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10. MAINTENANCE AND TROUBLESHOOTING
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10.1 TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy
Machine will not start. 1. Fuse. 1. Replace/reset time delay
fuse or circuit breaker.
2. Unsure. 2. Return to an authorised
service agent for
diagnosis.
Noisy operation. 1. Incorrect belt tension. 1. Adjust tension.
2. Dry spindle. 2. Lubricate spindle with
grease.
3. Loose spindle pulley or
motor pulley.
3. Tighten set screws in
pulleys.
Bit burns or smokes. 1. Incorrect speed. 1. Change speed.
2. Swarf not coming out of
hole.
2. Retract bit frequency to
clear swarf.
3. Blunt bit. 3. Sharpen or replace bit.
4. Feeding too slow. 4. Feed fast enough to allow
drill to cut.
5. Not lubricated. 5. Lubricate bit.
Excessive drill run-out or
wobble.
1. Bent bit. 1. Use a straight bit.
2. Worn spindle bearings. 2. Return to an authorised
service agent.
3. Bit not properly installed in
chuck.
3. Install bit centrally.
4. Chuck not properly
installed.
4. Refit chuck properly.
Drill binds in workpiece. 1. Workpiece pinching bit or
excessive feed pressure.
1. Support or re-clamp
workpiece.
2. Improper belt tension. 2. Adjust tension.
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