Separating Cutting Units From The Traction Unit - Toro 30582 Groundsmaster 580-D Operator's Manual

6.75"
5
.12"
Figure 70
1. Idler pulley
2. Idler arm
3. Tension spring
15. Replace deck covers.
Outboard Cutting Units
Note: To remove lower belt, the other two belts must first
be removed.
1. Position machine on level surface, lower cutting unit to
shop floor, engage parking brake, shut engine off and
remove key from ignition switch.
2. Remove deck covers. Loosen flange locknuts on idler
pulleys and slide pulleys away from belts.
3. Remove flange head screws securing gearbox plate to
deck. To separate plate and drive motor assembly from
deck, rotate plate end toward traction unit (Fig. 67). Tip
plate, motor and pulley assembly on its side and remove
from deck. Be careful not to bend, twist, kink or
damage flexible hydraulic lines.
4. Remove belt(s). Position new belt(s) in pulleys and
assemble gear box and plate assembly to deck.
4
3
1
2
4. Spring tension rod
5. Stop screw
54
5. Adjust belt tension; refer to Inspecting and Adjusting
the Cutting Unit Belt Tension, page 52.
Separating the Cutting Units
from the Traction Unit
Front Cutting Unit
1. Position machine on level surface, lower cutting unit to
shop floor, engage parking brake, shut engine off and
remove key from ignition switch.
2. Remove deck covers.
3. Loosen jam nut and relieve tension on springs with
tensioner bolt (Fig. 66).
4. Loosen (4) capscrews securing slide plate to motor
mount (Fig. 68).
5. Remove (4) capscrews securing motor mount to deck
(Fig. 68).
Note: Do not loosen adjusting screws.
6. Remove motor mount from deck. Be careful not to
bend, twist, kink or damage flexible hydraulic lines.
7. Remove hex head screws and flange locknuts securing
each lift arm to the castor arm and separate from the
arm.
8. Roll the cutting unit away from the traction unit.
9. To re–install cutting unit, assemble in reverse order.
Outboard Cutting Units
1. Position machine on level surface, lower cutting unit to
shop floor, engage parking brake, shut engine off and
remove key from ignition switch.
2. Remove deck covers and relieve belt tension on all belts
(Fig. 67).
3. Remove flange head screws securing gearbox plate to
deck. To separate plate and drive motor assembly from
deck, rotate plate end toward traction unit (Fig. 71). Tip
plate, motor and pulley assembly on its side and remove
from deck. Be careful not to bend, twist, kink or
damage flexible hydraulic lines.
4. Remove locknut securing deck pivot shaft into deck
clevis and lift bar (Fig. 71).
5. Move the cutting unit away from the machine.