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Temporarily install a jumper wire across the terminals in the connector of
the main wiring harness.
c)
Run the unit at least 5 minutes with the drive levers at full forward speed to
bring hydraulic system oil up to operating temperature.
d)
Tilt seat forward.
e)
Loosen locknuts from the ball joints on the two rods, which connect the
motion control assemblies to the pump control arms (See Figure 14).
NOTE: The nuts to the front the unit on each rod have left-hand threads.
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 5.2.12.
h)
Begin on either the left or right side of unit and bring the motion control
lever in to 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 Figure 14) 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 ball joints.
j)
Shut off unit. Remove jumper wire from
wire harness connector and plug
connector into seat switch.
5.2.14
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 necessary make
sure the spring washers are reinstalled
as shown in Figure 15.
FIGURE 14
MOTION CONTROL ADJUSTMENT
- 40 -
FIGURE 15
CASTER ADJUSTMENT
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