57MS 440, MS 440 C
The rewind spring is correctly
tensioned when the starter grip sits
firmly in the rope guide bushing
without drooping to one side. If this
is not the case, tension the spring
by one additional turn.
When the starter rope is fully
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extended, it must still be possible to
rotate the rope rotor at least another
half turn before maximum spring
tension is reached. If this is not the
case, pull the rope out, hold the
rope rotor steady and take off one
turn of the rope.
Do not overtension the rewind
spring as this will cause it to
break
– Fit the fan housing with rewind
starter – b 8.2
Wear on the guide bushing is
accelerated by the starter rope
being pulled sideways. The wall of
the bushing eventually wears
through and the bushing becomes
loose.
– Remove the starter mechanism –
b 8.2
– Remove the rope rotor – b 8.4
: Pull the knot (1) in the starter
rope out of the recess (2) in the
rope rotor.
– Undo the knot.
: Pull the starter rope out of the
rope rotor and rope guide
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bushing.
– Use a suitable implement to pry
the defective rope guide bushing
out of the fan housing with starter
mechanism.
Installing the rope guide bushing
– Install the bushing in the mount in
the fan housing with starter
mechanism.
: Insert the screw spindle (1) of the
installing tool 0000 890 2201
through the bushing from inside
the fan housing.
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: Fit the thrust sleeve (1), tapered
end first, and the hex nut.
: Tighten down the hex nut until the
bushing is firmly seated.
The installing tool flares the lower
end of the rope bushing.
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– Remove the installing tool.
– Fit the starter rope and rope
rotor – b 8.5
Reassemble all other parts in the
reverse sequence.
8.6 Starter Rope Guide
Bushing
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