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.
Cutting Attachment
Locking Rod
Slot
Locking Rod
Fig. 10
Install the Cutting Blade
WARNING:
always wear gloves while handling or
installing the blade.
4. Place the cutting blade on the output shaft bushing
(Fig. 11).
Blade Retainer
Pilot Hole
Output Shaft
Bushing
Locking Rod
Fig. 11
10
ASSEMBLY INSTRUCTIONS
Fig. 9
To avoid serious
personal injury,
Nut
Cutting
Blade
Shield
Mount
5. Make sure that the cutting blade is centered on the
pilot step and sitting flat against the output shaft
bushing (Fig. 12).
WARNING:
unit will vibrate and the blade may fly off,
causing possible serious personal injury.
Pilot Step
6. Align the shaft bushing hole with the locking rod
slot and insert the locking rod into the bushing hole
(Fig. 8).
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. 13).
1/4-1/2 turn
Counterclockwise
9. Remove the locking rod from the locking rod slot.
WARNING:
damage to the unit, do not start or operate this
unit with the locking rod in the locking rod slot.
WARNING:
Sharpening the blade can cause the blade tip
to break off while in use. This can result in
severe personal injury. Replace the blade.
If the cutting blade
is off-center, the
Fig. 12
Fig. 13
To avoid serious
personal injury or
Do not sharpen the
cutting blade.