10 HARDI
®
New NAVIGATOR OPERATOR’S MANUAL
Sprayer Setup
Wheel Spacing Adjustment
(Suspended and Non-suspended Axle)
Wheel spacing can be infi nitely adjusted from 60” to
120” with suspended or non-suspended axle sys tems.
1 Measure the correct wheel spacing (Center of right
hand tire to center of left hand tire). Each side must
be extended or retracted half the desired alteration.
2 Attach sprayer to the tractor and engage tractor
parking brake.
3 Place stop wedges in front of and behind the right
hand wheel (
Fig 5
). Using suitable heavy duty
equipment, jack up the left hand wheel. Ensure
secure support for the spray er body.
4 To release axle wedge for the left hand wheel axle
and extend or retract the axle:
Turn Nut (C
Fig 6
) counterclockwise to allow
approx. 1” clearance. With an open-ended wrench,
turn Nut (D
Fig 6
) against anchor plate until hold on
axle is released. Shift axle to measured position.
5 To tighten axle wedge and secure axle at required
width:
Turn Nut (D
Fig 6
) counterclockwise to allow
move ment of stop wedge. Turn Nut (C
Fig 6
)
clockwise against anchor plate to draw stop wedge
up against the axle and hold it in position. Tighten
to torque of 100 Ft/lb (135 Nm), then lock by re-
tightening Nut (D
Fig 6
).
6 If the wheels were reversed and exchanged,
re mem ber to tighten the wheel nuts to the specifi ed
torque - rim plate to hub 120 Ft./lb (180 Nm).
7 Repeat the procedure on the right hand wheel.
8 Check the distance from the center of the tire to
the center of the tank, to make sure the distance is
equal from left to right.
9 Re-tighten the clamp bolts and wheel nuts to the
specifi ed torque after 8 hours of work.
IMPORTANT! Always place a jack under axle and
lift the wheel to remove the load from the clamps
before tightening the clamp bolts.
WARNING! Use extreme caution with narrower
wheel spacing (close to 60”). Always slow
down before en ter ing a curve, especially when
turning on uneven ground or on a hillside.
Note: The wider the wheel spacing, the better the
stability of the sprayer and boom.
Axle Clearance Adjustment
(Suspended and Non-suspended Axle)
The two axle inserts are equipped with offset spindles
allowing for a "low" or "high" clearance setting. To
change axle clearance:
1 Follow steps 1-4 in "Wheel spacing adjustment"
section to release left
axle insert.
2 Slide axle insert
completely out and
rotate 90°.
60” to 120”
Fig. 6
Fig. 5
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