Adjusting Service Brakes; Adjusting Pro Belt - Toro GROUNDSMASTER 455-D Operator's Manual

A. Loosen the clamps at both ends of the tie rods.
B. Rotate the tie rod to move the front of the tire
inward or outward.
C. Tighten the tie rod clamps when adjustment is
correct.
3. To adjust 4-wheel drive models (Fig. 59):
A. Remove the cotter pin and nut securing one of
the tie rod ball joints to the steering arm.
Remove the ball joint from the steering arm.
B. Loosen the clamp securing the ball joint to the
tie rod.
C. rotate the ball joint one revolution and re-
install it to the steering arm.
D. Inspect the toe-in and repeat adjustment if
required.
E. Tighten the clamp securing the ball joint to the
tie rod.
F. Torque the ball joint nut to 40 ft. lbs. and
install the cotter pin.
1. Tie rod clamps

Adjusting Service Brakes

Adjust the service brakes when there is more than
38mm of "free travel" of the brake pedal, or when the
brakes do not work effectively. Free travel is the
distance the brake pedal moves before braking
resistance is felt.
1. To reduce free travel of the brake pedals, tighten
the nut on the brake rod adjuster,1/2 turn at a time,
until you achieve the desired "free play" in the
➀
Figure 59
(Fig. 60)
pedal.
1
1. Brake rod adjuster

Adjusting Pro Belt

Re-tension the PTO belt (Fig. 61) initially after the first
10 hours of operation; thereafter, check condition and
tension of belt every 100 hours. Replace the belt after
every 1500 hours of operation.
1. Remove (2) screws securing the belt cover to the
adapter plate and the screw the securing belt cover
to the tab on the spring anchor. Remove the cover.
1. Belt cover
2. Adapter plate
2. Loosen the (3) flange screws and flange nuts
securing the adapter plate to the clutch plate.
3. Insert the end of a 1/2 drive, 51cm long, torque
wrench into square hole in clutch plate. With the
wrench handle parallel to the ground, pull the
wrench upward until 244Nm (180ft-lbs.) of torque
35
Figure 60
(Fig. 61-62)
1
2
Figure 61