Husqvarna 966451906 用户手册

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19

Do not turn on the motor when carrying out this 

inspection.

 

Bar length 

Height

 

38 cm/15” 

50 cm/20"

•   Hold the chain saw over a stable surface. The 

distance between the bar and the surface is 

shown in the table above.

•    Let go of the front handle and let the chain saw 

drop toward the surface underneath.

•    When the bar hits the surface the chain brake 

must trigger.

Safety equipment

Remove the cylinder cover, muffler, gasket and 

cooling fin.

The saw is fitted with spark arrestor mesh, which is 

removed. If necessary, use the combination span-

ner to push down the plate edge and remove the 

spark arrestor mesh. See figure 12.

Clean and check all components carefully.

Parts must be replaced if cracked or show signs of 

other defects. Always use original spare parts.

The spark arrestor mesh is best cleaned with a 

wire brush.

The mesh must be replaced, if damaged.

The saw will overheat if the mesh is clogged result-

ing in damage to the cylinder and piston.

Never use a saw with a clogged or defective muffler. 

If the saw is fitted with a spark arrestor mesh, put 

it in place first. When fitting the mesh, make sure 

that the mesh is inserted in the right position. If 

necessary, use the combination spanner to insert 

the mesh.

Fit the:

•  cooling fin
•  gasket
•  muffler, tightening torque of 12-14 Nm.
•  Cylinder cover

Warm up the saw for at least one minute and 

retighten the screws on the muffler to 12 to 14 Nm.

Fig 12

Fig 11