Hardi New NAVIGATOR 1100 Operator's Manual

Contents

Hardi New NAVIGATOR 1100 Operator's Manual Manual pdf 37 page image

35HARDI® New NAVIGATOR OPERATOR’S MANUALMaintenanceHoses and tubesCheck all hoses and tubes for possible damage andproper attachment. Replace damaged hoses or tubes.1000 Hours / Yearly ServiceWheel bearingsCheck the condition of the bearings the following way:1 Place stop wedges in front of and behind the lefthand wheel and jack up the right hand wheel.2 Support the trailer with axle stands.3 Remove the wheel.4 Remove the hub cap (AFig 36), cotter pin(BFig 36) and castle nut (CFig 36).5 Pull off wheel hub. Use a wheel puller if necessary.6 Check roller bearings for discoloration and wear- replace if worn or damaged.7 Assemble the hub and bearings using a new sealingring (DFig 36).8 Fill the hub and bearings with fresh grease beforefi tting to the shaft.9 Fit castle nut. Rotate hub and tighten the castle nutuntil a slight rotation resistance is felt.10 Loosen the castle nut again until the first notch isaligned with the cotter pin hole in the shaft.NOTE! The shaft has a vertical and a horizontalcotter pin hole. Use the one first aligned with thenotch when loosening the castle nut.11 Fit a new cotter pin and bend it.12 Fill the hub cap with fresh grease and carefullypress it onto the hub.13 Fit the wheel again and tighten the wheel nuts.(Refer50 Hours / Weekly Service (Page 34) fortorque wrench setting. Tighten all bolts to halfthe specified torque first, then to the full specifiedtorque.14 Tighten again after 10 hours of work. Check thetorque every day until it is stabilized.15 If you do not feel totally confident changing wheelbearings, contact your HARDI® dealer’s workshop.Occasional maintenanceMaintenance and replacement intervals for the nextpoints depend very much on conditions under whichsprayer operates, and are therefore impossible tospecify.Pump valves and diaphragms replacement(363/463 pumps)NOTE! It is recommended that if one or morediaphragms and/or valves need replacing they allshould be replacedDiaphragm pump overhaul kit (valves, seals,diaphragms, etc.)Pump model HARDI® part No.363 750342463 750343Changing valves1 Remove the valve covers (AFig 37). Beforechanging the valves (B & B1Fig 37) note theirorientation so they are replaced correctly.2 The two white flap valves (B1Fig 37) must beplaced in the valve openings as shown. It isrecom mended to use new O-rings (CFig 37) whenchanging or checking the valves.Changing diaphragms1 With the valve covers removed as explained above,remove the diaphragm bolts (DFig 37).2 The diaphragms (EFig 37) may now be changed.3 If fluids have reached the crankcase, re-grease thepump thoroughly. Also check the drain hole at thebottom of the pump is not blocked.EABB1CDA = Valve CoverB = ValvesB1 = White Flap ValvesC = O-ringsD = Di a phragm BoltE = DiaphragmABCDFig 36Fig 37