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NOTE: Remove the trimmer head and plastic
shield before attaching the metal shield and
installingtheweedblade.Toremovethetrimmer
head, align hole in the dust cup with the hole in
the sideof the gearbox by rotatingthe dustcup.
Insert a small screwdriver into aligned holes.
This will keep the shaft from turning while loos-
ening the trimmer head. Remove the trimmer
head by turningclockwise. Removethe screw-
driver. Toremovethe plastic shield, loosen and
removenut.Pivotshieldtorelease bracketfrom
slot. See INSTALLATION OF THE CUTTING
HEAD and ATTACHING THE PLASTIC
SHIELD for illustrations. Be sure to store all
parts and instructions for future use. Never use
the trimmer head with the metal blade installed.
ATTACHING THE METAL SHIELD
WARNING: The metal shield must be
properly installed on the tool anytime the tool is
used with a blade. Failure to install the shieldin
thepositionshowncanresult in serious injury to
the operator. The length of the shield must be
aligned with the length of the shaft.
1. Place the metal shield under the gearbox,
and align the screw holes.
Shield
Gearbox
2. Insert and thread the 4 mounting screws
through the holes of the gearbox and the
metalshield. Tightenevenly andsecurely
with the hex wrench provided.
INSTALLATION OF THE METAL
BLADE
WARNING: Wear protective gloves
when handling or performing maintenance on
thebladetoavoidinjury. The bladeis sharpand
can cut you even when it is not moving.
WARNING: Do not use any blades,or
fastening hardware other than the washers and
nuts shown in the following illustrations. These
parts must be provided by McCulloch and
installed as shown below. Failure to use proper
parts can causethebladetoflyoffandseriously
hurt you or others.
NOTE: The dustcupandretaining washerare
locatedonthegearboxshaftandnotintheparts
bag. Allotherfasteners mentionedin thefollow-
ing assembly steps are in the parts bag.
1. Remove the retaining washer from the
threaded shaft of the gearbox. Leave the
dust cup on the shaft.
2. Install the blade and the retaining washer
over the threaded shaft.
3. Make sure the raised part of the retaining
washerisfacingthegearbox and theraised
area fits into the hole in the center of the
blade.
4. Slide the blade and retaining washer onto
the shaft of the gearbox.
5. Place the cupped washer onto the shaft.
Make surethecupped sideof thewasher
is toward the blade.
6. Installthe blade nut by threading onto the
shaft counterclockwise.
Shield
Blade
Retaining
Washer
Dust Cup
Cupped
Washer
Nut
Threaded Shaft
Gearbox
NOTE: Make sure all parts are in place as il-
lustrated, andthe bladeis sandwichedbetween
the dust cup and the retaining washer. There
should be no space between the blade and the
dust cup or the retaining washer.
7. Align hole in dust cup with hole in side of
gearbox by rotating the blade.
8. Insert a small screwdriver into aligned
holes. Thiswillkeeptheshaftfromturning
while tightening the blade nut.
Screwdriver
9. Tighten bladenut firmly with awrench while
holding screwdriver in position.
10. Remove the screwdriver.
11. Turn blade by hand. If the blade binds
againsttheshield,orappears to beuneven,
the blade is not centered, and you must re-
install.
NOTE: To remove blade, insert screwdriver
intoalignedholes.Unthreadthenut andremove
parts. Besuretostorepartsandinstructionsfor
future use.