Husqvarna 455 Rancher II - Fuel Handling; Fuel

English – 19
Functional inspection:
Do not turn on the motor when carrying out this inspection.
Bar length Height
53-71 cm/21-28" 70 cm/28"
• 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. See gure 10.
Safety equipment
WARNING!
Do not touch the muffler before it has
cooled down. Risk of burns.
6.3 Dismantling the muffler
1
Remove the cylinder cover, mufer, gasket and
cooling n.
2
The mufer is tted with spark arrestor mesh,
which is removed. If necessary, use the combina-
tion spanner to push down the plate edge and
remove the spark arrestor mesh. See gure 11.
Cleaning and inspection
• Clean and check all components carefully.
Parts must be replaced if cracked or show-
ing signs of other defects. Always use original
spare parts.
• The spark arrestor mesh is best cleaned with a
wire brush. The saw will overheat if the mesh
is clogged resulting in damage to the cylinder
and piston. The mesh must be replaced if dam-
aged.
• Never use a chain saw with a defective mufer.
6.4 Assembling the muffler
1
Assemble the spark arrestor mesh. When tting,
make sure that the mesh is inserted in the right
position. If necessary, use the combination span-
ner to insert the mesh.
2
Fit the:
• cooling n
• gasket
• mufer, tightening torque of 12-14 Nm.
• cylinder cover
3
Warm up the saw for at least one minute and re-
tighten the screws on the mufer to 12 to 14 Nm.
Fig 10
Fig 11
38-51 cm/15-20" 50 cm/20"