Bosch GCM18V-12GDC Instrucciones De Funcionamiento Y Seguridad página 62

Troubleshooting Guide - General
PROBLEM
Head assembly does not bevel to
desired position.
Blade hits table.
Angle of cut not accurate.
Cannot rotate table to change miter
angle.
Head assembly will not fully raise or
blade guard will not fully close.
Blade binds, jams, burns wood.
Rough cuts.
Head assembly slides forward and
back when making a chop cut.
Bevel angle is not securely held when
bevel lock lever is pushed.
Glide mechanism is difficult to move
forward and back.
62
Troubleshooting
CAUSE
1. Bevel detent pin is engaged and
locks bevel angle at 33.9°.
2. Bevel range selector knob setting
limits movement.
Misalignment.
Angle stops at 0° or 45° need adjust-
ment.
1. Miter lock knob is tightened.
2. Miter detent lever is engaged with a
detent (slot) in detent plate.
3. Sawdust accumulation.
1. Head assembly lock pin is engaged.
2. Sawdust accumulation.
3. Sawdust accumulation.
1. Improper operation.
2. Dull blade.
3. Improper blade.
4. Bent blade.
Mechanism lock lever is disengaged.
Bevel lock lever needs tension adjust-
ment.
Glide movement controller is set too
tight.
CORRECTIVE ACTION
1. Pull out 33.9° bevel detent pin,
then rotate pin 1/4 turn to keep
out.
2. Change bevel range selector knob
position (see page 48).
Authorized service.
See Adjustments section (pages
22–30).
1. Turn miter lock knob counterclock-
wise to loosen.
2. Pull up on miter detent lever to disen-
gage from detent slot (see page 41).
3. Vacuum or blow out dust around
turntable; wear eye protection.
1. Pull out lock pin, allowing head
assembly to go up (see page 22).
2. Clean head assembly.
3. Authorized service.
1. See Saw Operations section.
2. Replace or sharpen blade.
3. Replace with 12" (305mm) diame-
ter blade designed for material being
cut.
4. Replace blade.
Pull up on mechanism lock lever tab to
engage (see page 23).
Increase bevel lock lever force by adjust-
ing tension nut (see page 27).
Loosen two screws on the movement
controller (see page 22).