Troy-Bilt 182826 TB4000 - Manual (Page 12)

12
Assembly (continued)
6. Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the bushing hole
(Fig. 3-8, Pg. 10).
7. Put the blade retainer and nut on the output shaft.
Make sure that the blade is installed correctly.
8. Tighten nut counterclockwise against the blade
while holding the locking rod;
• If using a torque wrench and an 5/8 inch socket
tighten to;
325 - 335 in•lb,
27 - 28 ft.•lb,
37 -38 N•m.
• Without a torque wrench, use a 5/8 inch closed-end
or socket wrench, turning the nut until the blade
retainer is snug against the shaft bushing. Make sure
that the blade is installed correctly, then rotate the
nut an additional 1/4 to 1/2 turn counterclockwise
(Fig. 3-13).
9. Remove the locking rod from the locking rod slot.
Cutting Attachment
Locking Rod
Clockwise
Blade Retainer
Output Shaft
Bushing
1/4-1/2 turn
Counterclockwise
To avoid serious personal injury or damage to the
unit, do not start or operate this unit with the
locking rod in the locking rod slot.
Do not sharpen the cutting blade. Sharpening the
blade can cause the blade tip to break off while
in use. This can result in severe personal injury.
Replace the blade.
REMOVE THE CUTTING BLADE AND INSTALL
THE CUTTING ATTACHMENT
Remove the Cutting Blade
To avoid serious personal injury, always wear
gloves while handling or installing the blade.
1. Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the bushing hole
(Fig. 3-8, Pg. 10).
2. Hold the locking rod in place by grasping it next to
the boom of the unit (Fig. 3-14).
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. 3-14).
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. 3-8, Pg. 10). Place the blade retainer
on the output shaft with the flat surface against the
output shaft bushing as shown in Fig. 3-15. 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.
Fig. 3-13
Fig. 3-14
Fig. 3-15