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1.0 – SAFETY
Proper precautions should be taken when using the Single and Double Jackscrew Chain Clamp as with all heavy
alignment equipment. A little common sense goes a long way towards preventing accidents involving your Mathey
Dearman Chain Clamp.
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The operator and maintenance person shall read and understand the Single and Double Jackscrew Chain Clamp
parts and operating manual prior to attempting operation of the equipment.
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The operator and maintenance person shall read and understand the parts and operating manual prior to
attempting operation or maintenance of the Single and Double Jackscrew Chain Clamp.
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Eye protection and protective clothing such as steel toed shoes and gloves shall be worn to protect the operator
when using the chain clamp.
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Make sure loose clothing, tools, belts, etc. do not become entangled on the chain clamp.
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The periodic maintenance instructions must be followed in the Chain Clamp parts and operating manual.
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Never use the Chain Clamp for other than its intended purpose.
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Clear the general area where the Chain Clamp will be used of all trip hazards.
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The Mathey Dearman Chain Clamp is not intended to support or lift the entire length of the pipe.
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Never use the chain clamp as a ground for plasma or welding systems
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Always check the chain clamp for defects such as arc marks, abrasions and nicks prior to operation.
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Make sure that the chain clamp will function properly prior to attempting the alignment or reforming of pipes or
fittings.
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The chain clamp should never be used as the sole support of the pipe or fitting.
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When using the Chain Clamp, basic safety precautions must always be followed to reduce the risk of personal
injury.
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Always operate the Chain Clamp in accordance with the operating instructions.
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The pipe must be secured to the table, pipe stand, or, prior to mounting the clamp on the pipe.
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Reforming and Alignment capacity will vary depending on pipe diameter, wall thickness, and pipe tensile
strength. If in doubt contact Mathey Dearman Inc. at (800) 725-7311.
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Make sure the Main Block and the Jackbars are in full contact with the pipe before aligning or reforming the pipe.
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The Level and Support Device should never be used as the sole support of the pipe, fitting or valve.
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Make sure the Chain Clamp is in full contact with the mating pipe, fitting or valve.
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Use only the wrench provided with the clamp.
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Never use a cheater bar with the supplied wrench.
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Never use the clamp as a ground connection.
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Always inspect the Chain Clamp prior to use.
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The mating pipe, fitting or valve if having a taper surface of more than 5 degrees at the point where the pad of the
Jackscrew will contact the pipe use caution as the jackscrew pad may pop off.
IN ADDITION TO THE ABOVE PROCEDURES, ALL SHOP, NATIONAL AND MANUFACTURER’S SAFETY INSTRUCTION
CONCERNING THE CLAMPING SYSTEM SHOULD BE FOLLOWED. ALL CLAMPING OPERATIONS SHOULD BE CONDUCTED IN
THE BEST OF SAFETY CONDITIONS.
