Toro Groundsmaster 4500-D, Service Manual

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Groundsmaster 4500--D/4700--D Cutting Units (Rev. B) Page 8 -- 9
Removal
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch.
2. Remove two socket head screws that secure hy-
draulic motor to the cutting unit (Fig. 4). Remove hydrau-
lic motor and O--ring from deck.
3. Cover top of spindle to prevent contamination.
Spindle plug (Toro Part No. 94--2703) can be used to
cover spindle.
4. Start the engine and raise the cutting unit. Stop en-
gine and remove key from the ignition switch. Block up
the cutting unit so it cannot fall accidentally. If required
for easier service, remove cutting unit (see Cutting Unit
Operator’s Manual).
5. Remove blade bolt, anti--scalp cup and cutting blade
(see Cutting Unit Operator’s Manual).
6. Remove cap screws and flange nuts securing
spindle assembly to cutting deck. Slide spindle assem-
bly out the bottom of the deck. Remove spindle plate
from top of deck.
Installation
1. Install spindle assembly and spindle plate to cutting
deck with cap screws and flange nuts. Notches on cut-
ting deck and spindle plate should be aligned to front of
deck.
2. Install cutting blade, anti--scalp cup and bolt (see
Cutting Unit Operator’s Manual). Tighten blade bolt from
85 to 110 ft--lb (115 to 149 N--m).
3. Position O--ring to top of spindle housing. Install hy-
draulic motor to the cutting unit with two socket head
screws.
1. Socket head screw 2. Hydraulic motor
Figure 4
1
1
2
Cutting
Units