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 right hand pump has a knob for adjusting the
trac king .
Important: Adjust the handle neutral and
h y draulic pump neutral bef or e adjusting
the tracking . R efer to Adjusting the Handle
Neutral and Adjusting the Hy draulic Pump
Neutral.
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 tip the seat up to access
the trac king knob .
4. Adjust the trac king as follo ws ( Figure 47 ):
• T o mak e the mac hine g o right, tur n the
knob to w ards the right side of the mac hine .
• T o mak e the mac hine g o left, tur n the knob
to w ards the left side of the mac hine .
Figure 47
1. Pump rod 3. Tracking knob
2. Turn this way to track left 4. Turn this way to track right
5. R e peat this adjustment until the trac king is
cor rect.
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 48 ).
Maintain the air pressure in the front and 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 .
Figure 48
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 49 ).
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