Installing The Crankshaft - Stihl 034 Series User Manual

Use press arbor 1118 893 7200
to press the ball bearing out of its
seat.
Use a screwdriver or similar tool
to knock the oil seal out of its seat
at the ignition side.
From outside the crankcase, use
arbor 1120 893 7200 to press the
ball bearing inwards and out of its
seat.
26
– Pull the oil suction hose out of
crankcase.
– Inspect both halves of the
crankcase for cracks and replace
if necessary.
Note:
Always install new gaskets and
ball bearings when replacing the
crankcase. The crankcase must be
replaced as a complete unit even if
only one half is damaged.
All other parts which are still
serviceable can be transferred to
the new crankcase after the new
bearings have been fitted
(crankcase has to be heated).
Use the stud puller 5910 893 0501
to remove and install the bar
mounting studs - see 4.7.
5.5.2

Installing the Crankshaft

– If the original crankcase is used
again, remove all the gasket
residue and clean the mating
surfaces.
Note:
Clean the mating surfaces
thoroughly to ensure a perfect seal.
1
Note:
A new front chain tensioner is
supplied with replacement
crankcases.
1 Tensioner slide
2 Adjusting screw
3 Thrust pad
4 Cover plate
5 Pan head screw
– Stamp the machine's serial
number on the crankcase with
2.5 mm figure stamps.
– Check that dowel pin is in
position. If necessary, drive
dowel pin into new crankcase.
034, 036, 036 QS
2
3
4
5