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TROUBLE SHOOTING
WARNING:
FOR YOUR SAFETY ALWAYS TURN THE MAIN SWITCH ON THE
MACHINE"OFF" AND REMOVE THE PLUG FROM THE POWER SUPPLY
BEFORE CARRYING OUT ANY MAINTENANCE
OR TROUBLE SHOOTING.
TROUBLE
PROBABLE CAUSE
REMEDY
Noisy operation
1. Incorrect belt tension
1. Adjust tension
2. Dry spindle
2. Lubricate spindle with grease (ISO VG68)
3. Loose spindle pulley or
3. Tighten set screws in pulleys
motor pulley
Bit burns or smokes
1. Incorrect speed
1. Change speed
2. Swarf not coming out of hole
2. Retract bit frequently 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
6. Bit running backwards
6. Check motor rotation
Excessive drill
1. Bent bit
1. Use a straight bit
run-out or wobble
2. Worn spindle bearings
2. Replace bearings
3. Bit not properly installed
3. Install bit centrally
in chuck
4. Chuck not properly
4. Refit chuck properly
installed
Drill binds in
1. Workpiece pinching bit
1. Support or clamp workpiece
workpiece
or excessive feed pressure
2. Improper belt tension
2. Adjust tension
Summary of Contents for D13/5A
Page 19: ...19 NOTES...
