Stihl MS 341 Shop Manual page 45

2
: The crankshaft (1), connecting
rod (2) and needle bearing form
an inseparable unit. It must
always be replaced as a
complete unit.
When fitting a replacement
crankshaft, always install new oil
seals and ball bearings.
1
: Use press arbor (1)
1120 893 7200 to press the ball
bearing at the flywheel side out of
the crankcase, from the outside
inwards.
44
1
: Use press arbor (1)
1118 893 7200 to press the ball
bearing at the clutch side out of
the crankcase, from the inside
outwards.
– Inspect both halves of the
crankcase for cracks and replace
if necessary.
Check the condition of all other
parts, replace if necessary and
transfer to the new crankcase.
If only the ball bearings are
replaced, all rubber and polymer
components, such as oil suction
hose, stop buffers and annular
buffers may be left in position.
If the flywheel side of the crankcase
has to be replaced, all the
components still fitted must be
removed and checked for damage.
This involves the following
operations:
: Pull off the hose (1).
– Pry out the stop buffer – b 9.1.4
1
1
: Pry out the grommets (arrows).
: Remove the annular buffer (1) –
b 9.1.2
2
: Disconnect the tank cap cord (1)
from the slot (2).
– Remove the tank cap.
If the clutch side of the crankcase
has to be replaced, all the
components still fitted must be
removed and checked for damage.
This involves the following
operations:
– Remove the chain tensioner –
b 5.6
– Unscrew the bar mounting studs
– b 5.7
– Remove the chain brake –
b 5.5.1 or 5.5.2
– Pry out the stop buffer – b 9.1.4
MS 341, MS 361, MS 361 C
1
1