27
1.
Lift/support the traction unit so that both tracks are off
of the ground.
2.
Open the rear access cover; refer to Opening the Rear
Access Cover, page 24.
3.
Loosen the jam nuts on the traction rods, under the
control panel (Fig. 26).
m–4770
2
1
1
2
Figure 26
1. Traction rod
2. Jam nut
4.
Start the traction unit and set the throttle to about 1/3
open position.
When the traction unit is running, you could be
caught and injured in moving parts or burned on
hot surfaces.
Stay away from pinch points, moving parts, and
hot surfaces when adjusting the running traction
unit.
Warning
5.
If the
left
track moves, lengthen or shorten the
right
traction rod until the track stops moving.
6.
If the
right
track moves, lengthen or shorten the
left
traction rod until the track stops moving.
7.
Tighten the jam nuts.
8.
Close the rear access cover.
9.
Stop the engine and lower the traction unit to the
ground.
10.
Drive the traction unit in full reverse, checking to see
if the unit tracks straight. If it does not, note the
direction the traction unit veers. Repeat the adjustment
previously described so that it tracks straight in
reverse.
Adjusting the Tracking of the Traction
Control, Full Forward Position
If the traction unit does not drive straight when you hold
the traction control against the reference bar, complete the
following procedure:
1.
Drive the traction unit with the traction control against
the reference bar, noting which direction the traction
unit veers.
2.
Release the traction control.
3.
If the traction unit veers to the
left
, loosen the
right
jam nut and adjust the tracking set screw on the front
of the traction control (Fig. 27).
4.
If the traction unit veers to the
right
, loosen the
left
jam nut and adjust the tracking set screw on the front
of the traction control (Fig. 27).
m–7881
1
2
3
Figure 27
1. Set screw
2. Jam nut
3. Stop
5.
Repeat steps 1 through 4 until the traction unit drives
straight in the full forward position.
Important
Ensure the tracking set screws touch the
stops in the full forward position to avoid over stroking
the hydraulic pumps.
Adjusting the Auxiliary Hydraulics Lever,
Reverse Flow Stop
In the reverse flow slot of the auxiliary hydraulics lever
assembly is a bolt that keeps the lever from going too far
into the slot into a detent position (i.e., a position that
allows it to stay in the slot without being held by the
operator). If the lever goes into a detent position, or if the
reverse flow hydraulics speed is slow, adjust the bolt using
the following procedure:
1.
Stop the engine and remove the key.
Содержание Dingo TX 420
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