BM 2610021316 10-11 E:BM 2610021316 10-11 E.qxp 10/17/11 11:02 AM Page 36

Troubleshooting

Troubleshooting Guide - General

pROBlEM

 

CAUSE

 

CORRECTIVE ACTION

 

 

 

 

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

1. Part failure.

-

Authorized service.

rise or blade guard will not fully

2. Pivot spring or guard spring

-

Authorized service.

close.

- See Blade Installation page

 

 

not replaced properly after

 

 

 

10 & 11.

 

 

service.

 

 

 

 

 

 

3.

Cover plate not tightened

-

Clean head assembly.

 

 

after replacing blade.

 

 

 

4. Sawdust accumulation.

-

See cleaning page 34

 

 

 

 

Blade binds, jams, burns wood.

1. Improper operation.

-

Replace or sharpen blade.

Rough cuts.

2.

Dull blade.

-

Replace with 12” diameter

 

 

 

 

 

blade designed for the mate

 

3.

Improper blade.

 

rial 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 blade screw.

 

4.

Other.

-

Authorized service.

 

 

 

 

 

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Bosch Power Tools CM12 manual Troubleshooting Troubleshooting Guide General