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15
Maintenance
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How to Replace the Trimmer Lines
When the trimmer line becomes worn to half the original
length, replace the trimmer line. For the best performance,
use a heavy gauge 0.155 in. [4 mm] trimmer line.
1. Stop the engine. Wait for all moving parts to stop.
Disconnect the wire from the spark plug.
2. Remove the worn trimmer line from line retainer.
3. Cut the length of the trimmer line to 21.5 in. [546 mm].
Use the length guide; located on the shield to make sure
the trimmer line is the correct length. (See Figure 11)
NOTE:
Do not allow the length of the lines to vary more than
one inch. Make sure the trimmer head is balanced and
does not vibrate.
IMPORTANT:
To extend the life of the trimmer line, keep the
trimmer line moist. If not kept moist, the nylon trimmer line
will become dry and brittle. Keep extra trimmer line in a can
of water. The line will then stay flexible and easy to change.
A flexible line will also last much longer.
Figure 11
Figure 12
Figure 13
Figure 14