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Caldwell RENFROE SCPA Application, Operation And Maintenance Manual

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Before putting tool in service, take the manual to your supervisor.
MODELS SCPA/SCP CLAMPS
APPLICATION, OPERATION, AND MAINTENANCE MANUAL
Model SCPA
Model SCP
caldwellinc.com
800.628.4263
815.229.5667

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  • Page 1 Before putting tool in service, take the manual to your supervisor. MODELS SCPA/SCP CLAMPS APPLICATION, OPERATION, AND MAINTENANCE MANUAL Model SCPA Model SCP caldwellinc.com 800.628.4263 815.229.5667...
  • Page 2 The RENFROE brand has been trusted and preferred by international lifting clamp users for more than 50 years. They are manufactured by The Caldwell Group, Inc. in Rockford, IL, and sold via a worldwide network of stocking distributors who exemplify the same high-quality performance and service standards RENFROE brand stands for.

  • Page 3: Table Of Contents

    Table of Contents Clamp Operation Do’s and Don’ts Definitions Application Operation Maintenance & Inspection Parts Diagram Prior to selection, operation, and/or maintenance of RENFROE products, read and understand the information provided in this manual. The understanding and use of the definitions are important in determining the limitations and proper application of RENFROE products.

  • Page 4: Clamp Operation Do's And Don'ts

    DON’T use large areas, or capacity clamps personnel. to lift light loads. DO lock clamp DO use clamps closed with lock; within their rated DON’T lift DON’T capacity; with lock in overload clamps. open position. Caldwell Quality. Guaranteed.
  • Page 5 ration Do’s and Don’ts DO use enough DON’T rush— DON’T clamps to lift balance load; more than one DON’T lift loads plate at a time that are not with a vertical balanced. clamp. DO always DON’T lift plate refer to pre-lift horizontally with inspection in a vertical lift...

  • Page 6: Vertical Lift

    Lock Handle Lock Handle Plate 90° Lock Handle Auxiliary Lock Button Lock Handle 180° Plate Lock Handle Caldwell Quality. Guaranteed.
  • Page 7 WARNING: For applications using clamps with serrated gripping surfaces on finished or polished plates, secure written recommendations from CALDWELL/RENFROE. Structural Members Fabricated Sections Unless otherwise specified, clamps described as capable of handling structural members and fabricated sections are limited to hot-rolled steel whose Brinell Hardness does not exceed 300.

  • Page 8: Rated Capacity

    RENFROE clamps is from 0°F (-18°C) to a maximum of 200°F (93°C). The minimum and maximum temperatures apply to both ambient and the material being handled by the clamp. WARNING: Secure written authorization from CALDWELL/ RENFROE before using clamps in temperatures other than shown.
  • Page 9 Definitions Lock Closed An over-center, spring-loaded mechanism in which the spring exerts a force on the gripping cam when the lock handle is moved to the “Lock Closed” position. When the handle is moved to unlocked position, the force exerted by the spring is relaxed and the gripping cam may be retracted by pushing the lifting shackle into body of clamp.

  • Page 10: Locking Screw

    An attempt is made herein to warn against reasonable and reasonably foreseeable danger in the proper use and possible reasonable misuse of CALDWELL/ RENFROE products described in this manual. Designated Person A person selected by the employer or the employer’s representative as being competent to perform those specific duties.

  • Page 11: Application

    Application Model SCPA/SCP Horizontal Lifting Locking Clamp Series The Model SCP clamp is capable of handling steel plates from the horizontal through a 180° arc and may be used for handling plate at rolling and forming machines. Refer to Illustrations on the next page.
  • Page 12 Application Model SCPA with pivoting shackle Model SCPs in action 180° Plates Caldwell Quality. Guaranteed.
  • Page 13 Application WARNING: Do not rig Model SCPA clamps in the manner shown above. The Model SCPA cannot bend in the manner shown because it will damage the clamp. The Model SCPA’s range of motion is 0 to 180° away from the plate, not toward it as shown. caldwellinc.com 800.628.4263 815.229.5667...

  • Page 14: Operation

    F. Inspect condition of body for wear, damage, and distortion, particularly in the area of the jaw opening. G. Inspect lifting shackle and all pin holes for wear and damage. H. Remove any clamp from service in need of repair. Caldwell Quality. Guaranteed.
  • Page 15 Operation STEP 4 The clamp is a component of the rigging used in lifting or transporting a plate. It is important to use safe and adequate rigging. WARNING: Improper or excessively heavy rigging may interfere with the operation of the clamp and its ability to maintain a proper position on the plate.
  • Page 16 Pounds with in Pounds with in Pounds with in Pounds with in Tons Attached Handle 12" Lever 18" Lever 24" Lever — 1 1/2 — — — — — — — — — — — — — — Caldwell Quality. Guaranteed.
  • Page 17 Operation STEP 7 Commence lift. WARNING: The operator should position himself away from and fully clear of the member to be lifted. Do not commence lift until all personnel are clear of the area of the lift. Never stand under or near a member being lifted.

  • Page 18: Maintenance & Inspection

    • Remove any clamp from service in need of repair. Choose Factory Refurbish & Recertification Do you currently offer clamp refurbishing and recertifications? Count on CALDWELL/ RENFROE to handle refurbishments in total for you or to supplement your in-house capabilities. To begin the quote process or learn more about the program, call our customer service department.
  • Page 19 Maintenance & Inspection WARNING: Do not use the clamp if in need of repair. If, during the Every-Lift Inspection, the operator believes the clamp exhibits excessively worn parts or is damaged, the clamp should be inspected by a qualified person who will make a determination as to its fitness to make a lift.
  • Page 20 Further information can be found online or from your RENFROE contact. RENFROE Clamps 101: Repair, Rebuild, or Replace? Know your options when you find a lifting clamp that’s showing wear on the CALDWELL blog here: caldwellinc.com/blog Caldwell Quality. Guaranteed.
  • Page 21 Maintenance & Inspection Model SCPA/SCP Periodic Inspection Procedures STEP 1 Verify the identity of the clamp by checking the identification plate on the clamp body. If the identification plate is missing or not legible, an RFID chip (Radio Frequency Identification Device) is embedded in the clamp body or a clamp component.
  • Page 22 WARNING: Inspect cam jaw body and pin hole for fractures and wear before using reverse side of gripping surface. Replace cam jaws that are worn, have dull or damaged gripping surfaces, or contain fractures. Caldwell Quality. Guaranteed.
  • Page 23 Maintenance & Inspection STEP 8 Spring (SCP-4 in parts diagrams on pages 25 and 26): A. Inspect spring for damage or distortion. B. Inspect spring retaining screws. Both screws must be in place. C. Spring must be in place before installing cam jaw. Spring must be depressed to aid in installing cam jaw pin.
  • Page 24 Use only RENFROE replacement parts to insure maximum efficiency and safety factor originally built into the product. Refer to CALDWELL Customer Service for instructions on ordering replacement parts. WARNING: Do not weld, grind, or modify the clamp body or component parts in any manner.

  • Page 25: Parts Diagram

    Parts Diagram Shackle Assembly Pivoted SCPA-7 Shackle/Cam Jaw Pin SCP-5* (2) Screw Cup SCP-2* Screw SCP-1 Spring SCP-4* Cam Jaw Kit SCP-3* MODEL SCPA EXPLODED VIEW *These parts are included in the RENFROE Repair Kit. Note: Spirol pins and fasteners are included in the kit, or with individual parts if required. Exclusion of Warranty There exists no warranties neither expressed nor implied which extend beyond the descriptions or statements contained in the face or any part hereof.
  • Page 26 *These parts are included in the RENFROE Repair Kit. Note: Spirol pins and fasteners are included in the kit, or with individual parts if required. Download a RENFROE Catalog Download a copy of the most current RENFROE catalog to see the full-line selection here: caldwellinc.com/caldwell-catalog-library Caldwell Quality. Guaranteed.
  • Page 27 FOR OVER 70 YEARS, J.C. RENFROE HAS PRODUCED THE MOST RELIABLE, DURABLE CLAMPS IN THE INDUSTRY In an independent test against two other manufacturers with comparable clamps, J.C. RENFROE proved to be the most durable in horizontal and vertical cycle/fatigue testing. •...
  • Page 28 200 State Street, Beloit WI 53511 800.628.4263 815.229.5667 815.229.5686 (Fax) caldwellinc.com Ask us about in-stock RENFROE clamps! Large selection, ready to ship. OM-920-SCP/A • 092123-2000...

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