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10-01 Replacing the piston /crankshaft
Check running surfaces of the piston (1),
connecting rod bearing (2), crankshaft
bearing (3) and piston bolt (4) for wear or
damage. Replace faulty parts.
10-01 Replacing the radial sealing rings/
bearings
For the removal and mounting of the crankshaft
bearing and sealing ring on the clutch side, pull off
the worm of the oil pump using the removal and
mounting tool 950.500.060.
1
3
2
4
5
10-01 Replacing the piston/crankshaft
Check radial sealing rings and crankshaft
bearings; if necessary pull off crankshaft bear-
ings and replace radial sealing rings (5) by new
ones.
6
10-01 Mounting the driving mechanism
Insert the crank case lower part into the
motor housing, and insert the oil pump
drive worm into the gearing of the oil
pump.
--->
7
8
10-01 Mounting the worm
Twist the worm (7) into the removal and as-
sembly tool until it is flush (left-handed thread).
Position assembly sleeve 944.500.580 (8)
onto the crankshaft. Push the worm onto the
crankshaft as far as it will go.
11 Crankshaft
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