Line Replacement; Wind The Spool With New Line - Kobalt KST 2224B-03 Manual

Brushless string trimmer
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OPERATING INSTRUCTIONS

8. Line Replacement

NOTICE: Always use triangle-shaped twisted
nylon cutting line with a size that does not exceed
0.08 in. (2.0 mm). Using line other than that
specified may cause the string trimmer to overheat
or become damaged.
WARNING
• Never use metal-reinforced line, wire, or rope,
etc. These can break off and become dangerous
projectiles.

Wind the spool with new line

WARNING
• To prevent serious personal injury, remove the
battery pack from the tool before servicing,
cleaning, changing attachments or removing
material from the unit.
a. Press the two release tabs on the spool base
and remove the spool retainer by pulling it
straight out (Fig. 8a).
b. Remove the spool. Use a clean cloth to clean
the inner surface of the spool retainer and
spool base.
NOTICE: Always clean the spool retainer and
spool base before reassembling the trimmer head.
c. Check the spool retainer, spool and spool base
worn wear parts.
d. Take approximately 15 ft. (4.5 m) of 0.08 in.
(2.0 mm) diameter cutting line. Fold the line in
half and then adjust it so that one end is 4.5 in.
(11 cm) longer than the other (Fig. 8b).
e. Hook the folded end of the cutting line onto
either of the slots in the spool.
f.
Wind the line, in two even and tight layers,
onto the spool. Wind the line in the direction
indicated on the spool.
NOTICE: Failure to wind the line in the direction
indicated will cause the trimmer head to operate
incorrectly.
g. Place the ends of the line in two opposite notches in the spool, with approximately 5 in.
(12.5 cm) protruding (Fig. 8c).
8a
8b
8c
14
Tap
4.5 in.
(11 cm)

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Alan Horridge
April 26, 2025

Is there a way to change the useless trimmer head?

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