English – 1Operator’s Manual forRider 11 and Rider 13 HRider 11 Bio and Rider 13 H BioDismantling of the machine hoods ................. 18Checking the engine’s oil level ....................... 20Checking the engine’s cooling air intake ........ 20Checking the fuel pump’s air filter .................. 20Checking and adjusting the steering wires .... 21Checking and adjusting the brakes ................ 22Checking the transmission’s oil level ............. 23Checking the battery acid level ...................... 23Checking the safety system ........................... 23Replacement of air filter ................................. 24Checking and adjusting the cutting unitground pressure ............................................. 25Checking the parallelism of the cutting unit ... 25Adjusting the parallelism of the cutting unit .... 26Service position for BioClip 90 ....................... 27Checking the blades ...................................... 30Checking the tyre pressure ............................ 30Changing the oil ............................................. 31Lubrication ..................................................... 31Checking and adjustment of throttle wire ....... 33Replacement of fuel filter ............................... 33Trouble shooting schedule .............................. 34Storage ............................................................... 34Winter storage ................................................ 34Service ........................................................... 34Technical data ................................................... 36CONTENTSIMPORTANT INFORMATIONRead through these instructions carefully so that you know how to use and maintain themachine before using it.For servicing other than described in this manual contact an authorised dealer for parts andservice.Explanation of symbols ...................................... 2Safety instructions .............................................. 3General use ..................................................... 3Driving on slopes ............................................. 4Children ............................................................ 5Maintenance .................................................... 5Presentation ........................................................ 7Location of the controls .................................... 7Throttle/Choke lever ......................................... 8Drive disengagement lever .............................. 8Parking brake ................................................... 8Throttle pedal ................................................... 9Cutting unit ..................................................... 10Lift lever for cutting unit .................................. 10Lever for adjustment of cutting height ............ 10Seat ................................................................ 11Fuelling .......................................................... 11Driving ................................................................ 12Before starting ................................................ 12Starting the engine ......................................... 12Driving the machine ....................................... 14Cutting tips ..................................................... 15Stopping the engine ....................................... 16Drive disengagement lever ............................ 16Maintenance ...................................................... 17Maintenance schedule ................................... 17Travel and transport on public roadsCheck the relevant road traffic regulations before driving the machine on a public road. If transporting themachine on another vehicle always use approved securing devices and make sure that the machine issecurely held.TowingIf your machine has a hydrostatic transmission you should only tow it very short distances at low speed ifabsolutely necessary, otherwise the transmission may be damaged.Intended useThis machine is designed solely for cutting grass on conventional lawns and other cleared and leveledground without obstacles, as rocks, stumps etc., and, in conjunction with accessories supplied by the manu-facturer even for other special tasks for which instructions are delivered with the accessory. Use in any otherway is considered as contrary to the intended use. Compliance with and strict adherence to the conditions ofoperation, service and repair as specified by the manufacturer also constitute essential elements of theintended use.This machine should be operated, serviced and repaired only by persons who are familiar with its particularcharacteristics and who are acquainted with the relevant safety procedures.Accident prevention regulations, all other generally recognised regulations on safety and occupationalmedicine, and all road traffic regulations must be observed at all times.Any arbitrary modifications carried out to this machine may relieve the manufacturer of liability for any result-ing damage or injury