Troy-Bilt 2-Cycle Gasoline Trimmer/Brushcutter TB90BC - Manual (Page 5)

5
INSTALL THE HARNESS
1. Push the strap through the
center of the buckle.
2. Pull the strap over the cross
bar and down through the slot
in the buckle (Fig. 5).
3. Put the harness on over head
and onto shoulder. Snap it on
to the support fitting (Fig. 6).
4. Adjust length to fit the operator’s
size. Pull tab to lengthen, pull
strap to shorten (Fig 7).
Support Fitting
Fig. 6
Fig. 7
REMOVE AND INSTALL THE CUTTING ATTACHMENT SHIELD
Remove the cutting attachment shield when using the unit
as a brushcutter
Remove the cutting attachment shield from the shield mount
by removing the three (3) screws with a flat blade screwdriver
(Fig. 4). Store parts for future use.
REMOVE THE CUTTING ATTACHMENT AND INSTALL THE
CUTTING BLADE
NOTE:
To make cutting blade removal and installation easier, place
the unit on the ground or on a work bench.
Remove the Cutting Attachment Shield
See Remove and Install the Cutting Attachment Shield.
Remove the Cutting Attachment
1.
Align the shaft bushing hole with the locking rod slot and insert
the locking rod into the shaft bushing hole (Fig. 8).
(3) Screws
Cutting
Attachment
Shield
Shield Mount
Gear Housing
Fig. 4
ASSEMBLY INSTRUCTIONS
WARNING: The cutting attachment shield should
NOT be installed when operating the unit with a
blade. Remove the cutting attachment shield
before removing or installing the blade.
WARNING: Always use the shoulder harness
when using the cutting blade to avoid serious
personal injury.
WARNING: The gear housing gets hot with use.
It can result in injury to the operator. The housing
remains hot for a short time even after the unit is
turned off. Do not touch the gear housing until it
has cooled.
Fig. 5
Install the cutting attachment shield when using the unit as
a grass trimmer
Install the cutting attachment shield on the shield mount by
inserting the three (3) screws into the shield mount. Tighten
securely with a flat blade screwdriver (Fig. 4).
WARNING: To avoid serious personal injury, the
cutting attachment shield MUST be in place at all
times while operating the unit as a grass trimmer.
Shaft Bushing Hole
Locking Rod Slot
Output Shaft
Bushing
Locking Rod
Output Shaft
Fig. 8
2. Hold the locking rod in place by grasping it next to the
boom of the unit (Fig. 9).
3. While holding the locking
rod, remove the cutting
attachment by turning it
clockwise off of the output
shaft (Fig. 10). Store the
cutting attachment for
future use.
NOTE: The blade retainer
under the cutting
attachment will be
used when installing
the cutting blade.
Fig. 9
Cutting Attachment
Locking Rod
Slot
Locking Rod
Fig. 10