Hardi NAVIGATOR 3000 Supplement To Instruction Book page 8

4 - Sprayer setup
Jack up the sprayer
When the sprayer needs wheel mounting, wheel changing, or wheel
bearing changing etc. then jack up the sprayer under the axle where
shown.
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DANGER! Be sure to place sprayer on level and firm ground to
avoid sprayer falling down from the jack.
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ATTENTION! It is good safety practice to use stop wedges at the
opposite wheel!
4.2