Adjusting The Throttle - Toro 30631 Operator's Manual

Cooling Fan Belt
1. Unlatch and open the hood.
2. Remove the capscrews (5) securing the fan belt
guard and remove the guard (Fig. 34).
Figure 34
1. Fan belt guard
3. The belt should deflect
between the pulleys with 5 lb. force (22 N•m)
(Fig. 35). If deflection is incorrect, go to step 4.
If correct, go to step 5.
Figure 35
1. 1 ⁄ in. (6 mm) deflection here
4
2. Adjustable Idler pulley locknut
4. Loosen the locknut securing the adjustable idler
pulley (Fig. 33). Push the idler pulley against the
1
1 ⁄ in. (6 mm) midway
4
belt until proper deflection is achieved, then
tighten the idler pulley locknut (Fig. 33).
5. Install the fan belt guard and secure it with
capscrews (Fig. 34). Close and latch the hood.
To replace the belt:
1. Follow the procedures in step 1 and 2 above.
2. Loosen the locknut securing the adjustable idler
pulley, slide the pulley away from the belt, and
remove the belt from the pulleys (Fig. 35).
3. Install the new belt and adjust its tension. Push
the idler pulley against the belt until the belt
deflects 1 ⁄ inch (6 mm) with 5 lb. of force (22
4
N•m) midway between the top pulley and
stationary idle pulley. Tighten the idler pulley
locknut to secure adjustments (Fig. 35).
4. Install the fan belt guard and secure it with
capscrews (Fig. 34). Close and latch the hood.
Note: Check the fan belt tension after the first day's
operation. Readjust tension, if necessary. Follow
regular maintenance check procedure thereafter.

Adjusting the Throttle

1. Adjust the throttle cable (Fig. 36) so the governor
lever on the engine contacts the low- and high-
speed set bolts before the throttle lever contacts
the slot in the control panel.
1
1. Throttle cable
29
Figure 36