Dismantling The Chain Brake - Husqvarna 555 XP Workshop Manual

6.1 Dismantling the chain brake

1
Remove the cylinder cover.
Release the brake by moving the front hand guard
backward.
Loosen the bar nuts and remove the clutch cover,
bar and chain, see fig. 1.
2
Unscrew the kickback guard and remove it.
NOTE! Make sure that the spring and rocker do not
fly out.
Carefully tighten the clutch housing in a vice. Re-
lease the brake by using the saw's hand guard as
a tool. Mesh with the brake and tighten anti-clock-
wise until the brake is activated, see fig. 2.
3
Loosen the screws and insert a screwdriver to
maintain pressure on the spring, and then carefully
remove the cover over the brake spring, see fig. 3.
WARNING!
Exercise care to ensure the spring
does not fly out and cause personal
injury. Wear protective goggles.
4
Hold one hand on top of the brake spring and
press in a small screwdriver into the spring. Care-
fully bend upwards until the spring is released and
it slides onto the screwdriver, see fig. 4.
Cleaning and inspection
• Clean and check carefully all components. Parts
must be replaced if cracked or show signs of
other defects. Always use original spare parts.
Measure the thickness of the chain brake band.
•
It must not be less than 0.6 mm in any place.
See figure 5.
• Lubricate the knee joint with grease.
6 Safety equipment
Fig 1
Fig 2
Fig 3
Fig 4
Fig 5
Alt. 1
Alt. 2
Safety equipment
17
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