Stihl 034 Series User Manual

21034, 036, 036 QS
Important:
Before removing the piston, decide
whether or not the crankshaft has to
be removed as well.
 To remove the flywheel and
clutch, block the crankshaft by
sliding the wooden assembly
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block (1) 1108 893 4800 between
the piston and crankcase.
 Use a scriber or similar tool to
ease the hookless snap rings out
of the grooves in the piston.
 Use the assembly drift (2)
1110 893 4700 to push the piston
pin (1) out of the piston.
Note:
– If the piston pin is stuck, tap the
end of the drift lightly with a
hammer if necessary.
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2
Important: Hold the piston
steady during this process to
ensure that no jolts are
transmitted to the connecting rod.
– Remove piston and take the
needle cage out of the
connecting rod.
 Inspect piston rings and replace if
necessary - see 5.4.
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– Thoroughly clean the gasket
seating surface on the cylinder.
 Lubricate the needle cage with oil
and fit it in the small end.
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 Install a snap ring in the front
piston boss (2), i.e. the piston
boss facing you when the arrow
(1) on the piston head is pointing
to the right.
Note:
Use installing tool 5510 890 2210 to
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2
fit the snap ring - see "Standard
Repairs, Troubleshooting"
handbook.
– Heat the piston on an electric
heating plate to about 60°C.
5.3.2 Installing

Stihl 034 Series Specifications

General

Brand	Stihl
Model	034 Series
Category	Chainsaw
Language	English