RedMax 967683802, Руководство по ремонту

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English – 41
Piston and cylinder
15 Piston and cylinder
15.1 Piston and Cylinder
15.1.1 Dismantling
1. Dismantle the following parts:
• Cylinder cover.
• Spark plug.
• Carburettor. See page 30.
• Muffler. See page 17.
2. Unscrew the anti-vibration spring (B) from the
cylinder. See fig. 1.
3. Unscrew the cylinder’s four bolts (C). See fig. 1.
4. Carefully lift up the cylinder.
5. Cover the crankcase opening immediately with
a sheet of paper or a cloth. See fig. 2.
6. Remove one of the piston’s circlips, press out
the gudgeon pin, and remove the piston. See fig.
2.
7. Remove the needle bearing from the connecting
rod’s little-end.
8. Unscrew the decompression valve (D). See fig.
1.
9. Unscrew the intake manifold.
15.1.2 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 channel.
NOTE! Exercise care so that dirt and foreign
particles do not get into the crankcase.
Fig. 1
Fig. 2
Fig. 3
B
C
D