Bosch 4212 Consignes De Fonctionnement/Sécurité page 35

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Troubleshooting Guide - General
PROBLEM
Head assembly does not bevel to
desired position.
Blade hits table.
Angle of cut not accurate.
Cannot move miter adjustment.
Head assembly will not fully rise
or blade guard will not fully close.
Blade binds, jams, burns wood.
Rough cuts.
Tool vibrates or shakes.
Blade does not completely cut
workpiece.
Bevel setting does not hold
position.
CAUSE
1. Bevel 33.9° stop engaged.
2. Bevel range selector knob
setting limits movement.
Misalignment
Misalignment
1. Lock knob tightened/detent
engaged.
2. Sawdust under table.
3. Blade interferes with fence.
1. Part failure.
2. Pivot spring or guard spring
not replaced properly after
service.
3. Cover plate not tightened
after replacing blade.
4. Sawdust accumulation.
1. Improper operation.
2. Dull blade.
3. Improper blade.
4. Bent blade.
1. Saw blade not round.
2. Saw blade damaged.
3. Saw blade loose.
4. Other.
Depth stop screw adjusted for
groove cutting.
Bevel lock lever needs to be
locked.
35.
CORRECTIVE ACTION
- Pull out 33.9° stop and rotate
it 90°.
- Change range setting.
- Authorized service.
- See Adjustments section.
- Loosen lock knob/move out
of detent.
- Vacuum or blow out dust.
Wear eye protection.
- Authorized service.
- Authorized service.
- Authorized service.
- See Blade Installation
page 11.
- Clean head assembly.
- See Basic Saw Operation
section.
- Replace or sharpen blade.
- Replace with 12" diameter
blade designed for the
material being cut.
- Replace blade.
- Replace blade.
- Replace blade.
- Tighten blade bolt.
- Authorized service.
- See Depth Stop Adjustment in
the Adjustment section.
- Lock bevel lock lever as
shown on page 13.

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