6 - Maintenance1. 850 Hour ServicingThe following items (if fitted) require servicing at 50 hour intervals;• Transmission Shaft (P.T.O)• Wheel Bolts & Nuts• Tyre Pressures• Boom• Nozzle filtersTransmission Shaft- 50 hour intervalsCheck function and condition of the transmission shaft protection guard. Replace possible damaged parts.Wheel Bolts & Nuts- 50 hour intervalsTighten wheel bolts and nuts as follows with following torquewrench settings:Wheel hub to rim plate: 330Nm (243 ft/lb)Tightening sequence: See illustration and tighten in order ofnumbering.Tyre Pressures- 50 hour intervalsCheck the tyre pressures every 50 hours. Only inflate torecommended pressure of tyre manufacturer.€ DANGER: Never inflate tyres to more than the pressurespecified. Over-inflated tyres can explode and cause severepersonal injuries!Boom Adjustments - 50 hour intervalsPrior to making boom adjustments, make sure the following tasks have been carried out;• Lubricate all parts of the sprayer• Connect the sprayer to a tractor• Place tractor and sprayer on level ground (horizontal surface)• Unfold boomNozzle Filters- 50 hour intervalsClean and inspect nozzles