Rewind Starter; General; Fan Housing - Stihl MS 231 Manual

8.

Rewind Starter

8.1

General

If the action of the starter rope
becomes very stiff and the rope
rewinds very slowly or not
completely, it can be assumed that
the starter mechanism is in order
but plugged with dirt. At very low
outside temperatures the lubricating
oil on the rewind spring may thicken
and cause the spring windings to
stick together. This has a
detrimental effect on the function of
the starter mechanism.
In such a case it is sufficient to apply
a few drops of a standard solvent-
based degreasant (containing no
chlorinated or halogenated
hydrocarbons) to the rewind spring.
Carefully pull out the starter rope
several times and allow it to rewind
until its normal smooth action is
restored.
Before installing, lubricate the
rewind spring and starter post with
STIHL special lubricant, b 14.
If clogged with dirt or pitch, the
entire starter mechanism, including
the rewind spring, must be removed
and disassembled. Take particular
care when removing the rewind
spring.
– Clean all components.
Models with ErgoStart
– Relieve tension of rewind spring,
b 8.4
58
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8.2

Fan housing

– Remove the shroud, b 6.4
1
: Take out the screw (1) with
sleeve and screws (arrows).
– Lift the hand guard a little and
remove the fan housing.
1
2
: Apply a punch to the holes on the
other side of the segment (1) to
push it off the pegs (2).
– Examine the fan housing and
segment and replace if
necessary.
Installing
: Engage the segment (1) in the
slots (arrows) in the fan housing
first and swing it into position.
1
2
: Push the segment (1) onto the
pegs (2) as far as stop.
2
1
– Lift the hand guard a little and fit
the fan housing in position.
: Insert screw (1) with sleeve and
screws (arrows) and tighten them
down firmly.
– Reassemble all other parts in the
reverse sequence.
MS 231, MS 231 C, MS 251, MS 251 C
1
2