Adjust Hydro Control Linkages - Toro 30340 Operator's Manual

6. If the wheel turns while holding the drive lever in
neutral, the neutral control linkages need to be
adjusted (Fig. 41). If wheel stops then go to step 12.
7. Loosen the nut against the neutral control linkage yoke
(Fig. 41).
8. Adjust the neutral control linkage until the respective
drive wheel stops while the drive lever is pulled
against the neutral spring (neutral position) (Fig. 41).
9. Turn the adjusting bolt approximately 1/4 turn
clockwise if the wheel is turning in reverse or turn the
bolt approximately 1/4 turn counter–clockwise if the
wheel is turning forward (Fig. 41).
10. Release the drive lever to the forward drive position
and squeeze back into the neutral position. Check to
see if the wheel stops. If not, repeat the above
adjustment procedure.
11. After adjustments are made, tighten the nuts against
the yokes.
12. Repeat this procedure for the opposite side.
1
Figure 41
1. Neutral control linkage
2. Yoke

Adjust Hydro Control Linkages

Warning
Engine must be running so control linkage
adjustments can be performed. Contact with
moving parts or hot surfaces may cause personal
injury.
Keep hands, feet, face, clothing and other body
parts away from rotating parts, muffler and other
hot surfaces.
3
4
2
m–5394
3. Adjusting bolt
4. Nut
36
Warning
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
Use jack stand when supporting machine.
Do not use hydraulic jacks.
Left Side Linkage Adjustment
1. Raise the rear of the machine onto jack stands high
enough to raise the drive wheels off of the ground.
2. Place the speed control lever in the neutral position.
3. Place the left drive lever in the full forward position.
4. Hold OPC levers down.
Note: The OPC levers must be held down whenever the
speed control lever is out of the neutral position or the
engine will kill.
Warning
Electrical system will not perform proper safety
shut off with Operator Presence Control (OPC)
levers held in place.
Make sure Operator Presence Control (OPC)
levers are working when adjustment is
completed.
Never operate this unit with Operator Presence
Control (OPC) levers held in place.
5. Loosen the front nut on left hydro control linkage as
shown in figure 42.
6. Turn the left rear adjusting nut counter–clockwise until
wheel rotates forward (Fig. 42).
7. Turn the rear adjusting nut clockwise 1/4 of a turn at a
time. Then move the speed control lever forward and
back to neutral. Repeat this until left wheel stops
rotating forward (Fig. 42).
8. Turn the rear nut an additional 1/2 turn and tighten the
front nut.
Note: Make sure flat part of linkage is perpendicular to
pin part of swivel.
9. After adjusting the left hydro control linkage, move
the speed control lever forward and then back to the
neutral position.
10. Make sure the speed control lever is in the neutral
position and the tire does not rotate.
11. Repeat adjustment if needed.