Hardi NAVIGATOR 4000, Instruction Book

Page: 48 / 116

4 - Sprayer setup
46
Track width, axles and wheels
Altering the Track Gauge (optional)
The track gauge of the sprayer can be altered stepless as follows,
Altering procedure
1.
Measure the current track width (centre right tyre to centre left
tyre). Each side must be extended or retracted half the desired
alteration.
2.
Attach the sprayer to tractor and engage tractor parking brake.
3.
Place stop wedges in front of and behind right wheel. Jack up left
wheel, support and secure sprayer body.
4.
Loosen the counternut at the bolts (A) and the bolts (A) for left
wheel axle.
5.
Extend or retract the axle. A sack barrow and a rod will facilitate the
operation.
6.
Lower down the left wheel.
7.
Tighten the clamp bolts (A) to a torque of 250 Nm and lock the
bolts with the counternuts.
8.
Repeat the procedure on right wheel.
9.
Check if the distance from centre tyre to centre of rear frame is equal at right and left side.
10.
Retighten bolts and wheel bolts to specified torque after 8 hours of work.
μ
ATTENTION! The wider the track width, the better the stability of the sprayer. HARDI recommends to work with widest
possible track width.
μ
ATTENTION! Depending on configuration of the machine the track width can be altered in the range from 1500 mm
to 2000 mm (narrow version), or from 1800 mm to 2250 mm (wide version), in combination of above adjustments
and turning of the rims (offset).