Yearly

	Check air pressure in all tyres.
	Drain any water from gear boxes and refill with proper oil.
	Grease the pivot swivel.
	Check to ensure all drive shafts and shields are in place.
	Check sand trap to make sure sand is not building up.
	Flush the system if it is necessary.

Pre-Season

	Check all sprinklers/nozzles at the start up time to ensure that they are spaying properly, ensure rotation.
	Ensure equipment is properly grounded.
	Check the structure and the drive units
	Check the oil level in the gearboxes
	Check depth of wheel tracks
	Check the functions of the controller

 

End of Season

Drain the pivot and all the water connections to the pivot.

Periodical

	After the first year of operation, drain and replace the oil from all wheel drive gear boxes and centre drive wheel boxes.
	Change oil in the gearboxes at least every third year under conditions.
	For machines operating more then 1000 hours a year, consider changing oil every year.
	Routinely check bolts for tightness and review the condition of gearbox seals.