Service And Adjustment - Craftsman 536.773521 Operating Instructions Manual

6.5 horsepower key start highwheel weedtrimmer
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SERVICE AND ADJUSTMENT
SERVICE AND ADJUSTMENT
_IL
WARNING:
Before you inspect, clean or service the trimmer,
stop the engine.
Make sure that all moving parts have stopped.
Disconnect
the wire from the
spark plug.
HOW TO
REPLACE THE TRIMMER LINE
For the best performance, use a heavy
gauge (0.155" diameter) trimmer line. Cut
the length of the trimmer line to 21.5 inches.
Use the length guide, located on the shield,
to make sure the trimmer line is the correct
length. See Figure 16. Do not allow the
length of the lines to vary more than one
inch. This is important to make sure the trim-
mer head is balanced and does not vibrate.
IMPORTANT:
To extend the life of the trim-
mar line, keep the trimmer line moisL If not
kept moist, the nylon trimmer line will be-
come 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.
Tdmmer Line
Shield
Figure 16
HOW TO CHANGE TRIMMER LINES
When the tdmmer line becomes worn to half the original length, replace the tdmmar line as
follows:
Line
Trimmer
Retainer
Line
1.
Step the engine. Wait for
all moving parts to stop.
2.
Remove worn trimmer
line from line retainer.
3.
First, thread the ands of
the new
trimmer
line
through
the
outside
loops.
Line
Retainer
4.
Next, take the ends of the
line, cross over the line
retainer, and thread the
ends through the center
hole.
I((
5.
Then, check to make
sure thatthe ends ofthe
line are even.
F-C_0211M
16

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