Safety Chain and Whip Check
Safety Chains and Cables (Hobbles)
Ensure that the chain clamp is installed at the proper location on the hose. Most vibrating/ rotary hoses have the clamp area marked 2 to 3 feet in from the coupling. The small eye on the coupling is for fit up of the connection only and is not a lifting eye and should not be used for secondary restraint. Safety chains should be attached securely to a dedicated pad eye or structural member that can withstand the impact of a sudden failure. Clamps used overhead should be placed where they do not interfere with running lines or tugger hoist lines. Restraints should never be placed around the coupling.
Whip Checks
Whip checks are light weight cable safety devices used for smaller hoses under high pressure in various applications. They prevent injury or damage if a hose connection separates accidentally. Air powered tools that use large volume air hoses should always be equipped with whip checks at each connection. The whip check should be installed before each connection is made and the cable should be installed to minimize the amount of slack in the cable. Whip check cables should not be used to hang hoses nor should they be used for any other purpose than intended. Whip checks should not be used for high pressure, high volume applications where safety chains or cables should be used. Whip checks can be used for moderate pressure less than 200 psi in smaller diameter less than 3 inch hose. Whip checks should be inspected for corrosion or damage.
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9-5. When is a whip check supposed to be attached when connecting cables?
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