Toro Z453 Z Master 74416TE - Drive System Maintenance Procedures; Adjusting the Tracking; Checking Tire Pressure; Checking Wheel Hub Slotted Nut

Drive System
Maintenance
Adjusting the Tracking
Note: Deter mine the left and right sides of the
mac hine from the nor mal operating position.
T he mac hine has a knob for adjusting the trac king
located under the seat.
Important: Adjust the handle neutral and
h y draulic pump neutral bef or e adjusting
the tracking . R efer to Adjusting the Handle
Neutral in Contr ols System Maintenance ,
pa ge 41 and Adjusting the Hy draulic Pump
Neutral in Hy draulic System Maintenance ,
pa ge 43 .
1. Push both control lev ers forw ard the same
distance .
2. Chec k if the mac hine pulls to one side . If it
does , stop the mac hine and set the parking
brak e .
3. Unlatc h the seat and tilt the seat forw ard to
access the trac king knob .
4. T o mak e the mac hine g o right, tur n the knob
to w ards the right-side of the mac hine . R efer
to Figure 45 .
5. T o mak e the mac hine g o left, tur n the knob
to w ards the left-side of the mac hine . R efer to
Figure 45 .
6. R e peat adjustment until the trac king is cor rect.
Figure 45
1. Pump rod 3. Tracking knob
2. Turn this way to track left 4. Turn this way to track right
Checking the Tire Pressure
Chec k the pressure at the v alv e stem after ev er y
50 operating hours or monthly , whic hev er occurs
first ( Figure 46 ).
Maintain the air pressure in the rear tires at 13 psi
(90 kP a). Unev en tire pressure can cause unev en
cut. Chec k the tires when they are cold to g et the
most accurate pressure reading .
Note: T he front tires are semi-pneumatic tires
and do not require air pressure maintenance .
Figure 46
Checking the Wheel Hub
Slotted Nut
Chec k after ev er y 500 operating hours .
T he slotted n ut needs to be tor qued to 125 ft-lb
(170 N•m).
1. Diseng ag e the PTO , mo v e the motion control
lev ers to the neutral loc k ed position and set
the parking brak e .
2. Stop the engine , remo v e the k ey , and w ait for
all mo ving par ts to stop before lea ving the
operating position.
3. R emo v e the cotter pin.
4. T or que the slotted n ut to 125 ft-lb (170 N•m)
( Figure 47 ).
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