Assembling The Right-Hand Brake Trigger; Dismantling The Muffler; Assembling The Muffler - Husqvarna TrioBrake 550XPG Workshop Manual

6.4 Assembling the right-hand brake
trigger
(545 TrioBrake, 550 XP TrioBrake,
550 XPG TrioBrake)
1
Reattach the right-hand brake trigger in its mount
on the rear handle and tighten screw G. Reposition
the brake cable in its track and tighten screws H
See figure 5 and 4.
2
Replace the cover and tighten screw F. Replace the
movement limiter E.
3
Fit the front handle and tighten screws D. Tighte-
ning torque 3-4 Nm.
Fit the:
• The bar
• The chain
• The clutch cover

6.5 Dismantling the muffler

WARNING!
Do not touch the muffler until it
has cooled. Risk of burns.
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 resulting in
damage to the cylinder and piston.
• Never use a saw with a clogged or defective muff-
ler.
Fig 1
Safety equipment
23
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