio 45401 Phone (800) 523-5204 (U.S. & Canada); (937) 294-6261 Fax (937) 297-7173 www.joycedayton.com E-mail: sales@joycedayton.