Echo SRM-510ES Operator's Manual page 22

Before you start
1. Tap knob
2. Hit knob against the
ground surface lightly
1. Tap knob of spool
2. Cover
1.Intermediate separator
2.Bent portion
3.Notch Nylon line
3. Nylon line comes out
3. Housing
4. Spool
4.Winding direction for the
line
5.If wound unfirmly, the
line loosens.
6.Wind firmly into respec-
tive groove.
Adjusting nylon line
Make sure there is no bystander within 15 m radius and pay
enough attention to objects in the surroundings before starting
operation.
Do not rotate the nylon line cutting head at more than 10000 r/
min.
Do not hit the nylon line cutting head against hard foreign mat-
ters such as rocks, concrete, tree stub and bottle etc.
When releasing nylon line from spool hit tap knob of spool
against the ground surface lightly at rotation speed lower than
4500 r/min.
Cut off knife on the shield adjusts cutting swath automatically
by cutting nylon lines evenly when attachment starts rotating.
When operating with less than maximum cutting swath, cut
two nylon lines in equal lengths.
Replacing nylon line
Shut down trimmer engine without fail and make sure ny-
lon line cutting head has stopped rotating before starting
replacement procedure.
1. Press "retaining pawls" (at two places) inward and lift cover
to remove it.
It is easier to remove one after another.
2. Remove spool.
3. When nylon line on the spool is almost exhausted, remove
remaining line from spool and wind "new line" according to
the procedures (4) and beyond.
When the line on the spool is "melted and stuck" remove the
entire line while peeling off the "melted and stuck" portion
and wind the "removed line" anew according to procedures
(4) and beyond.
4. Bend the line at the point 15 cm away from the middle of
whole length and hook the bent portion into the "notch" of the
intermediate separator.
5. Wind the line firmly into groove of the spool following "wind-
ing direction for the line LH".
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DANGER