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c.Holding the line in the gap,
insert the end through the
eyelet in the hub and slip the
spool into the hub, as shown
in figure 13.
Make sure the spring is still in
place in the hub. If the spool
does not slip into the hub
easily, press gently and pull
straight out on the cutting line
that protrudes through the
eyelet.
4. Once the spool drops into the
hub, align the release tabs on
the shroud with the slots in the
hub as shown in figure 14 and
press the shroud into place. Be
sure that both release tabs
snap into place.
5. To replace the line on a spool,
follow the steps below
a.Locate, on the empty spool,
one of the two small holes
shown in figure 15.
RELOADING LINE ST4500
USE ONLY .065 in. (1.65mm) DIAMETER NYLON
MONOFILAMENT LINE. Heavier line will overload the motor and
cause overheating. This line is available at your local dealer or
authorized service center.
Do not use fishing line or other
lines that are not recommended.
1. Unplug extension cord at
trimmer.
2. Remove the bump cap by pulling
up while depressing the two
release tabs on the sides of the
hub at the points shown in
figure 11.
NOTE: It may be necessary to
pull up on the cap while
depressing the release tabs one
side at a time.
3. Remove any broken cutting line,
wrap the remaining line tight and
reinsert spool into hub as
follows.
a.Wind the line tight enough so
that it is all below the edges of
the flanges on the spool. If it
extends past the flanges, it
wonʼt fit into the hub.
b.Place the loose end of the
cutting line through the gap in
the spool flange as shown in
figure 12. (Either gap will do
but try to leave yourself about
3 or 4 inches of line to work
with.)
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90556352 ST4500.qxd: chainsaw booklet new 10/20/09 8:03 AM Page 7