Adjust Seat Switch - Exmark LAZER Z CT Operator's Manual

3. Temporarily install a jumper wire across the
terminals in the connector of the main wiring
harness.
4. Run the unit at least 5 minutes with the drive
levers at full forward speed to bring hydraulic
system oil up to operating temperature.
5. Unhook seat latch and tilt seat forward.
6. Loosen lock nuts from the ball joints at each end
of the RH pump control linkage (Figure 16).
Note: The nuts to the rear of the unit on each
rod have left-hand threads.
Figure 16
1. Turn bolt here
2. Reverse indicator
3. Loosen here
4. Yoke
7. Start engine. Brake must be engaged and
motion control levers out to start engine.
Operator does not have to be in the seat
because of the jumper wire being used. Run
engine at full throttle and release brake.
8. The reverse indicator spring must be correct
before the following adjustments can be made.
See the Reverse Indicator Adjustment section.
Note: The motion control lever needs to be in
neutral while making any necessary adjustments.
9. Bring the motion control lever into the neutral
position. Adjust RH pump control rod length
by rotating the double nuts on the rod in the
appropriate direction until the wheels slightly
creep in reverse (Figure 16). Move the motion
control lever to the reverse position and while
applying slight pressure to the lever, allow the
reverse indicator spring to bring the levers back to
neutral. The wheel must stop turning or slightly
creep in reverse.
5. End of slot
6. Loosen here (right-hand
thread)
7. Turn here to adjust
8. Loosen here (left-hand
thread)
The left rod assembly controls the left wheel and
the right rod assembly controls the right wheel.
10. Adjustment for the RH motion control lever:
Bring the RH motion control lever into the
neutral position.
Bring the LH motion control lever into the
neutral position. Adjust the LH pump control rod
length by rotating the tracking adjustment knob in
the appropriate direction until the wheels slightly
creep in reverse. Move the motion control lever
to the reverse position and while applying slight
pressure to the lever allow the reverse indicator
spring to bring the levers back to neutral. The
wheel must stop turning or slightly creep in
reverse (Figure 17).
Left-Hand Side of Unit
1. Turn LH tracking adjustment knob. (Do not loosen any
nuts on LH side)
11. Shut off unit. Remove jumper wire from wire
harness connector and plug connector into seat
switch.

Adjust Seat Switch

1. If necessary, adjust the seat actuator rod length
to where the machine will shut off when the
operator raises off the seat (with brake disengaged
or PTO engaged) but will continue to run with
operator in seat (a slight shift in weight should
not shut machine off).
Normal adjustment is when length of spring is
2.09 inches (5.3 cm) (with seat up).
Note: To prevent the engine from cutting out
when operating over rough ground, the unit is
equipped with a time-delayed seat switch. When
the operator raises off the seat with either the
35
Maintenance
Figure 17