Failure Of Jaws To Grip Pipe - Farr KT5500 Technical Manual

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FAILURE OF JAWS TO GRIP PIPE

1. POSSIBLE PROBLEM: Dies have become too dull to provide adequate grip.
SOLUTION: Replace dies.
2. POSSIBLE PROBLEM: Incorrect jaws are being used.
SOLUTION: Double-check jaw size to ensure they are rated for the diameter of pipe or casing being run.
3. POSSIBLE PROBLEM: Incorrect dies are being used
SOLUTION: Ensure dies loaded in the jaws are appropriate for the type of pipe or casing being run.
4. POSSIBLE PROBLEM: Brake band(s) is (are) insufficiently adjusted, not allowing jaws to cam properly.
SOLUTION: Adjust brake bands to give proper resistance to cage plates.
5. POSSIBLE PROBLEM: Jaw roller broken or worn.
SOLUTION: Remove jaw assembly and inspect. Replace rollers that are visibly "flat-spotted" or otherwise damaged.
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