Separating The Cutting Unit From The Traction Unit; Servicing The Bushings In The Castor Arms - Toro Groundsmaster 3320-D Operator's Manual

1. Dipstick/fill plug
Separating the Cutting Unit
from the Traction Unit
1. Position the machine on level surface, lower the
cutting unit to the floor, move the lift lever to the
F position, shut off the engine, and engage
LOAT
the parking brake.
2. Remove the bolt and washer mounted to the top
of each height of cut rod
1. Height-of-cut rod
2. Bolt and washer
3. Remove the hairpin and clevis pin securing the
height of cut collar to the height of cut rod on
the rear of the cutting unit
the height of cut collar.
4. Remove the hairpin cotters and clevis pins
securing the lift arms to the castor arm brackets
(Figure 24).
Figure 22
(Figure 23).
Figure 23
3. Height-of-cut collar
4. Hairpin cotter and clevis
pin
(Figure 23). Remove
1. Lift arm
2. Clevis pin
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5. Roll the cutting unit away from the traction unit,
separating the male and female sections of the
PTO shaft
1. PTO shaft
DANGER
If the engine is started and the PTO shaft
is allowed to rotate, serious injury could
result.
Do not start the engine and engage the
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PTO lever when the PTO shaft is not
connected to the gearbox on the cutting
unit.
Servicing the Bushings in
the Castor Arms
The castor arms have bushings pressed into the top
and bottom of the tube, and after many hours of
operation, the bushings wear.
To check the bushings, move the castor fork back
and forth and from side to side. If the castor spindle
19
Figure 24
3. Hairpin cotter
4. Castor arm bracket
(Figure 25).
Figure 25
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