Troubleshooting

Troubleshooting Guide - General

PROBLEM

 

CAUSE

 

CORRECTIVE ACTION

 

 

 

Head assembly does not bevel to

1. Bevel 33.9° stop engaged.

- Pull out 33.9° stop and rotate it

desired position.

 

 

 

90°.

 

2.

Bevel detent override knob

- Change bevel detent override

 

 

setting limits movement.

 

setting.

 

 

 

 

 

Blade hits table.

1.

Misalignment

-

Authorized service.

 

 

 

 

 

Angle of cut not accurate.

1.

Misalignment

-

See Adjustments section.

 

 

 

 

Cannot move miter adjustment.

1.

Lock knob tightened/detent

- Loosen lock knob/move out

 

 

engaged.

 

of detent.

 

2.

Sawdust under table.

- Vacuum or blow out dust.

 

 

 

 

Wear eye protection.

 

3.

Blade interferes with fence.

-

Authorized service.

 

 

 

 

 

Head assembly will not fully rise

1.

Part failure.

-

Authorized service.

or blade guard will not fully close.

2.

Pivot spring or guard spring

-

Authorized service.

 

 

 

not replaced properly after

 

 

 

 

service.

 

 

 

3.

Cover plate not tightened

- See Blade Installation page

 

 

after replacing blade.

 

11.

 

4.

Sawdust accumulation.

-

Clean head assembly.

 

 

 

 

Blade binds, jams, burns wood.

1.

Improper operation.

- See Basic Saw Operation

Rough cuts.

 

 

 

section.

 

2.

Dull blade.

- Replace or sharpen blade.

 

3.

Improper blade.

- Replace with 12” diameter

 

 

 

 

blade designed for the materi-

 

 

 

 

al being cut.

 

4.

Bent blade.

-

Replace blade.

 

 

 

 

 

Tool vibrates or shakes.

1.

Saw blade not round.

-

Replace blade.

 

2.

Saw blade damaged.

-

Replace blade.

 

3.

Saw blade loose.

-

Tighten arbor screw.

 

4.

Other.

-

Authorized service.

 

 

 

 

Blade does not completely cut

1.

Depth stop screw adjusted for

- See Depth Stop Adjustment in

workpiece.

 

groove cutting.

 

the Adjustment section.

 

 

 

 

Head assembly does not slide

1.

Slide rail lock knob tightened.

- Loosen slide rail lock knob.

freely when attempting a slide

 

 

 

 

cut.

 

 

 

 

Head assembly slides forward

2.

Slide rail lock knob not tight-

- Push head assembly com-

and back when making a chop

 

ened.

 

pletely against stop. Tighten

cut.

 

 

 

slide rail lock knob.

 

 

 

Bevel setting does not hold

Bevel lock lever assembly needs

- Tighten bevel lock lever as

position.

to be tightened.

 

shown on page 13.

 

 

 

 

 

34.

Page 34
Image 34
Bosch Power Tools 4412 manual Troubleshooting Guide General