Instructions / Assembly

PROBLEM CAUSE SOLUTION

Drill bit binds in

the workpiece

1) The workpiece is pinching the bit

2) Excessive feed pressure

1) Support or clamp the workpiece.

2) Feed more slowly.

Spindle returns

too slowly or too

quickly

Coil spring has improper tension

Adjust the coil spring tension.

See "Spindle Return Spring" on p. 17

Chuck falls off

spindle

Dirt, grease, or oil on the tapered sur -

face on the spindle or in the chuck

Clean the tapered surface of both the chuck and

spindle with a household detergent.

Motor stalls

1) Incorrect fuses or circuit breakers

2) Overloaded circuit

3) Low voltage

1) Replace with correct fuse or circuit breaker

for the circuit.

2) Turn off other machines and retry.

3) Check the power line for the proper

voltage. Use another circuit or have a qualiﬁed

electrician upgrade the service.

ASSEMBLY & ADJUSTMENTS

TROUBLESHOOTING

WARNING: Stop using the tool immediately if any of the following problems occur. Repairs

and replacements should only be performed by an authorized technician.