Related Manuals for Renfroe DWS
Summary of Contents for Renfroe DWS
- Page 1 WARNING: Before putting tool in service, take to your immediate supervisor. RENFROE Application, Operation and Maintenance Manual Model DWS OM 211-DWS...
- 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. Di- rect Requests to J.C. Renfroe & Sons, Inc., Jacksonville, Florida 32201. J.C. RENFROE & SONS, J.C.
- Page 3 PRODUCTS AND SUBJECT MATTER DESCRIBED OR CONTAINED HEREIN. WARNING: 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 im- portant in determining the limitations and proper application 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. F I N I S H E D A N D P O L I S H E D...
- Page 7 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 warn Series. against reasonable and reasonably fore- seeable danger in the proper use and “LOCKING WEDGE” - is a fluted possible reasonable misuse of steel wedge that is driven in place with RENFROE products described in this manual.
- Page 9 DESIGNATED PERSON — A person selected 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 profes- sional standing, or who, by extensive knowledge, training, and experience, has...
- Page 10 LOCKING CLAMP APPLICATION The Model DWS is a horizontal lifting clamp intended to be used in pairs, sets of pairs, or in a tripod arrangement for transporting plate horizontally. Refer to Illustrations A, B and C. The Model DWS in- corporates a “Lock Closed”...
-
Page 11: Operation
Operation and Maintenance of this product. OPERATION Step 1. Before using any RENFROE clamp, refer to the Application Section to confirm the operation to be undertaken is appropriate for the product. Step 2. Select appropriate capacity and jaw opening. The model designation, capacity and jaw opening are stenciled on each clamp. - Page 12 45º 30º DWS 1/2 Ton 0.35 0.25 DWS 1 1/2 Ton 1.05 0.75 DWS 3 Ton WARNING: Always use an adequate number of clamps to assure a balanced load. Never use on plate or bundle of plates that are not able to support themselves without sagging or stacked without edge being even.
- Page 13 Step 3. Inspect clamp before each lift. WARNING: Do not use if in need of repair. If in doubt, refer to Maintenance Section for detailed maintenance instructions and ex- ploded view of the clamp for part identification. A. Check the clamp to be certain the Identification and warning tags are present and legible.
- Page 14 Step 5. Move lock to “Open” position. Refer to Illustration A. Illustration A Step 6. Position clamp on member to be lifted.
- Page 15 Step 7 Position clamp so direction of force applied by the crane is in line with the lifting shackle. WARNING: Never exceed ten degree side-loading. Refer to Photographs C, D and E. Step 8. Make certain the lower jaw and gripping cam are fully in contact with the member being lifted, and not partially on and off the edge of the member.
- Page 16 Step 9. Place the lock lever in “Lock Closed” position. Lock handle body must rest on body spacer. Spring now exerts force on gripping cam. Refer to Illustration B. Step 10. Commence lift. WARNING: The operator should position himself away from and fully clear of the member to be lifted.
- Page 17 - do not use clamp until it has been properly labeled. Inspection Kits are available at no charge upon request from the dis- tributor or RENFROE. Kit contains:...
- Page 18 The frequency and type of inspection is determined by the clamp owner. Renfroe acknowledges the ASME B30.20 safety standard which sets forth minimum inspection requirements for “Below-the- Hook” lifting devices and the Renfroe Recommended Inspection Sched- ule meets and/or exceeds the ASME inspection recommendations.
- Page 19 For example un- der a Normal Service schedule, one year from the time the clamp is returned to service. Renfroe recommends that a periodic inspection be conducted if any hazardous condition is found.
- Page 20 · ASME BTH-1 Design Category (if altered) · ASME BTH-1 Service Class (if altered) RENFROE clamps are constructed so the wearing parts may be re- placed by installing individual parts or using RENFROE Repair Kits containing all parts generally replaced due to normal wear.
- Page 21 (Radio Frequency Identification Device) is embedded either 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 re- turning the clamp for recertification.
- Page 22 Step 7. Lock Assembly and Lock Ring - DWS-3 & DWS-10 A. Inspect for damage and wear. Lock assembly should pivot freely without binding. When assembling lock body to clamp, tighten pivot screw lock nuts, then loosen until lock body pivots freely.
- Page 23 - do not use clamp until is has been properly labeled. GENERAL RENFROE products may be returned to the factory for inspection and refurbishment in accordance with an established fee schedule. Use only RENFROE replacement parts to insure maximum efficiency and safety factor originally built into the product.
-
Page 24: Exclusion Of Warranty
BEYOND THE DESCRIPTIONS OR STATE- MENTS CONTAINED IN THE FACE OR ANY PART HEREOF. J.C. RENFROE & SONS, INC. P.O. Box 4279 · 1926 Spearing Streeet · Jacksonville, Florida 32206 Phone: U.S.A. Toll Free (800) 874-8454 - 904/356-4181 Facsimile: 904/354-7865 · Internet: www.jcrenfroe.com...
Need help?
Do you have a question about the DWS and is the answer not in the manual?
Questions and answers