Toro Groundsmaster 3500-D Service Manual page 29

Replace Traction Belt
1. Park machine on a level surface, lower cutting units,
stop engine, engage parking brake, and remove key
from the ignition switch. Unlatch and raise hood.
2. Insert nut driver or small piece of pipe onto the end
of the torsion spring of the idler pulley.
CAUTION
Be careful when removing or applying tension
from or to the torsion spring of the idler pulley.
The spring is under heavy load and may cause
personal injury.
3. Push down and forward on the spring end to unhook
the spring from the pump mounting plate.
4. Remove V--belt from the engine flywheel and hy-
drostat pulleys.
5. Install replacement V--belt onto the engine flywheel
and hydrostat pulleys.
6. Insert nut driver or small piece of pipe onto the end
of the torsion spring of the idler pulley.
7. Push down and back on the spring end to get the
spring under the pump mounting plate notch. Then re-
lease the spring slowly to lock it into place.
Groundsmaster 3500--D
1
6
1. Torsion spring
2. Idler pulley
3. Pump mounting plate
Page 3 - - 9
3
4
5
2
Figure 12
4. V- -belt
5. Flywheel pulley
6. Hydrostat pulley
Kubota Diesel Engine