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SECTION 4 - SERVICE
4.4 TRACTION CONTROL NEUTRAL
ADJUSTMENT
The Traction Control Neutral Adjustment
procedure is sensitive. The following steps and
WARNINGS must be followed very carefully.
WARNING
Several steps of the Neutral Adjustment procedure
require that the engine be started. Exercise extreme
CAUTION while making adjustments while engine is
running to avoid HOT engine components, rotating
components, run over or entrapment types of
injuries.
IMPORTANT: To complete this procedure a steel
rod 5/16” diameter and 20” long will be required.
DO NOT begin this procedure without it.
1. Place machine on smooth level surface. Stop
engine and remove keys.
2. Raise rear of machine just high enough for rear
wheels to clear ground. Block machine securely.
3. Latch Traction Controls in Neutral.
4. Insert rod (5/16” diameter x 20” long) through
alignment holes in the left and right traction control
shift lever arms and the tank support bracket. The
rod should pass through both the left and right
traction control shift lever arms. See Figure 3.9.
5. Disconnect left & right swivels from the left and
right traction control arms and loosen swivel jam
nuts. See Figure 3.8.
6. Adjust swivel (Clockwise or Counter-Clockwise)
until the pin on the swivel aligns perfectly with the
hole in the traction control arm. The traction control
lever must be held in the Neutral Latch position
when making this adjustment. Complete this
adjustment for both left and right swivels. Carefully
reattach and secure swivels to control arms.
Tighten swivel jam nuts. IMPORTANT: Both the
left and the right swivels must be installed in the
same traction control arm speed range setting. Mid
range (middle hole) setting is recommended.
7. Remove steel rod from shift lever arms.
8. Check to insure machine is securely blocked.
Start engine. Drive wheels should not rotate with
traction control levers latched in the Neutral
position. If no rotation is observed the adjustment
procedure is complete. If wheels do rotate proceed
to next step. STOP ENGINE.
9. Wheel rotation will be stopped by adjusting the
eccentric on the pump arms on the right and left
pumps. Turning the eccentric slightly clockwise or
counter-clockwise will synchronize the pump and
traction controls for Neutral. See Figure 3.11. To
turn the eccentric, first loosen the bolt in the pump
control arm and the nut and bolt fastening the
eccentric to the pump control arm. With traction
controls latched in Neutral, start engine. Turn
eccentric slightly clockwise or counter-clockwise
until wheels stop rotating. Tighten control arm bolts
and eccentric nut and bolts. Check for wheel
rotation. Repeat eccentric adjustment if needed.