Partner B305 CBS Rev.7 - Manual (Page 6)

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NOTE: The retaining washer must be
positioned with the raised section facing
toward the gearbox.
ASSEMBLY INFORMATION -
WEED BLADE
WEED
BLADE
NOTE: Remove the trimmer head before
installing the weed blade. To remove the
trimmer head, align hole in the dust cup with
the hole in the side of the gearbox by
rotating the dust cup. Insert a small
screwdriver into aligned holes. This will
keep the shaft from turning while loosening
the trimmer head. Remove the trimmer
head by turning clockwise. Remove the
screwdriver.
See INSTALLATION OF THE CUTTING
HEAD for illustrations. Be sure to store all
parts and instructions for future use.
INSTALLATION OF THE METAL
BLADE
WARNING:
Wear protective gloves
when handling or performing maintenance
on the blade to avoid injury. The blade is
sharp and 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
and installed as shown below. Failure to use
proper parts can cause the blade to fly off
and seriously hurt you or others.
NOTE: The dust cup is located on the
gearbox shaft and not in the parts bag. All
other fasteners mentioned in the following
assembly steps are in the parts bag.
CAUTION:
Before you take apart the
blades, wear gloves to prevent any danger.
CAUTION:
When the machine is not
in use or in transportation, make sure
blades have been covered.
1. Install the blade and the retaining washer
over the threaded shaft.
2. Make sure the raised part of the retaining
washer is facing the gearbox and the
raised area fits into the hole in the center
of the blade.
3. Slide the blade and retaining washer
onto the shaft of the gearbox.
4. Place the cupped washer onto the shaft.
Make sure the cupped side of the washer
is toward the blade.
5. Install the blade nut by threading onto the
shaft counterclockwise.
Shield
Blade
Retaining washer
Aligned holes
Cupped washer
Nut
Threaded
shaft
Wrench
Dust cup
Gearbox
NOTE: Make sure all parts are in place as
illustrated, and the blade is sandwiched
between the dust cup and the retaining
washer. There should be no space between
the blade and the dust cup or the retaining
washer.
6. Align hole in dust cup with hole in side of
gearbox by rotating the blade.
7. Insert a small screwdriver into aligned
holes. This will keep the shaft from
turning while tightening the blade nut.
8. Tighten blade nut firmly with wrench
(provided) while holding screwdriver in
position.
9. Remove the screwdriver.
10.Turn blade by hand. If the blade binds
against the shield, or appears to be
uneven, the blade is not centered, and
you must reinstall.
NOTE: To remove blade, insert screwdriver
into aligned holes. Unthread the nut and
remove parts. Be sure to store parts and
instructions for future use.
REMOVE AND INSTALLATION THE
BLADE COVER
1. Before assembling blades, please
remove the blades cover first.
2. Refer figure 6A and Figure 6B, hold the
blades cover, and pull sligtly the cover
outward the cover can be taken apart.
3. Refer to figure 6C and 6D, and assemble
in the opposite way to cover the blades.
Fig. 6A Fig. 6B
2. Insert a small screwdriver into aligned
holes. This will keep the shaft from
turning while tightening trimmer head.
3. While holding the screwdriver in position,
thread trimmer head onto the shaft in the
direction shown on the decal
(counterclockwise). Tighten until secure.