Husqvarna 966451906 Manuale Utente
English -
19
NOTE!
After repairing, the chain brake must be in-
spected in line with the instruction below.
spected in line with the instruction below.
Functional inspection:
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
WARNING!
Do not touch the muffler until it
has cooled. Risk of burns.
Do not touch the muffler until it
has cooled. Risk of burns.
6.3 Dismantling the muffler
1
Remove the cylinder cover, muffler, gasket and
cooling fin.
2
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.
Cleaning and inspection
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.
6.4 Assembling the muffler
1
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.
2
Fit the:
• cooling fin
• gasket
• muffler, tightening torque of 12-14 Nm.
• Cylinder cover
• gasket
• muffler, tightening torque of 12-14 Nm.
• Cylinder cover
3
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