Jonsered 2036 Workshop Manual page 105

Crankshaft and crankcase
Fitting
Fit the ball bearings on the shaft journals.
Fit the oil pump gear and new sealing
rings.
Clean the bearing housing and crankcase
from old sealing compound.
Apply new sealing compound and fit the
crankshaft and bearing housing.
503 26 70-01
Mod. 625/630/670
Crankcase
Dismantling
Remove all the screws (7 pcs) which hold
the crankcase halves together.
Press apart the crankcase halves.
502 51 61-01
Fitting
Fit the ball bearings on the shaft journals.
Heat the bearings with a heat gun to
approx. 150–200° C and push them in
position.
Heat the oil pump gear with the heat gun
to approx. 150–200° C and then push it
quickly on the shaft.
Lubricate the shaft journals with grease
and fit new sealing rings turned with the
plate mantle outwards.
Do not forget the plate washer between
the ball bearing and sealing ring on the
magneto side.
Clean the ball bearing seats, the sealing
surfaces on the crankcase and bearing
housing from old sealing compound.
Apply a thin strand of new sealing com-
pound on the seats for the ball bearings
and sealing rings.
Place the crankshaft in position in the
crankcase.
Apply sealing compound in the same way
on the bearing housing and put it over the
crankshaft.
Tighten the screws from underneath.
Mod. 625/630/670
Crankcase
Dismantling
Dismantle all parts on the chain saw so
that only the crankshaft and crankcase
remain.
Remove the cylinder base gasket and all
the screws (7 pcs) which hold the crank-
case halves together.
Fit tool 502 51 61-01 on the clutch side's
crankcase half and press apart the crank-
case halves.
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