ADDENDUM
NOTE: The product may vary slightly from the illustrations contained in these instructions.
Fig. 1
Cutting Head
769-11738 / 00 06/16
WARNING:
Carefully read and understand the operator's
manual of the unit that powers this accessory. Follow all
safety instructions contained therein. Failure to do so can
result in serious injury to the operator and/or bystanders.
WARNING:
To prevent serious injury, never replace the
cutting head while the unit is running. Always allow the unit
to cool before replacing the cutting head. Disconnect the
spark plug wire to prevent the unit from starting
accidentally. Refer to the trimmer operator’s manual for
stopping instructions and spark plug information.
Tools Required:
• 1/2 inch (13 mm) wrench
REMOVING THE BUMP HEAD CUTTING HEAD AND
INSTALLING THE AERO-FLEX
®
CUTTING HEAD
Removing the Bump Head Cutting Head
1. Hold the cutting head in place. Turn the bump knob clockwise to
unscrew it from the cutting head (Fig. 1).
2. Slide the cutting head off of the arbor (Fig. 1).
Installing the Aero-Flex Cutting Head
1. Slide the cutting head base onto the arbor (Fig. 2).
Make sure
t
hat the cutting head base fits securely onto the hexagonal
portion of the arbor.
2. Insert the bolt into the center of the cutting head base (Fig. 3).
Turn the bolt counterclockwise with a 1/2 inch (13 mm) wrench
to tighten the bolt securely.
3. Hold one of the line blades so that the loop faces to the right.
Align the loop with one of the posts on the cutting head base
(Fig. 4). Push the loop on
to the post secure
ly.
4. Repeat step 3 until all four line blades are installed (two yellow
and two orange). Always alternate between yellow and orange
line blades (Fig. 5). Do not install two line blades of the same
color next to each other.
5. Align the tabs on the cutting head cap with the tab slots on the
cutting head base (Fig. 6). Push the cutting head cap onto the
cutting head base until both tabs s
nap into place.
WARNING:
To prevent serious injury, wear protective
gloves when swapping cutting heads. Avoid contact with
the line cutting blade on the cutting head shield.
Bump Knob
Arbor
WARNING:
Never install less than four line blades. Doing
so could make the unit unstable and hard to control, which
could result in serious personal injury.
Fig. 2
Arbor
Cutting Head Base
Fig. 4
Line Blade
Post
Loop
Cutting Head
Base
Line Blade Slot
Fig. 3
Bolt
Cutting Head
Base
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