Stihl MS 171 Manual page 59

10.8 Replacing the Rewind
Spring
– Troubleshooting,
The replacement spring comes
ready for installation in a spring
housing.
Wear a face shield and work gloves.
– Remove the fan housing and, if
necessary, the segment, b 10.1
and b 10.2
– Relieve tension of rewind spring if
necessary and remove the rope
rotor, b 10.5
– Remove any remaining pieces of
old spring.
– Lubricate the spring with a few
drops of STIHL special lubricant
before installing, b 16
1
: Place the replacement spring
with housing in position – the
spring's anchor loop (arrow) must
locate over the lug (1).
58
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: Push the rewind spring with
housing as far as stop into its
seat (arrow) in the fan housing.
The rewind spring may pop out
during this process.
– Remove the spring housing.
1
Check that the new rewind spring
(1) is properly seated and the
anchor loop is engaged on the lug
(arrow).
If the rewind spring has popped out,
refit it in the fan housing as follows:
– Arrange the spring in its original
position.
2
: Place anchor loop (1) in the
opening (arrow) in the installing
tool (2) 1116 893 4800.
Make sure the anchor loop does not
project too far. It cannot be pushed
back after it is fitted in the installing
tool – but it can be pulled out.
: Fit the rewind spring
counterclockwise in the tool.
– Secure the spring so that it
cannot pop out.
2
3
1
– Push the installing tool (1) with
spring onto the starter post.
Line up the installing tool so that the
anchor loop (2) is above the lug (3)
and the opening in the installing tool
is in the position shown (arrow).
MS 171, MS 181, MS 211
1