Troy-Bilt 41 AM079G063 User Manual

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Assembly (continued) 
Cutting Attachment
Locking Rod
Blade Retainer
Output Shaft
Bushing
Fig. 2-20
1. Align the shaft bushing hole with the locking rod 
slot and insert the locking rod into the bushing hole
(Fig. 2-14, Pg. 9).
2. Hold the locking rod in place by grasping it next to
the boom of the unit (Fig. 2-15, Pg. 9).
3. While holding the locking rod, loosen the nut on 
the blade by turning it clockwise with a 5/8 inch
closed-end or socket wrench (Fig. 2-19). 
4. Remove the nut, blade retainer, and blade. Store
the nut and blade together for future use in a
secure place. Store out of reach of children.
Install the Cutting Attachment
5. Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the shaft bush-
ing hole. (Fig. 2-14, Pg. 9). Place the blade retainer
on the output shaft with the flat surface against the
output shaft bushing as shown in Fig. 2-20. Screw
the cutting attachment counterclockwise onto the
output shaft. Tighten securely.
NOTE: The blade retainer must be installed on the
output shaft in the position shown for the cutting
attachment to work correctly.
6. Remove the locking rod.
7. Install the cutting attachment shield. See 
Section 3, Assembly, Remove and Install Cutting
Attachment Shield.
To avoid serious personal injury, the cutting
attachment shield SHALL be in place at all times
while operating the unit as a grass trimmer. 
REMOVING AND INSTALLING CUTTING
ATTACHMENT SHIELD 
Remove the cutting attachment shield when using
the unit as a brush cutter.
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.
Remove the cutting attachment shield from the shield
mount by removing the three (3) screws with a flat
blade screwdriver (Fig. 2-21). Store parts for future use.
Install the cutting attachment shield when using the
unit as a grass trimmer.
To avoid serious personal injury, the cutting
attachment shield SHALL be in place at all times
while operating 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. 2-21).
(3) Screws
Cutting
Attachment
Shield
Shield Mount
Gear Housing
Fig. 2-21