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Figure 46
1. Pump rod
2. Turn this way to track left
5. Repeat this adjustment until the tracking is
correct.
Checking the Tire Pressure
Check the pressure at the valve stem after every
50 operating hours or monthly, whichever occurs
first (Figure 47).
Maintain the air pressure in the front and rear tires
at 13 psi (90 kPa). Uneven tire pressure can cause
uneven cut. Check the tires when they are cold to
get the most accurate pressure reading.
Figure 47
Checking the Wheel Hub
Slotted Nut
Check after every 500 operating hours.
The slotted nut needs to be torqued to 125 ft-lb
(170 N⋅m).
3. Tracking knob
4. Turn this way to track right
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
3. Remove the cotter pin.
4. Torque the slotted nut to 125 ft-lb (170 N⋅m)
(Figure 48).
Figure 48
1. Slotted Nut
2. Two threads or less
showing
5. Check the distance from bottom of slot in nut
to inside edge of hole. Two threads or less
should be showing (Figure 48).
6. If more than two threads are showing remove
nut and install washer between hub and nut.
7. Torque the slotted nut to 125 ft-lb. (170 N⋅m)
(Figure 48).
8. Tighten the nut until the next set of slots line
up with the hole in the shaft (Figure 48).
9. Replace the cotter pin.
Adjusting the Caster Pivot
Bearing
Check after every 500 operating hours or at
storage, which ever comes first.
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
2. Stop the engine, remove the key, and wait for
all moving parts to stop before leaving the
operating position.
3. Remove the dust cap from caster and tighten
lock nut (Figure 49).
40
3. Hole in threaded shaft
4. Washer (if needed)
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