Adjusting The Speed-Control Linkage; Aligning The Pto-Drive Pulley - Toro Z Master 8000 Series Operator's Manual

Adjusting the
Speed-Control Linkage
WARNING
The engine must be running and the drive
wheels must be turning to adjust the motion
controls. Contact with moving parts or hot
surfaces may cause personal injury.
Keep your fingers, hands, and clothing clear
of rotating components and hot surfaces.
CAUTION
Raising the mower deck for service or
maintenance relying solely on mechanical
or hydraulic jacks could be dangerous. The
mechanical or hydraulic jacks may not be
enough support or may malfunction allowing
the unit to fall, which could cause injury.
Do not rely solely on mechanical or hydraulic
jacks for support. Use adequate jack stands
or equivalent support.
1. Park the machine on a level surface, move the
speed-control lever to the N
disengage the blade-control switch (PTO), and
engage the parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Remove the electrical connection from the seat
safety switch, located directly in front of the
seat-switch assembly.
4. Raise the frame and place on jack stands so
that drive wheels can rotate freely.
Note:
You must make the neutral adjustment
with the drive wheels turning.
5. Temporarily install a jumper wire across the
terminals in the seat safety switch connector of
the wire harness.
6. Start the engine.
7. Run the machine at least 5 minutes with the
speed-control lever at full forward speed to
bring the hydraulic system fluid up to operating
temperature.
8. Return the speed-control lever to the N
position.
9. To obtain the N
EUTRAL
and right pump-control-rod linkages that connect
the steering control to the pump-control arms
position,
EUTRAL
EUTRAL
position, adjust the left
until the wheels stop or creep slightly in reverse
(Figure 66).
10. Adjust the left pump linkage by rotating the
tracking-adjustment knob.
11. Adjust the right pump linkage by using a wrench
to turn the double nuts on the assembly
66).
1. Rotate the tracking knob
on left side.
12. Move the steering levers to the reverse position.
While applying slight pressure to the levers,
allow the steering levers to return to N
Note:
The wheels must stop turning or slightly
creep in reverse.
13. Shut off the engine and wait for all moving parts
to stop.
14. Remove the jumper wire from the wire-harness
connector and plug the connector into the seat
switch.
15. Lower the machine from the jack stands.
Aligning the PTO-Drive
Pulley
Align the PTO-drive pulley for any of the following
conditions:
•
The blower has been removed or replaced.
•
The engine mounting bolts have been loosened or
the engine has been moved or replaced.
•
The jackshaft mounting bolts have been loosened
or the jackshaft has been moved or replaced.
1. Park the machine on a level surface, move the
speed-control lever to the N
52
Figure 66
2. Rotate the double nuts on
right side.
EUTRAL
position,
EUTRAL
(Figure
g006843
.