Setting The Hydraulic Pump Neutral Position - Toro 74268CP Operator's Manual

Setting the Hydraulic Pump
Neutral Position
Note: Adjust the handle neutral first. That needs to be
correct before the following adjustment can be made.
This adjustment must be made with drive wheels turning.
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.
Engine must be running so motion control
adjustment 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.
1. Raise the frame and block up the machine so drive
wheels can rotate freely.
2. Disconnect the electrical connector from the seat
safety switch. Temporarily install a jumper wire
across terminals in the wiring harness connector.
3. Unlatch the seat and slide seat forward.
4. Disconnect the seat rod and tilt the seat fully forward.
Setting the Left-hand Hydraulic Pump
Neutral Position
1. Start the engine, open the throttle 1/2 way and
release parking brake. Refer to Starting and Stopping
the Engine in Operation , page 14.
Note: The motion control lever must be in neutral
while making any adjustments.
2. Adjust the pump rod length by rotating the knob, in
the appropriate direction, until the wheel is still or
slightly creeping in reverse (Figure 74).
1. Tracking knob
2. Hydraulic tank
3. Hydraulic pumps
3. Move the motion control lever forward and reverse,
then back to neutral. The wheel must stop turning
or slightly creep in reverse.
4. Open the throttle to fast. Make sure wheel remains
stopped or slightly creeps in reverse, adjust if
necessary.
Setting the Right-hand Hydraulic Pump
Neutral Position
1. Loosen the locknuts at the ball joints on the pump
control rod (Figure 75).
2. Start the engine, open throttle 1/2 way and release
parking brake. Refer to Starting and Stopping the
Engine in Operation , page 14.
Note: The motion control lever must be in neutral
while making any adjustments.
Note: The front nut on the pump rod has left-hand
threads.
3. Adjust the pump rod length by rotating double nuts
on rod, in the appropriate direction, until wheel is
still or slightly creeps in reverse (Figure 75).
4. Move the motion control lever forward and reverse,
then back to neutral. The wheel must stop turning
or slightly creep in reverse.
5. Open the throttle to fast. Make sure the wheel
remains stopped or slightly creeps in reverse, adjust
if necessary.
6. Tighten the locknuts at the ball joints (Figure 75).
51
Figure 74
4. Turn this way to track right
5. Turn this way to track left