17
Series 4141 Powerhead
Installing Components
of Mixture Supply System
Fit diaphragm carriers on the right
and leftof the cylinder, tighten
screws to 3.5 Nm (2.6 lbf.ft).
Note:
Install a new cylinder gasket; the
word "FAN" must face upwards and
towards the flywheel.
– Refit the cylinder - see 5.6.2.
– Install the impulse hoses, paying
attention to the markings on the
hoses:
F = flywheel side
S = starter side
Install all other parts in the reverse
sequence.
Note:
Install new gaskets.
Always check and repair the fuel
system, carburetor, air filter and
ignition system before looking for
faults on the engine.
Troubleshooting chart - see
"Standard Repairs, Trouble-
shooting" handbook.
– Remove shroud - see 5.1.
– Remove the muffler - see 5.2.
– Use combination wrench
4141 890 3400 to take out the
spark plug. Remove the ignition
module - see 6.2.2.
– Remove air filter, carburetor and
components of mixture supply
system - see 9.1, 9.2 and 5.5.
Take out the cylinder mounting
screws (3) and raise the cylinder
(2) slightly. Slide the wooden
assembly block (5)
1108 893 4800 under the piston.
Lift away the cylinder (2).
VA
380RA030
2
3
5
4
1
If a new cylinder has to be
installed, always fit the matching
piston. New cylinders are only
available with piston. Transfer the
heat shield (1), the diaphragm
carriers (4) and ignition module to
the new cylinder.
– Before removing the piston,
decide whether or not the
crankshaft has to be removed as
well. To remove the clutch and
starter cup, block the piston with
the wooden assembly block.
Disassemble the crankcase - see
5.8.
Ease the hookless snap rings out
of the grooves.
VA
380RA031
5.6
Cylinder and Piston
5.6.1
Removing
Содержание 4141 Series
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