Bosch GCM12SD Manual Del Usuario página 54

BM 2610007877 08-10:BM 2610007877 08-10.qxp 8/24/10 1:05 PM Page 54
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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.
Troubleshooting
Troubleshooting Guide - General
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
adjustment.
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. Cover plate not tightened after
replacing blade.
3. Sawdust accumulation.
4. Sawdust accumulation.
1. Improper operation.
2. Dull blade.
3. Improper blade.
4. Bent blade.
Mechanism lock lever is
disengaged.
Bevel lock lever needs tension
adjustment.
Glide movement controller is set
too tight.
CAUSE
- Pull out 33.9° bevel detent pin, then
rotate pin 1/4 turn to keep out.
- Change bevel range selector
knob position (see page 41).
- Authorized service.
- See Adjustments section
(pages 20-25).
- Turn miter lock knob
counterclockwise to loosen.
- Pull up on miter detent lever to
disengage from detent slot (see
page 33).
- Vacuum or blow out dust around
turntable; wear eye protection.
- Pull out lock pin, allowing head
assembly to go up (see
page 17).
- See Removing and Installing
Blades on pages 13-14.
- Clean head assembly.
- Authorized service.
- See Saw Operations
section.
- Replace or sharpen blade.
- Replace with 12" diameter blade
designed for material being cut.
- Replace blade.
Pull up on mechanism lock lever
tab to engage (see page 18).
Increase bevel lock lever force by
adjusting tension nut (see page 25).
Loosen two screws on the
movement controller (see page 17).
54.
CORRECTIVE ACTION