DeWalt 550 Cordless Drill User Manual


 
16
TRI TOOL INC.
92-0116 : Rev. 060810
TROUBLE SHOOTING
Problem: The Tool Bit Chatters
Probable causes:
The tool bit is loose or overextended.
The tool bit is damaged.
The tool holder is too loose in the slides.
The cutting speed is too fast.
The clamping pads are loose on the pipe or tube.
Cutting fluid is required.
The main bearing pre-load is loose.
Problem: There is excessive Tool Bit wear
Probable causes:
The pipe or tube material is too hard or abrasive.
The cutting speed is too fast.
Cutting fluid is required.
A dull Tool Bit is causing surface hardening conditions (Stainless pipe or
tubing).
There is scale or other foreign matter on the pipe or tube, which is dulling the
tool bit at the start of the cut.
The tool bit is incorrect for the material being cut.
Problem: The surface finish is rough
Probable causes:
The tool bit is dull, chipped, etc.
Metal build-up on the cutting edge of the tool bit is creating a false cutting
edge.
Cutting fluid is required.