Справочник Пользователя для Ryobi DP121L

3

Noisy operation

Incorrect belt tension
Dry spindle
Loose spindle pulley or motor pulley

Adjust belt tension.
Lubricate spindle.
Tighten set screws in pulleys.

Bit burns or smokes

Incorrect speed
Chips not coming out of hole
 
Dull bit
Feeding too slow
Not lubricated

Change speed. 
Retract  bit  frequently  to  clear 
chips.
Sharpen or replace bit.
Feed fast enough; allow drill to cut.
Lubricate bit for metal work.

Excessive drill runout or wobble

Bent bit
Bit not properly installed in chuck
Chuck not properly installed
Worn spindle bearings

Replace bit.
Install bit properly.
Install chuck properly.
Contact authorized service center.

Drill bit binds in workpiece

Excessive feed pressure
Improper belt tension

Reduce feed pressure.
Adjust belt tension.

Workpiece support loosens

Workpiece not supported or clamped 
properly

Check  support  and/or  reclamp 
workpiece.