General Inspection; Troubleshooting - 909 DP250LS Instruction Manual

2. Remove dust and dirt regularly. Cleaning is best done
with a soft brush or a rag.
3. Re-lubricate all moving parts at regular intervals.
4. Never use caustic agents to clean plastic parts.
CAUTION.
Do not use cleaning agents to clean the plastic
parts of the tool. A mild detergent on a damp cloth is
recommended.
Problem
Drill press will not start
Noisy operation
Drill bit burns
Excessive drill bit wobble
Wood splinters under
workpiece
Workpiece torn from hand Workpiece not supported or clamped
Drill bit binds in workpiece Improper belt tension
Cause
Power cord not plugged in
Power fault, fuse or circuit breaker tripped Check the power supply
Cord damaged
Faulty switch
Belt over tight
Faulty motor
Incorrect belt tension
Incorrect speed
Chips not coming out of hole
Dull drill bit
Bent drill bit
Drill bit not properly installed in chuck
Chuck not properly installed
No "packing" material below workpiece
properly
Insufficient torque to perform task

General inspection

Regularly check that all the fixing screws are tight. They
may vibrate loose over time.

Troubleshooting

WARNING. Turn the on/off switch to the off position and
unplug the tool from the power supply before performing
troubleshooting procedures.
Solution
Ensure that the cord is connected to the power
supply
Use authorised service centre to repair or replace
Use authorised service centre to repair or replace
Reduce tension on the belt
Use authorised service centre to repair or replace
the motor
Adjust tension as required
Reduce speed, refer to the "Changing the speed"
section
Retract drill bit frequently to clear holes
Resharpen or replace drill bit
Replace with new drill bit
Install drill bit properly and ensure it is secure
Install chuck properly, ensuring clean surfaces
Use "packers" below the workpiece
Support the workpiece or clamp it
Adjust the belt tension
Reduce spindle speed using a different belt ratio
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