Related Manuals for Renfroe S Series
Summary of Contents for Renfroe S Series
- Page 1 WARNING: Before putting tool in service, take to your immediate supervisor. RENFROE Model S Clamp Application, Operation and Maintenance Manual OM 211-S...
- Page 2 This Operator’s Manual covers the Application, Operation and Maintenance of this RENFROE product. Operator’s Manuals for other current RENFROE products are available upon request. Direct Requests to J.C. Renfroe & Sons, Inc., Jacksonville, Florida 32201. J.C. RENFROE & SONS, J.C. RENFROE & SONS,...
- Page 3 DESCRIBED OR CONTAINED HEREIN. 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 appli- cation of RENFROE products.
- Page 5 2. DO Consult Operator’s Manual or RENFROE when in doubt. 3. DON’T Lift over workmen DON’T lift over Safety Areas or personnel. 4. Do attend a factory training class for establishing proper use of Renfroe Products. 5. DO Lock clamp closed before lifting load. DON’T lift with lock in open or “Lock Open”...
- Page 6 For applications not covered by the above information, secure written rec- ommendations from RENFROE. FINISHED AND POLISHED PLATES: Steel plates in this category have other than hot-rolled surfaces such as stainless steel, etc., are generally han-...
- Page 7 RENFROE. RENFROE before using clamps in temperatures other than shown. RATED CAPACITY: The rated capac- ity of a RENFROE product is based on “HOT LIFTS”: The Model R and S the product being in “new or as new” clamps are available in modifications...
- Page 8 An attempt is made herein to Series. warn against reasonable and reasona- bly foreseeable danger in the proper “LOCKING WEDGE” - is a fluted steel use and possible reasonable misuse of wedge that is driven in place with a RENFROE products described in this manual.
- Page 9 DESIGNATED PERSON — A person se- lected by the employer or the employer’s representative as being competent to per- 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...
- Page 10 MODEL S VERTICAL LIFTING LOCKING Application The model “S” is a vertical lifting clamp and is an effective tool for construction and erection. Refer to illustrations shown below. It incorporates a “Lock Open”, “Lock Closed” feature which facilitates attaching and removing the clamp from the plates.
- Page 11 Operation S Step 1. Before using any RENFROE clamp, refer to the Application Section to confirm the operation to be undertaken is an appropriate application for this product. Step 2. Select appropriate capacity and plate thickness. The model designation, ca- pacity and plate thickness are stenciled on each clamp.
- Page 12 Step 6. Install clamp on plate to be lifted. Do not allow inside of jaw opening to rest on plate. Maintain 1/4” clearance. Refer to Illustration A, Step 5 and Photo- graph B.
- Page 13 Position clamp so that the direction of force applied by the crane is in line with the lifting shackle. WARNING: Never exceed 10 degree side-loading. Refer to Photographs C, D, E, F and G. Step 7. Move lock handle to “Lock Closed” position after making certain the swivel jaw and gripping cam are fully in contact with the plate and not partially on and off the edge of the plate.
- Page 14 Step 8. 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 person- nel are clear of the area of the lift. Never stand under or near a member being lifted.
- Page 15 Inspection Kits are available at no charge upon request from the distributor or RENFROE. Kit contains: RENFROE clamps are constructed so the wearing parts may be replaced by installing individual parts or by using RENFROE Rebuild Kits containing all parts generally replaced due to normal wear.
- Page 16 The frequency and type of inspection is determined by the clamp owner. Renfroe acknowledges the ASME B30.20 safety standard which sets forth mini- mum inspection requirements for “Below-the-Hook” lifting devices and the Renfroe Recommended Inspection Schedule meets and/or exceeds the ASME inspection recommendations.
- Page 17 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. At this time the condition of the clamp should be noted and recorded.
- Page 18 Identification Device) is embedded in the clamp body or a clamp component. If the I. D. plate is missing and the RFID chip is unavailable call the Renfroe factory for instructions on returning the clamp for recertification. Step 2.
- Page 19 E. Inspect clearance of lock handle assembly mounting hole for wear. Clear- ance with shaft of lock handle assembly should be minor. Mounting holes that are worn oversized may cause the lock handle to malfunction. F. Inspect swivel jaw mounting hole for elongation and wear. Swivel jaw must turn freely.
- Page 20 C. Inspect lock assembly pivot shaft for wear. D. When in the “Lock Closed” position, lock assembly must have a definite “Over Center” position. Lock Pawl must rest on body bolt spacer sleeve. Refer to Illustration L. WARNING: Replace lock assemblies that have worn or damaged parts, fit loosely in the body mounting hole and do not have a definite “Over Center”...
- Page 21 Step 9. SHACKLE PIN and CAM PIN S-26 and S-29 A. Inspect all pins for: 1. Distortion 2. Surface blemishes 3. Wear 4. Fractures WARNING: Replace pins that are distorted, have surface scars, are worn or contain fractures. Step 10. BOTTOM ROLLER and BOTTOM ROLLER PIN S-27 and S-31 A.
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Page 22: Exclusion Of Warranty
General RENFROE products may be returned to the factory for inspection and refur- bishment in accordance with an established fee schedule. Use only RENFROE replacement parts to insure maximum efficiency and safety factor originally built into the product. Refer to RENFROE catalog for instruction on ordering replacement parts.
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