12 HARDI® NAVIGATOR 550M, 800M, 1000M CENTRIFUGAL OPERATOR'S MANUAL3.0 HOOKING UP THE SPRAYER3.1 Clevis HitchWARNING: THE TRAILER TONGUE MUST BE ADEQUATELYSUPPORTED AND WHEELS BLOCKED BEFOREADJUSTING CLEVIS HITCH POSITION.Adjusting the height of the clevis is obtained by removing the four boltsand repositioning the clevis in one of the eight different settings (Fig. 2).This will allow for 13" of adjustment to suit tractor drawbar height and tomaintain the sprayer tank level.3.2 Wheel Spacing And Ground ClearanceWARNING: SECURELY SUPPORT THE SPRAYER DURING AXLEADJUSTMENTS. NEVER ATTEMPT TO ADJUST AXLESWITH LIQUID IN TANK. ALWAYS BLOCK WHEELS ONOPPOSITE SIDE WHEN ADJUSTING AXLES.The wheel spacing of the trailer can be set according to the table below:Wheel Spacing & Clearance TableModel Wheel Spacing Axle ClearanceSTA 550M 60" - 88" 26"HC 550M (24" tire) 60" - 88" 18"HC 550M (38" tire) 60" - 88" 24"TA 800M/1000M* 60" - 88" and 120" 20 / 27.5"HC 800M/1000M (38“tire) 72" - 88" and 120” 26"HC 800m/1000M (42“tire) 72" - 88" and 120” 27.5"To adjust the width, remove the four bolts per side (A) (Fig. 3) and the axleassemblies can then be pushed in or pulled out in 2" increments until therequired wheel tread is obtained. Then reinstall and refasten all bolts.WARNING: IT IS NOT PERMITTED TO FIT DUAL WHEELS TO ANY OFTHE AXLES ON THE NAVIGATOR M. SPRAYER MODELS.*No longer availableFig. 2Adjusting The Clevis Hitch