Mower Deck Maintenance; Removing The Mower Decks; Installing The Mower Decks; Servicing The Front Roller - Toro 30874 Operator's Manual

Mower Deck
Maintenance

Removing the Mower Decks

1. Park the machine on a level surface, engage the parking
brake, lower the mower decks, shut off the engine, and
remove the key.
2. Disconnect and remove the hydraulic motor from
the deck (Figure 71). Cover the top of the spindle to
prevent contamination.
Figure 71
1. Motor-mounting screws
3. Remove the lynch pin (for Groundsmaster 4500
machines) or retaining nut (for Groundsmaster 4700
machines) securing the deck-carrier frame to the
lift-arm pivot pin (Figure
Figure 72
1. Lynch pin
4. Roll the cutting deck away from the machine.
g011351
72).
g011352
2. Lift-arm pivot pin

Installing the Mower Decks

1. Move the mower deck into position in front of the
machine.
2. Slide the deck carrier frame onto the lift-arm-pivot pin
(Figure 72). Secure the deck to the pin with the lynch
pin (for Groundsmaster 4500 machines) or retaining
nut (for Groundsmaster 4700 machines).
3. Install the hydraulic motor to the deck
Make sure that the O-ring is in position and not
damaged.
4. Grease the spindle.

Servicing the Front Roller

Inspect the front roller for wear, excess wobble, or binding.
Service or replace the roller or components if any of these
conditions exist.
Disassembling the Front Roller
1. Remove the roller-mounting bolt
2. Insert a punch through the end of the roller housing
and drive the opposite bearing out by alternating taps
to the opposite side of inner bearing race. There should
be a 1.5 mm (0.060 inch) lip of inner race exposed.
3
4
1
1. Front roller
2. Mounting bolt
3. Push the second bearing out in press.
4. Inspect the roller housing, bearings, and bearing spacer
for damage (Figure
and assemble.
Assembling the Front Roller
1. Press the first bearing into the roller housing
73). Press on the outer race only or equally on the
inner and outer race.
2. Insert the spacer
58
(Figure
(Figure 73).
2
G011356
Figure 73
3. Bearing
4. Bearing spacer
73). Replace damaged components
(Figure 73).
71).
g011356
(Figure