Adjusting the Motion
Control Linkage
1.
Refer to
Preparing for Maintenance (page 31)
.
2.
Push the control levers all the way forward to the
front reference bar; If either of the control levers
contact the reference bar do the following:
A.
Allow the control levers to return to neutral
and loosen the 2 jam nuts on the hex
adjustment linkage (
Note:
One jam nut is a right-hand thread
and the other is left-hand.
g231567
Figure 46
1.
Hex adjustment linkage jam nut
B.
Turn the hex adjustment linkage until there
is 1/8 to 1/4 inch (3 to 6 mm) gap between
the control lever and the front reference bar.
C.
Tighten the jam nuts (
).
3.
Allow the control levers to return to neutral.
Turn the left hex adjustment link until the motion
control levers are approximately even with each
other.
4.
Repeat steps
and
for the other motion
control linkage.
Adjusting the Motion
Control Tracking
If the machine travels or pulls to one side when the
motion control levers are in the full forward position,
adjust the tracking.
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.
Loosen the lock nuts on the right motion control
linkage (as viewed from the rear of the machine.
Push the right control lever forward and rotate
the adjustment rod until there is 1/8 to 1/4 inch
(3 to 6 mm) gap between the right control lever
and the front reference bar.
4.
Place the front reference/speed control bar in the
maximum forward position; refer to
Front Reference/Speed Control Bar (page 26)
.
5.
Rotate the adjustment rod on the left side of the
machine (
).
g233418
Figure 47
1.
Adjustment rod
6.
Looking down towards the adjustment rod —
rotate it counterclockwise, in 1/4 turn increments,
to increase speed or clockwise to decrease
speed.
7.
Drive the machine and check the full forward
tracking.
8.
Repeat steps
through
until desired tracking
is obtained.
40
