Toro Groundsmaster 4300-D Service Manual page 370

Removing the Blade Spindle
Installing the Blade Spindle
Cutting Deck: Service and Repairs
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, set the parking brake, and remove the key from the key switch.
g195111
1. Hydraulic deck motor
2. Remove the 2 socket-head screws and 2 flat washers that secure the
hydraulic deck motor to the cutting deck
hydraulic deck motor and O-ring from the deck.
3. Cover the top of the spindle to prevent unwanted material from entering into
the spindle. A spindle plug (refer to
to cover the spindle.
4. Start the engine and raise the cutting deck. Shut off the engine and remove
the key from the key switch. Support the cutting deck so it cannot fall
accidentally. If necessary, remove the cutting deck from the machine.
5. Remove the blade bolt, anti-scalp cup, and cutting blade from the spindle.
6. Remove the 6 flange nuts that secure the spindle assembly to the cutting
deck. Slide the spindle assembly out the bottom of the deck. Remove the
spindle plate from the top of the deck.
7. If necessary, press the studs from the spindle housing.
1. If the studs were removed from the spindle housing, press the studs fully into
the housing holes. Ensure that the stud head is seated squarely against
housing.
2. Position the spindle assembly and spindle plate to the cutting deck. Align
the grease fittings on the spindle with the notches on the cutting deck and
spindle plate toward the front of the deck.
3. Secure the spindle to the cutting deck with the 6 flange nuts. Tighten the
flange nuts in a star pattern.
4. Install the cutting blade, anti-scalp cup, and blade bolt. Torque the blade bolt
to 120 to 146 N∙m (88 to 108 ft-lb).
5. Remove the cover from the top of the spindle that was placed to prevent
unwanted material from entering into the spindle.
6. Ensure that the O-ring is positioned on the top of the spindle housing.
Secure the hydraulic deck motor to the cutting deck with the 2 socket-head
screws and 2 flat washers.
Figure 229
2. Socket-head screw (2 each)
(Figure
Spindle Plug (page
Page 7–8
229), and remove the
7–5)) can be used
Groundsmaster ®
16226SL Rev C
4300-D