Stihl MS 231 Manual page 66

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Make sure that the rewind spring (1)
is properly seated and the outer
anchor loop is engaged on the
lug (arrow). If necessary, push the
rewind spring fully into its seat in the
fan housing.
– Secure the spring so that it
cannot pop out.
– Install the rope rotor, b 8.5
– Reassemble all other parts in the
reverse sequence.
MS 231, MS 231 C, MS 251, MS 251 C
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Re-installing rewind spring in
frame
As the spring seat is deeper on
models with ErgoStart, the rewind
spring can only fitted directly in the
fan housing if it is preassembled in
a frame.
If the rewind spring has popped out,
refit it in the frame as follows:
: Fit the anchor loop in its
seat (arrow) in the frame.
: Fit the rewind spring (1)
counterclockwise in the frame,
holding the windings steady in
the process.
The procedure is otherwise the
same as that for installing a new
rewind spring on models without
ErgoStart.
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