108
8
502 54 09-01
502 51 61-01
Check that the crankshaft rotates easily.
Fit the sealing ring on the flywheel side.
Crankshaft and crankcase
Mod. 2077/2083
Crankcase
Dismantling
Remove the oil pump gear from the crank-
shaft.
Remove the cylinder base gasket and
crankcase screws.
Press apart the crankcase halves.
Check that the crankshaft rotates easily.
Lubricate the shaft journal with oil and fit
the seal on the flywheel side by means of
mandrel 506 38 17-09
The plate mantle should be turned out-
wards.
Press in the sealing ring far enough so
that it lies level with the conical surface.
Mod. 2077/2083
Crankcase
Dismantling
Dismantle all parts on the chain saw so
that only the crankcase and crankshaft
remain.
Pull off the oil pump gear from the crank-
shaft by means of extractor 502 54 09-01.
Remove the cylinder base gasket and all
the screws (7 pcs) which hold the
crankcase halves together.
Fit tool 502 51 61-01 on the clutch side’s
crankcase half and press the crankcase
halves apart.
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