Cub Cadet BC2090 Operator's Manual page 7

Install the Cutting Blade
WARNING:
To avoid serious personal injury, 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
5. Make sure that the cutting blade is centered on the pilot step and sitting
flat against the output shaft bushing (Fig. 12).
WARNING:
If the cutting blade is off-center, the 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. 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 a 13 mm socket tighten to: 325 - 335
in•lb, 27 - 28 ft.•lb, 37 - 38 N•m.
• Without a torque wrench, use a 13 mm 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).
9. Remove the locking rod from the locking rod slot.
ASSEMBLY INSTRUCTIONS
Nut
Cutting
Blade
Shield
Mount
Fig. 11
Fig. 12
Fig. 13
WARNING:
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.
WARNING:
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
WARNING:
To avoid serious personal injury, always wear
gloves while handling or installing the blade.
Remove the Cutting Blade
1. Align the shaft bushing hole with the locking rod slot and insert the
locking rod into the bushing hole (Fig. 10).
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, loosen the nut on the blade by turning it
clockwise with a 13 mm closed-end or socket wrench (Fig. 14).
Clockwise
4. Remove the nut, blade retainer and blade. Store the nut and blade
together for future use in a secure place. Store out of children's reach.
Install the Cutting Attachment
5. Align the shaft bushing hole with the locking rod slot and insert the
locking rod into the shaft bushing hole (Fig. 10). Place the blade retainer
on the output shaft with the flat surface against the output shaft bushing
(Fig. 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.
Cutting Attachment
Blade Retainer
Output Shaft
Bushing
Locking Rod
6. Remove the locking rod.
7. Install the cutting attachment shield. Refer to Remove and Install the
Cutting Attachment Shield.
WARNING:
To avoid serious personal injury, the cutting
attachment shield MUST be in place at all times while
operating the unit as a trimmer.
Fig. 14
Fig. 15
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