Mod. 2041/2045/2050 - Jonsered 2036 Workshop Manual

Crankshaft and crankcase
Crankshaft
Dismantle the crankshaft from the cylin-
der.
Remove the oil pump gear by means of
an extractor, including the sealing rings.
Lift off the ball bearing.
530 03 11-36

Mod. 2041/2045/2050

Crankcase
Check that the fuel tank vent is open.
Replace if necessary the filter in the end
of the vent pipe respectively clean the
hole in the crankcase.
Crankshaft
Dismantling
Dismantle the piston from the connecting
rod and the pump pinion from the crank-
shaft.
505 38 18-17
Remove the bearing seats from the ball
bearings.
Crankshaft
Dismantle the crankshaft from the cylin-
der. If necessary refer to chapter 7 "Cylin-
der and piston".
Remove the oil pump gear from the
crankshaft by means of extractor 530 03
11-36.
Lift off the sealing rings and ball bearings.
Inspect the crankshaft. Refer to chapter
"Checking of crankshaft".
Replace damaged parts and fit in the
reverse order to dismantling.
Mod. 2041/2045/2050
Crankcase
Dismantle all parts on the chain saw so
that only the crankcase remains.
Check that the fuel tank vent is open by
blowing and sucking in the vent pipe
when the tank cover is removed.
Replace if necessary the filter in the end
of the ventilation pipe respectively clean
the hole in the crankcase.
Crankshaft
Dismantling
Dismantle the piston from the connecting
rod and the pump pinion from the crank-
shaft by means of extractor 505 38 18-17.
Brace the extractor in a vice since the
pinion sits tightly on the shaft.
Twist apart the two halves of the bearing
seats and remove them from the ball
bearings by means of a screwdriver.
8
101