40
Electrical system will not perform proper safety
shut off with jumper wire installed.
•
Remove jumper wire from wire harness
connector and plug connector into seat switch
when adjustment is completed.
•
Never operate this unit with jumper installed
and seat switch bypassed.
Warning
7. After both pump neutrals are set, shut off the machine.
8. Remove jumper wire from wire harness connector and
plug connector into seat switch.
9. Reinstall prop rod and lower the seat into position.
Adjusting the Tracking
The left–hand pump has a knob for adjusting the tracking.
Important
Adjust the handle neutral and hydraulic
pump neutral before adjusting the tracking. Refer to
Adjusting the Handle Neutral on page 37 and Adjusting
the Hydraulic Pump Neutral on page 39.
1. Push both control levers forward the same distance.
2. Check if the machine pulls to one side. If it does, stop
the machine and set the parking brake.
3. Tip the seat up to access the tracking knob.
Note: Determine the left and right sides of the machine
from the normal operating position.
4. To make the machine go right, turn the knob towards
the rightside of the machine. Refer to figure 53.
5. To make the machine go left, turn the knob towards
the leftside of the machine. Refer to figure 53.
6. Repeat adjustment until the tracking is correct.
3
1
2
4
m–6280
Figure 53
1.
Pump rod
2.
Turn this way to track left
3.
Tracking knob
4.
Turn this way to track right
Adjusting the Parking Brake
Check parking brake for proper adjustment.
1. Disengage brake lever (lever down).
2. Measure the length of the spring. Measurement should
be 2-3/4 inch (70 mm) between washers (Fig. 54).
3. If adjustment is necessary, loosen the jam nut below
the spring and tighten the nut directly below the yoke
(Fig. 54). Turn the nut until the correct measurement is
obtained. Tighten the two nuts together and repeat on
opposite side of unit.
4. Turn nuts clockwise to shorten spring length and turn
counterclockwise to lengthen the spring.
5. Engage parking brake, lever up.
6. Measure the distance between the trunnion roller and
the collar on brake rod. Measurement should be
3/16 –1/4 inch (5–7 mm) (Fig. 54).
7. If adjustment is necessary, loosen the jam nut directly
below the yoke. Turn the bottom adjusting nuts until
the correct measurement is obtained (Fig. 54). Tighten
jam nut at yoke
