PRO-POINT 8740144 Manuel D'utilisation page 27

V1.0
PROBLEM(S) POSSIBLE CAUSE(S)
Cutter skips
out of centre-
punch mark
at initiation of
cut -
Continued
Excessive
drilling
pressure
required
Excessive
cutter wear
Visit www.princessauto.com for more information
MAGNETIC DRILL
5. Poor centre-punch
mark, weak pilot
spring or pilot not
centered in centre-
punch mark.
6. Worn or bent pilot,
worn pilot hole.
7. Loose bolts on motor
bushing, support
bracket, main casting
or loose gib adjusting
set screws.
1. Cutter/drill bit worn.
2. Swarf covering
workpiece.
3. Gibs are out of
alignment or need
lubrication.
4. Swarf jamming cutter.
1. Cutting bit not
sharpened correctly.
2. Inconsistent
downward cutting
pressure.
SUGGESTED SOLUTION(S)
5. Improve centre-punch
and/or replace worn
punch.
6. Replace part or parts.
7. Inspect and adjust where
necessary.
1. Re-sharpen or replace.
2. Clean swarf from
workpiece before cutting.
3. See Care & Maintenance -
Slide adjustment.
4. Clear cutter of swarf
after drilling each time.
1. Replace cutting bit.
Tooth geometry is ruined.
2. Apply steady pressure
when cutting.
8740144
27