Renfroe SCP Series Application, Operation And Maintenance Manual Download Page 1 | Manualshive

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WARNING:
Before putting tool in service,
take to your immediate
supervisor.

Model SCP/SCPA Clamp
Application, Operation and Maintenance Manual

OM 616-SCP/A

RENFROE

Model SCP

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Summary of Contents for SCP Series

Page 1: ...WARNING Before putting tool in service take to your immediate supervisor Model SCP SCPA Clamp Application Operation and Maintenance Manual OM 616 SCP A RENFROE Model SCP ...

Page 2: ...INCORPORATED of Jacksonville Florida has been an international leader in the manufacture and mar keting of Lifting Clamps for over fifty years RENFROE products are manufactured in Jacksonville Florida A worldwide network of stock ing distributors provides a readily available source of supply and service J C RENFROE SONS INCORPORATED Jacksonville Florida 32201 Telephone 904 356 4181 Toll Free 1 800...

Page 3: ...CIFICALLY AND PARTICULARLY CONTAINED HEREIN PLEASE REFER TO THAT STATEMENT FOR REPRESENTATIONS AND WARRANTIES OF PRODUCTS MANUFACTURED BY J C RENFROE SONS INC WARNING Prior to selection operation and or maintenance of RENFROE products read and understand the infor mation provided in this manual The understanding and use of the Definitions are important in determining the limitations and proper app...

Page 4: ......

Page 5: ...t light loads 9 DO Use an adequate number of clamps to balance load DON T lift loads that are not balanced 10 DO Use clamps within their rated capacity DON T overload clamps 11 DO Inspect clamp before each lift follow inspection and maintenance in structions outlined in this manual and use RENFROE replacement parts to assure proper operation of the clamp 12 DON T Use clamp that has been overloaded...

Page 6: ...tes positioned horizontally to the floor level The rigging attached to clamps is generally multi legged slings with the connecting point of the slings being approximately centered between the distance separating the clamps Refer to illustrations shown below WARNING The capacity of all hori zontal clamps is based on a sling angle of sixty degrees 60 See illustration below Sling angles less than six...

Page 7: ... clamp on a member whose thickness is less than or greater than the range of jaw opening stenciled on the clamp OPERATING TEMPERATURES Un less specified under the Application Section of the individual model the approved operating temperature of RENFROE clamps is from zero de grees Fahrenheit 18 Celsius to a maximum of 200 degrees Fahrenheit 93 degrees Celsius The minimum and maximum temperatures a...

Page 8: ...KING WEDGE is a fluted steel wedge that is driven in place with a hammer The body of the wedge is positioned in a slot in the clamp body with the fluted edges contacting the member to which the clamp is being attached Refer to Operation Section of specific models of the Locking Wedge clamps for additional details Typical Locking Wedge clamps are Model A1 B1 B2 and PB LOCKING SCREW Lock Screw clamp...

Page 9: ...r form those specific duties QUALIFIED PERSON A person who by possession of a recognized degree in an applicable field or certificate of professional standing or who by extensive knowledge training and experience has successfully demonstrated the ability to solve problems relating to the subject matter at hand ...

Page 10: ...nesses of material and attach the clamp to members being lifted The model SCPA has the same capabilities as the SCP except the SCP is limited to 10 degrees side loading on the shackle The SCPA incorporates a pivoting shackle permitting 90 degrees side loading Re fer to Definition Pages for explanation of Screw Locking clamp The clamp features a spring loaded pivoting cam jaw that cams in when a lo...

Page 11: ...WARNING Refer to the sections on operation and maintenance for the approved procedures in the operation and maintenance of this product ...

Page 12: ...lifting Warning Do not rig SCPA clamps in the manner shown above OPERATION SCP SCPA Step 1 Before using any RENFROE clamp refer to the Application Section to confirm that the operation to be undertaken is an appropriate application for this prod uct ...

Page 13: ...arp and free of foreign matter Screw cup mounted in screw should turn freely D Screw should turn freely Inspect for wear and damage E Spring must hold cam jaw in Centered position parallel to the screw WARNING Do not use clamp unless spring is in place and is holding the cam jaw parallel to length of screw D Inspect condition of body for wear and damage particularly on the inside of jaw opening E ...

Page 14: ...On model SCP position clamp so direction of force applied by crane is in line with the lifting shackle WARNING On model SCP never exceed ten degrees side loading Refer to Photographs B C D and E ...

Page 15: ...then an additional 1 4 turn Do not over tighten Refer to Photograph G and Chart H WARNING Apply required torque on screw do not over tighten CHART H Required Torque On Screw For Model SCP A SP Clamps Operator Operator Operator Capacity Operator Force Force In Force In Force In In In Pounds With Pounds with Pounds With Pounds With Tons Attached Handle 12 Lever 18 Lever 24 Lever 1 2 40 21 14 1 1 2 4...

Page 16: ...ce and loosen screw Lift clamp from plate Step 9 Inspect clamp remove from service if in need of repair WARNING In the event the stenciling is work and not legible or the tag containing the model capacity and other pertinent information is miss ing do not use the clamp until it has been properly labeled Renfroe will replace at not charge Inspection Kits are available at no charge by request from a...

Page 17: ...mited to the following Every lift Inspection A visual inspection by the operator before and after each lift made by the clamp A Check the clamp to be certain the Identification and warn ing tags are present and legible B Do not use the clamp if the tags are missing or illegible C Inspect gripping surfaces for wear and defects Gripping surfaces must be sharp and free of foreign matter Screw cup mou...

Page 18: ...s the clamp exhibits excessively worn parts or is damaged the clamp should be inspected by a qualified person who will make a de termination as to its fitness to make a lift At this time the condi tion of the clamp should be noted and recorded After inspec tion by the qualified person it may be decided that a periodic inspection procedure is necessary Periodic Inspection A recorded inspection by a...

Page 19: ...he parts replaced After the replacement of worn parts clamps need not be load tested Repair replacement of damaged parts During a repair in which parts are replaced due to damage a record should be made of the repair At this time the clamp should be marked with the following information as per the ASME B30 20 requirements Name and address of the repairer Repairer s unit identification Clamp weight...

Page 20: ...tecting indications on the clamp If an indication is found it may be necessary to use a magnetic particle ultrasonic or similar methods for determining damage to the clamp or components B Inspect inside surfaces of body side plates that come in contact with shackle and shackle yoke for wear and damage C Inspect all pin holes for wear and elongation D Inspect inside of jaw opening for displaced met...

Page 21: ...te screw cup 360 degrees to make certain that the set screws do not bind on screw cup Refer to exploded view D Attempt to remove screw cup from screw Spirol pin will prevent removal when properly positioned WARNING Replace worn dull or damaged screw cups Step 7 CAM JAW SCP 3 A Inspect cam jaw for fractures damage and wear Serrations must be sharp and free of imperfections and foreign matter B Chec...

Page 22: ...SEMBLY SCP 6 and SCPA 7 A Inspect lifting shackle eye for elongation and wear at point where the eye engages sling attachment B Inspect shackle pin hole for wear and elongation C Inspect shackle body for bending D SCPA 7 Inspect shackle yoke for damage wear and distortion particular ly in the area where the shackle yoke engages the side plates of the clamp body Refer to exploded view E SCPA 7 Insp...

Page 23: ...component parts WARNING All retaining pins and fasteners must be in place GENERAL RENFROE products may be returned to the factory for inspection and refur bishment in accordance with an established fee schedule Use only RENFROE replacements parts Refer to RENFROE catalog for in structions on ordering replacement parts WARNING Do not weld grind or modify the clamp body or component parts in any man...

Page 24: ......

Page 25: ...ICH EXTEND BE YOND THE DESCRIPTIONS OR STATEMENTS CONTAINED IN THE FACE OR ANY PART HERE OF J C RENFROE SONS INC P O Box 4279 1926 Spearing Streeet Jacksonville Florida 32206 Phone U S A Toll Free 800 874 8454 in Florida 904 356 4181 Facsimile 904 354 7865 Internet www jcrenfroe com ...

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