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Husqvarna HA 850, Operator'S Manual

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101 89 35-26

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Rider 850/970

Operator´s manual

Please read these instructions carefully and make sure
you understand them before using the machine.

101 89 35-26 Eng

97-10-14, 14.28

1

Summary of Contents for HA 850

Page 1: ... E R 9 7 0 R I D E R 9 7 0 R I D E R 8 5 0 R I D E R 8 5 0 R I D E R 8 5 0 RIDER 850 RIDER 850 RIDER 850 Rider 850 970 Operator s manual Please read these instructions carefully and make sure you understand them before using the machine ...

Page 2: ......

Page 3: ...ing the fuel pump s air filter 21 Checking and adjustment of steering wires 22 Checking the brake 23 Adjusting the brake 23 Checking the battery acid level 23 Checking the safety system 23 Replacement of air filter 24 Checking and adjustment of cutting unit s ground pressure Rider 970 25 Checking the parallelism of the cutting unit 25 Adjusting the parallelism of the cutting unit 26 Dismantling th...

Page 4: ... you cannot back up the slope or if you feel uneasy on it do not mow it DO Mow up and down slopes not across Remove obstacles such as rocks tree limbs etc Watch for holes ruts or bumps Uneven terrain could overturn the machine Tall grass can hide obstacles Use slow speed Choose a low gear so that you will not have to stop or shift while on the slope Follow the manufacturer s recommendations for wh...

Page 5: ... assembly USA To remove tractor from carton Remove cardboard outer container from pallet check for any additional loose parts lift seat from unit remove parts bag and steering wheel check contents of bag and with inventory list remove tire and wheel assemblies from pallet remove covers from retaining blocks on axles install steering wheel loosen set screw place column over shaft and seat against w...

Page 6: ... tip over Never drive across a slope Never use the machine if persons especially children or animals are in the vicinity Never carry passengers on the machine or equipment Keep hands and feet away from under the hood when the engine is running Drive very slowly without the cutting unit European standard for machine safety Switch off the engine and take off the ignition cable before repairs or main...

Page 7: ... behind before and during reversing Keep an eye on the ejected grass and do not direct it towards anyone Slow down before turning Never leave the machine unattended when the engine is running Always switch off the blades pull on the parking brake stop the engine and take out the keys before leaving the machine Switch off the blades when you are not cutting Only cut in daylight or good artificial l...

Page 8: ...upwards and downwards not sideways Look out for and avoid driving over furrows holes or mounds On uneven surfaces it is easier for the machine to tip over High grass can conceal obstacles Drive slowly Select a low gear to avoid having to stop and changing gear It is also easier to use the gear to brake in a low gear Follow the manufacturer s recommendations on wheelweights or counterweights to inc...

Page 9: ...e if children come into the work area Before and during reversing look behind and down for small children Never allow children to ride on the machine They can fall off and become seriously injured or obstruct a risky manoeuvre of the machine Never allow children to drive the machine Be extra careful close to corners bushes trees or other objects which obstruct your view Maintenance Petrol gasoline...

Page 10: ...or unmounted safety devices Do not alter the setting of the governor and do not race the engine Reduce the fire risk Keep the machine clean from grass leaves and other refuse which fastens in it Allow the machine to cool before placing it in the storage area Stop and inspect the equipment if you drive over an object If necessary repair the machine before starting Never make adjustments with the en...

Page 11: ...ear ejection or side ejection with a cutting width of 965 mm and a Bioclip unit with a cutting width of 1030 mm Rider 850 has a cutting unit which throws out the grass at the rear and a cutting width of 850 mm R I D E R 8 5 0 R I D E R 8 5 0 R I D E R 8 5 0 RIDER 850 RIDER 850 RIDER 850 R I D E R 9 7 0 R I D E R 9 7 0 R I D E R 9 7 0 4 7 6 8 9 10 11 3 5 2 1 Location of the controls 1 Ignition lock...

Page 12: ...e choke is used the engine receives a richer mixture of fuel and air which simplifies cold start Clutch pedal The clutch pedal disengages the engine and stops forward movement The blades are not affected by the clutch pedal Brake pedal The brake pedal activates a disc brake which is placed on the gearbox and brakes the drive wheels When braking the clutch pedal should also be pushed down to achiev...

Page 13: ...rbox has five forward gears neutral and reverse When engaging reverse gear the lock button on the gear shift must be pressed Cutting unit Rider 850 has a cutting unit with rear ejection i e the grass cuttings are thrown out behind the cutting unit Rider 970 can be delivered with a cutting unit which has rear or side ejection It is also available with a Bioclip unit which cuts up the grass finely b...

Page 14: ... is pressed and the lever is moved forward the unit will lower down and the blades begin rotating cutting position The lever can also be used to temporarily regulate the cutting height e g for a small mound in the lawn Lifting of the cutting unit transport position Lowering of the cutting unit cutting position Lever for adjustment of cutting height With this lever the cutting height can be adjuste...

Page 15: ... adjust it forwards or backwards to the required position Lock the adjustment with the wheels Fuelling The engine should be run on at least 92 octane leaded or unleaded petrol gasoline not oil mixed For USA and Canada at least 87 octane leaded or unleaded petrol gasoline not oil mixed WARNING Petrol gasoline is highly inflammable Observe care and refuel outdoors see safety instructions ...

Page 16: ...equired position Starting the engine 1 Lift up the cutting unit by pulling the lever back wards to locked position transport position DRIVING N 1 2 3 Put the gear shift in neutral N 2 Apply the parking brake This is done as follows Press down the brake pedal 1 Press in the lock button on the steering column 2 Release the brake pedal while the button is held pressed The parking brake lock disconnec...

Page 17: ... position Push the throttle control to the required speed For cutting 3 4 to full throttle Warm engine 5 Set the throttle control midway between position 1 and 2 6 Turn the ignition key to start position IMPORTANT INFORMATION Do not run the starter for more than about 5 seconds at a time If the engine does not start wait about 10 seconds before trying again WARNING Never run the engine indoors in ...

Page 18: ...r transport Starting is possible irrespective of which gear is engaged Carefully release the clutch pedal and drive to the mowing area IMPORTANT INFORMATION Do not change gear from forward drive to reverse while the machine is moving The clutch must be used for each gear change Stop the machine before changing for forward drive to reverse otherwise the gearbox can be damaged Never use force to eng...

Page 19: ...red cutting results are obtained The cutting results are best with a high engine speed fast rotating blades and low driving speed slow moving machine If the grass is not too high and thick the driving speed can be increased or the engine speed reduced without noticeably affecting the mowing results The best lawns are achieved if the grass is cut often Mowing becomes more uniform and the grass cutt...

Page 20: ...ke Stopping the engine Preferably allow the engine to idle for a minute to obtain normal working temperature before stopping if it has been working hard 1 Lift up the cutting unit by pulling the lever back to the end position 2 Pull back the throttle control and move the gear shift to neutral N Turn the ignition key to the STOP position WARNING Never drive the machine on ground with a slope of mor...

Page 21: ...heck the steering wires 22 Check the brakes 23 Check the battery 23 Check the safety system 23 Check screws and nuts Check for fuel and oil leakage Clean the air filter s pre filter foam plastic 2 24 Check the cutting unit 25 Check the tyre pressures 60 kPa 28 Change the engine oil1 29 Adjust the brakes 23 Check the V belts Lubricate joints and shafts 3 29 Check and adjust the throttle wire 30 Cle...

Page 22: ...hood is lifted up Tilt the seat forward release the rubber strap under the seat and tilt the hood backwards Front hood Release the screws in the front hood 3 and lift off the hood Right hand fender Release the screws in the fender 2 and lift off the fender Left hand fender Release the screws in the fender 2 and lift off the fender MAINTENANCE ...

Page 23: ...D mark top up with oil to the FULL mark The oil is filled in the same hole as the dip stick is in Use engine oil SAE 30 or SAE 10W 30 The total oil volume in the engine is 1 2 litres MAINTENANCE ADD FULL ADD FULL Check the engine s cooling air intake Dismantle the engine hood as described on page 20 Check that the cooling intake is free from leaves grass and dirt If the cooling intake is blocked t...

Page 24: ... side MAINTENANCE 3 When necessary the wires can be tensioned by tightening the adjusting nuts one on each side of the steering rim Do not tension the wires too tightly they should only be tightened up to the steering rim Check the wire tension on completion of the adjustment as per item 2 2 Check the tension of the steering wires by pushing them together as shown in the diagram It should be possi...

Page 25: ... that the level of the battery acid lies between the markings Top up the cells with distilled water only Adjusting the brake 1 Release the lock nuts 1 2 Tension the wire with the adjusting screw 2 so that the distance between the brake lever and the front edge of the recess on the chassis is 1 mm 3 Tighten the lock nuts 1 after adjustment WARNING Poorly adjusted brakes can result in reduced brakin...

Page 26: ...ter housing s plastic cover by releasing the wing nut 3 Remove the wing nut on the air filter and lift off the paper filter with pre filter MAINTENANCE 4 Pull off the foam plastic pre filter from the paper filter and wash clean in mild detergent Squeeze it dry in a clean cloth Drench it with new engine oil Wrap the filter in an absorbent cloth and squeeze out excess oil Replace the paper filter if...

Page 27: ...cutting unit s frame front edge so that it rests on the scales If necessary a block can be placed be tween the frame and scales so that the support wheels do not bear any weight 2 Adjust the unit s ground pressure by screwing in or out the adjusting screws located behind the front wheels on both sides The ground pressure should be between 12 and 15 kg Checking the cutting unit s parallelism Check ...

Page 28: ...ther after the adjustment 5 On completion of the adjustment the unit s parallelism should be re checked Fit the right hand fender and the front hood 2 Adjustment of Rider 970 1 Dismantle the front hood and right hand fender as described on page 20 2 Release the strut by pulling out the rear pin 1 Lift the rear edge of the hood to relieve the parallel strut 3 Release the lock nut 2 4 Screw out the ...

Page 29: ...k pins one on each side on the rear edge of the unit Fitting of the cutting unit takes place in the reverse order to dismantling Dismantle the cutting unit on Rider 970 Bioclip as follows 1 Dismantle the front hood as described on page 20 2 Set the cutting height to the highest position Push the stop 1 in against the crossbar and then set the cutting height to the lowest position The cutting unit ...

Page 30: ...n go against each other and damage the unit IMPORTANT INFORMATION Replacing or sharpening the blades should be conducted by an authorised service workshop Cutting unit on Rider 850 rear ejection Cutting unit on Rider 979 Bioclip unit Checking the tyre pressure The tyre pressure should be 60 kPa 0 6 kp cm2 all round To improve driving the pressure on the rear tyres can be reduced to 40 kPa 0 4 kp c...

Page 31: ...arts in the reverse order 1 Place a receptacle under the engine s drain plug located on the left hand side of the engine 2 Remove the dip stick and drain plug 3 Let the oil run out into the receptacle 4 Fit the drain plug and tighten 5 Fill up with oil to the FULL mark on the dip stick The oil is filled in the same hole as the dip stick is in Use engine oil with min API SF quality and SAE 30 or SA...

Page 32: ...uter casing to the far right and tighten the clamping screw Replacement of the fuel filter Replace the fuel filter every 100 running hours once per season or more frequently if it is clogged Replace the filter as follows 1 Dismantle the engine hood as described on page 20 2 Move the hose clips away from the filter Use a pair of flat pliers 3 Pull off the filter from the hose ends 4 Press in the ne...

Page 33: ...t in fuel pipe Engine seems to have no power Air filter clogged Plug defective Dirt in carburettor or fuel pipe Carburettor incorrectly set Engine overheats Engine overloaded Air intake or cooling flanges blocked Fan damaged Too little or no oil in engine Ignition defective Plug defective Battery does not charge One or more cells faulty Bad contact between battery terminals and cables Machine vibr...

Page 34: ...idle for more than 30 days Fuel which is left to stand for long periods 30 days or more can leave tacky deposits which can block the carburettor and interfere with the engine Fuel stabiliser is an acceptable alternative to avoid tacky deposits during storage If alkylate petrol Aspen is used stabiliser is not necessary since this fuel is stable However one should avoid changing from standard to alk...

Page 35: ...0 API SF Oil volume 1 2 litres 1 2 litres Start Electric starter Electric starter Electrical system Type 12 V negative ground 12 V negative grounded Battery 12 V 20 Ah 12 V 20 Ah Spark plug Champion CJ8 or J8 850 12 5 Champion CJ8 or J8 electrode gap 0 7 0 8 mm electrode gap 0 7 0 8 mm Gearbox Manufacture Europe Peerless type MST 205 531A Peerless type MST 205 531A USA Peerless type MST 205 530A P...

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