909 DP250LS Buku Petunjuk - Halaman 15

Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Bor 909 DP250LS. 909 DP250LS 16 halaman. 1/3 hp 5 speed drill press with laser

Halaman Cetak

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

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