Husqvarna 555 Workshop Manual - Page 17
Dismantling the chain brake
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6 Safety equipment 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. 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. Release the brake by using the saw's hand guard as a tool. Mesh with the brake and tighten anti-clockwise until the brake is activated, see fig. 2. Alt. 2 Alt. 1 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. Fig 2 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- Fig 3 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 Fig 4 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. Fig 5 Safety equipment English - 17