Removing/Installing Cutting Unit; Replacing Blade Drive Belt - Toro 70089 Operator's Manual

Removing/Installing Cutting
Unit
1. Shut off engine and pull wire off spark plug.
Remove ignition key
2. Lock parking brake and turn front wheels to a
full turn position to allow more clearance for
cutting unit.
3. Set height-of-cut control to lowest setting.
4. Loosen belt guides near engine pulley and rotate
them out of the way. Remove deck belt from
engine pulley (Fig. 26).
1
Figure 26
1. Belt guides
2. Engine pulley
5. Remove cotter pin from adjustment rod and pull
from pivot tube arm (Fig. 27).
3
1
2
(Deck belt already
removed in this picture)
3. Deck belt
Figure 27
1. Cotter key
2. Adjustment rod
6. Remove cotter pins from clevis pins on front
hanger brackets. Hold front of cutting unit in
place with one hand, to prevent falling, and
remove clevis pins to lower cutting unit to
ground. Pull rear hanger brackets off pins on rear
suspension arms. Set height-of-cut control to
highest position and slide cutting unit from
under rider.
7. Install in reverse order.

Replacing Blade Drive Belt

1. Lock parking brake and remove wire from spark
plug. Remove ignition key.
2. Remove cutting unit: refer to
Removing/Installing Cutting Unit, page 39.
3. Loosen and remove (1) mounting screw securing
each belt guide to cutting unit. Pivot belt guides
away from spindle pulley and remove belt.
Visually inspect belt for wear or damage
(Fig. 26).
4. Install new belt if needed and reinstall belt
guides.
5. Install cutting unit: refer to Removing/Installing
Cutting Unit, page 39.
Maintenance
1
2
3
4
3. Cotter pin and clevis pin
4. Front hanger bracket
39