Tensioning The Rewind Spring; Replacing The Rewind Spring - Stihl MS 661 Manual

: Pry out the nipple (1) and pull
starter rope (2) out of the grip.
Check the starter rope and replace
if necessary.
Installing
: Thread the new starter rope
through the top of the starter grip,
press the nipple (1) into the grip
until it snaps into place.
1
: Thread the starter rope (1)
through the opening (arrow) in
the rope rotor.
78
: Tie a simple overhand knot in the
end of the new rope (1) and pull it
back into the rotor.
2
– Tension the rewind spring, b 9.6
– Reassemble all other parts in the
reverse sequence.
1
9.6 Tensioning the Rewind
Spring
– Remove the rewind starter,
b 9.2
1
1
: Pull out a short length of starter
rope (1).
: Make a loop with the starter
rope (1) and use it to rotate the
rope rotor 6 turns clockwise.
Hold the rope rotor steady since it
will otherwise spin back and may
damage the rewind spring.
: Pull out the twisted rope (1) in
direction of starter grip and
straighten it out.
: Keep the rope (1) under tension
and slowly release the rope rotor.
The starter grip must sit firmly in the
rope guide bushing.
If it droops to one side: Tension the
rewind spring by one additional turn.
When the starter rope is fully
extended it must still be possible to
rotate the rope rotor another 1/2 to 1
1/2 turns. If this is not the case,
spring tension must be reduced
– they might otherwise break.
To reduce spring tension:
Hold the rope rotor steady and take
one turn off the rope.
– Install the rewind starter, b 9.2
9.7 Replacing the Rewind
Spring
– Troubleshooting, b 3.4
– Remove the rewind starter,
b 9.2
– Relieve tension of rewind spring if
necessary and remove the rope
rotor, b 9.4
– Remove any remaining pieces of
the old rewind spring.
Even a worn rewind spring is still
pre-loaded in the installed condition.
MS 661, MS 661 C-M