Troy-Bilt TB490BC - Manual (Page 9)

9
ASSEMBLY INSTRUCTIONS
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. 6).
REMOVE THE CUTTING ATTACHMENT &
INSTALL 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. 7).
(3) Screws
Cutting
Attachment
Shield
Shield Mount
Gear Housing
Fig. 6
Cutting Attachment
Locking Rod
Slot
Locking Rod
Shaft Bushing Hole
Locking Rod Slot
Output Shaft
Bushing
Locking Rod
Output Shaft
2. Hold the locking rod in place by grasping it next to
the boom of the unit (Fig. 8).
3. While holding the locking rod, remove the cutting
attachment by turning it clockwise off of the output shaft
(Fig. 9). Store the cutting attachment for future use.
NOTE: The blade retainer under the cutting attachment
will be used when installing the cutting blade.
Fig. 7
Fig. 9
Fig. 8
Install the Cutting Blade
4. Place the cutting blade on the output shaft bushing
(Fig. 10).
Shield
Mount
Locking Rod
Cutting
Blade
Blade Retainer
Nut
Output Shaft
Bushing
Pilot Hole
Fig. 10
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.
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.
WARNING:
To avoid serious
personal injury,
always wear gloves while handling or
installing the blade.
WARNING: