Adjusting Cutting Unit Lift And Drop; Adjusting The Lift Cylinders - Toro 04356 Operator's Manual
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- Operator's manual (48 pages) ,
- Operator's manual (48 pages) ,
- Operator's manual (44 pages)
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1. Loosen the nut on the back side of the lift pivot
(Figure 45).
1. Lift pivot
2. Rotate the eccentric screw (Figure 45) to raise or
lower the lift pivot spring, leveling the lift pivot and
pedals.
3. While holding the screw, tighten the nut locking the
adjustment.
Adjusting Cutting Unit Lift and
Drop
The cutting unit lift/drop circuit is equipped with a
flow control valve. This valve is preset at the factory at
approximately 3-1/2 turns open, but an adjustment may
be required to compensate for differences in hydraulic
oil temperatures, mowing speeds, etc. If an adjustment
is required, proceed as follows:
Note: Allow the hydraulic oil to reach full operating
temperature before adjusting the flow control valve.
1. Raise the seat and locate the flow control valve
mounted to the main control valve (Figure 46).
1. Flow control valve
2. Loosen the jam nut retaining the adjusting knob on
the flow control. When loosening the jam nut, hold
the flow control knob to prevent it from rotating.
Figure 45
2. Eccentric screw
Figure 46
3. Rotate the knob 1/4 turn counterclockwise if the
center cutting unit is dropping too late or 1/4 turn
clockwise if the center cutting unit is dropping too
early.
4. After the desired setting has been achieved, hold the
knob to prevent any rotation and tighten the jam nut.
Adjusting the Lift Cylinders
To regulate the height of the front cutting units when in
the raised (transport) position, the front lift cylinders
may be adjusted.
1. Lower the cutting units to the ground.
2. Loosen the jam nut, on the clevis, of the cutting unit
lift cylinder that needs to be adjusted.
3. Disconnect the cylinder clevis from the lift arm.
4. Rotate the clevis until the desired height is attained.
5. Connect the cylinder clevis to the lift arm and tighten
the jam nut.
36
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