Husqvarna 576 XP/G AT - Piston.and.cylinder

PISTON and CYLINDER
English – 45
Piston and Cylinder
Dismantling
1. Dismantle the following parts:
• Cylinder cover.
• Spark plug.
• Carburettor. See page 32.
• Mufer. See page 15.
2. Unscrew the anti-vibration spring (C) from the
cylinder. See g. 1.
3. Unscrew the cylinder’s four bolts (A). See g. 1.
4. Carefully lift up the cylinder.
Fig. 1
Fig. 2
Fig. 3
Cleaning and inspection
Clean all parts, scrape off all the remains of any gasket
material and scrape off carbon deposits from the following
surfaces:
1. The piston crown.
2. Top of the cylinder bore (inside).
3. The cylinder exhaust port.
4. The decompression valve.
NOTE!
Exercise care so that dirt and foreign partic-
les do not get into the crankcase.
A
C
A
B
Bx3
Fig. 4
5. Cover the crankcase opening immediately with a
sheet of paper or a cloth. See g. 2.
6. Remove one of the piston’s circlips, press out the
gudgeon pin, and remove the piston. See g. 2.
7. Remove the needle bearing from the connecting
rod’s little-end.
8. Unscrew the decompression valve (B). See g. 1.
9. Disconnect impuls hose (A) and unscrew the intake
manifold. See g. 3 and g. 4.