Stihl MS 440 Service Manual page 37

– Remove the piston – b 6.5.2
– Remove the ignition module –
b 7.1.2
– Remove the oil seals – b 6.3
– Remove the generator on
machines with handle heating –
b 14.5
: Press the grommet out of the
housing.
– Pull the short-circuit wire and
ground wire out of the housing.
: Unplug the impulse hose from the
connector (arrow).
– Remove the screws from the
annular buffers on the clutch side
– b 12.8
36
– Remove the screw from the
bottom annular buffer on the fan
side – b 12.8
– Remove the crankcase from the
tank housing.
– Remove the oil seals – b 6.3
: Take out the screw (arrow),
steadying the self-locking nut at
the same time.
– Remove the spiked bumper.
: Remove the screws (arrows)
from the two halves of the
crankcase.
– Draw the reflector foil off the
crankcase.
1
: Drive the straight pin (1) on the
chain tensioner side out of the
two crankcase halves with a size
5 mm (1.97 in) drift (2).
2
1
3
– Back off the spindle (1) in service
tool AS 5910 007 2205 all the
way.
: Slip service tool AS (2) over the
two collar studs.
: Fit the hex nuts (3) (for sprocket
cover) and tighten them down by
hand.
: Turn the spindle (1) of the service
tool clockwise until the crankshaft
is pressed out of the ball bearing.
The two halves of the crankcase
separate during this process.
– Remove the service tool AS.
MS 440, MS 440 C
2