CS-350WES
47
SAW CHAIN LUBRICATION SYSTEM
7-6 Checking cylinder
1. Loosen 4pcs of screws securing crankcase.
2. Gently tap both crankshaft ends evenly using
plastics mallet to remove lower crankcase.
3. Inspect cylinder combustion chamber and clean
with a plastic or wooden scraper if carbon is
deposited.
NOTE: Do not use metal tools, or damage to cylinder
wall may result.
4. Check cylinder wall and replace crankcase as a
set if plating is worn, peeled away or scored
exposing cylinder base metal.
A
B
7-5 Removing engine block
1. Remove clutch assembly, auto-oiler, ignition coil,
flywheel and rear handle.
2. Remove dust cover and loosen bolts (A) fastening
cylinder and bolts (B) on back side of the unit.
3. Remove intake bellows.
4. Remove engine block (crankcase assembly) from
engine cover.
NOTE: When disassembling piston, piston ring and
piston pin needle bearing, it is not necessary to
remove ignition coil, flywheel and worm gear.
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