Stihl MS 460, Руководство по обслуживанию

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39 MS 460, MS 460 C
:
Remove the annular buffer (1) at
the flywheel side of the
crankcase.
:
Unscrew the oil tank cap (2).
:
Disconnect the tank cap cord (3)
and remove it together with the oil
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3
2 1
tank cap.
:
Push the annular buffer (arrow)
out of the clutch side of the
crankcase.
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New crankcases are supplied with
preassembled ball bearings and oil
seals.
It is necessary to stamp the
machine’s serial number on the
crankcase with 2.5 mm figure
stamps.
If only the ball bearings have to be
replaced, make sure the annular/
stop buffers, the suction hose and
oil tank cap are removed before the
crankcase is heated.
If the original crankcase is used
again, remove all gasket residue
and clean the mating surfaces
thoroughly to guarantee a perfect
seal.
If a new crankcase is installed, the
following additional operations are
necessary:
– Install the chain brake,
b
5.4.3
– Fit the bar mounting studs,
b
5.6
– Install the chain tensioner,
b
5.5
:
The pin (arrow) must be in place.
Drive it into the crankcase if
necessary.
– Heat the area of the ball bearing
seat on the flywheel side of the
crankcase to about 150 °C
(302 °F).
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:
Place the ball bearing, open side
facing up, on the inside of the
crankcase and push it home by
hand as far as stop.
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6.7.2 Installing the Crankshaft