Jonsered 2036 Workshop Manual page 111

Crankshaft and crankcase
Press the crankcase halves apart.
Press out the crankshaft and inspect it for
wear and damage.
Dismantle the ball bearings and sealing
rings.
Clean the crankcase halves and check
that the oil tank vent functions.
Clean or replace the fuel filter.
Check that the fuel pipe is not damaged.
Fitting
Fit new ball bearings.
Fit the crankshaft in the flywheel side's
crankcase half.
502 50 30-08
Press apart the crankcase halves and
press out the crankshaft in the same way
as described for mod. 625/630/670.
Inspect the crankshaft as per section
"Checking of crankshaft".
Heat the crankcase halves and dismantle
the ball bearings and sealing rings in the
same way as described for mod. 625/
630/670.
Clean the crankcase halves' sealing sur-
faces from gasket residue.
Check that the hole for the oil tank vent is
not blocked and that the split pin is in
position.
Clean or replace the fuel filter.
Check the fuel pipe for signs of cracking.
Replace the pipe if necessary.
Fitting
Fit new ball bearings.
Heat the crankcase halves to 150–200° C
and put the ball bearings in position in the
bearing seats.
Fit the crankshaft in the flywheel side's
crankcase half by means of tool
502 50 30-08.
Make sure that the connecting rod is not
jammed against the crankcase.
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