Exmark LAZER ZTM - Manual (Page 36)

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FIG. 10
MOTION CONTROL ADJUSTMENT
f) 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.
g) The reverse indicator spring must be correct before the following
adjustments can be made. See Section 5.2.10.
h) Begin on either the left or right side of unit and bring the motion control
lever into the neutral position.
Adjust pump control rod length by rotating the double nuts on the rod in
the appropriate direction until the wheels slightly creep in reverse. (See
Fig 10). 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.
NOTE: The motion control lever needs to be in neutral while making
any necessary adjustments.
The left rod assembly controls the left wheel and the right rod assembly
controls the right wheel.
i) Repeat on opposite side of unit. Tighten locknuts against balljoints.
j) Shut off unit. Remove jumper wire from wire harness connector and plug
connector into seat switch.
5.2.12 Caster pivot bearings pre-load adjustment.
a) Remove dust cap from caster and
tighten nyloc nut until washers are
flat and back off 1/4 of a turn to
properly set the pre-load on the
bearings. If disassembled make
sure the spring washers are
reinstalled as shown in Figure 11.
FIG. 11
CASTER ADJUSTMENT
TURN BOLT
HERE
LOOSEN HERE
(LEFTHAND THREAD)
END OF
SLOT
REVERSE
INDICATOR
TURN HERE
TO ADJUST
LOOSEN
HERE
LOOSEN HERE
(RIGHTHAND THREAD)
YOKE