Stihl MS 440 Service Manual page 43

1
: Screw threaded sleeve (1)
5910 893 2409 of service tool AS
5910 890 2205 onto the spindle
as far as stop (left-hand thread).
– Push the threaded sleeve over
the crankshaft stub.
: Hold the crankshaft steady and
rotate the spindle
counterclockwise to screw the
threaded sleeve onto the
crankshaft stub.
– Release the crankshaft. Hold the
service tool steady and continue
turning the spindle until the tool
locates against the guide bar
mounting face.
– Fix the nuts for the sprocket
cover on the bar mounting studs
and screw them down finger-
tight.
42
: Turn the spindle counterclock-
wise until the crankshaft locates
against the ball bearing.
– Unscrew the hex nuts.
– Unscrew the spindle clockwise
and take away the service tool.
– Take out the two M5x72 screws.
: Drive the straight pin on the chain
tensioner side home with a size
5 mm (1.97 in) drift.
: Fit the screws (arrows) and
tighten them down firmly in an
alternate pattern – b 3.5
Trim away any excess gasket
material in the area of the cylinder
mounting face.
– Grease the sealing lips of the oil
seals – b 16.
– Thinly coat the outer
circumference of the oil seals
with sealant – b 16.
– Slide the oil seal with the open
side facing the crankcase over
the crankshaft stub on the fan
side.
: Press the oil seal home with
press sleeve (1) 1128 890 3900.
The surface must be level and free
from burr.
MS 440, MS 440 C
1