Briggs & Stratton RIDER 11 BIO - Manual

4 – English Technical data Tightening moments Carrier steering 5–10 Nm 3,5-7 lbft Pulley steering wire 20–30 Nm 14-21 lbft Belt wheel 35–40 Nm 25-28 lbft Blades 45–50 Nm 32-36 lbft Blade bearings 20–25 Nm 14-18 lbft Belt tensioner wheel 15–25 Nm 10-18 lbft Holder screws, engine 20–25 Nm 14-18 lbft H...

6 – English Control points Mowing deck parallelism with cutting height in pos. 1: ± 2 mm ± 0,079" Cutting height control in pos. 1: Rider 11 = 37 ± 2 mm 1,46" ± 0,079" Bio = 45 ± 2 mm 1,77" ± 0,079" Other = 40 ± 2 mm 1,57" ± 0,079" Synchronous transmission belt tension Bi...

English – 7 Delivery and dealer service Pre-delivery service 1. Top up battery with acid and recharge for four hours. 2. Fit the steering wheel, tow plate, and where appropriate other parts. 3. Adjust cutting unit: Adjust lift springs (effective weight of cutting unit should be12–15 kg (26,5-33 lb),...

8 – English Delivery and dealer service Dealer service 25 hours service 1. Change the engine oil on the side-valve engine (With high load and temperature on theoverhead-valve engine). 2. Clean/replace the airfilter’s pre-filter or oil-foam element, if fitted. (More frequent intervals industy operati...

English – 9 1) First change after 5 hours. Replace after every 25 hours with heavy loads and high temperatures. 2) Cleaning and replacing should be carried out more frequently in dusty conditions. 3) The machine should be lubricated twice a week if used daily. 4) Carried out by authorised service wo...

10 – English Delivery measures To our dealer Well-performed delivery service is the first step to afunctioning aftermarket. A functioning aftermarket isin everybody’s interest: • The customer is satisfied with their Rider. He/she knows where to go to get help if problems occur. • You have a regular ...

English – 11 WARNING!Measures for contact with acid External: Rinse thoroughly with water. Internal: Drink large quantities of water ormilk. Contact a doctor as soon aspossible. Eyes: Rinse thoroughly with water.Contact a doctor as soon asap. The battery gives off explosive gas. Sparks,naked flames ...

12 – English ADD FULL ADD FULL Steering wheel • Fit the steering wheel with the steering column tube on the steering shaft. • Screw in the socket head cap screw so that it goes in the slot on the steering shaft. Work onthe steering wheel and tighten the socket headcap screw so that it bottoms in the...

English – 13 R I D E R 8 5 0 R I D E R 8 5 0 Check that there is oil in the transmission’s oil tank.Fill if necessary with engine oil SAE 10W/30 (classSF–CC). Wheels Fit the wheels (certain markets). The tyre pressuresshould be 60 kPa (0,6 kp/cm 2 /8,5 PSI) on all the wheels.To improve the driving c...

14 – English 2 1 WARNING!Petrol is highly inflammable.Observe caution and fill up withpetrol outdoors. Test running Fill up with petrol. The engine should be run on thelowest 85 octane unleaded petrol (no oil admixture).It can be beneficial to use environmentally adaptedalkylate petrol. Do not use p...

English – 15 Check the function of the mowing deck and thatthere is no abnormal noise. The mowing height can be regulated in 9 differentpositions with the lever. Deck with rear ejector, 40-90 mm,mowing height(1 9/16" - 3 9/16") BioClip- and Combi- deck, 45-95 mm,mowing height(1 3/4" - 3 ...

16 – English R I D E R 8 5 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 R I D E R 8 5 0 R I D E R 8 5 0 Design and function General Husqvarna Riders is a series of ride-on mowerswith a large capacity. It is available in several sizes,from the smallest Rider 11 to the largest RiderProFlex 21. Th...

English – 17 Design and function Serial number The serial number can be found on the printedplate attached to the front, left-hand side under theseat. Stated on the plate, from the top are: • The machines type designation. • The manufacturer’s type number. • The machine’s serial number. State the ty...

18 – English Design and function Engine These Husqvarna Riders have single-cylinder, air-cooled engines from Briggs & Stratton. More intricate engine repairs are not described inthis workshop handbook, these can instead beread in Briggs & Stratton's own handbooks whichcontain detailed inform...

English – 19 Design and function Steering All the ride-on mowers in the Rider series havearticulated steering. The steering force from thesteering wheel is transferred to the rear section viawires and a chain. This ensures that the ride-onmower is easy to manoeuvre, as well as havinghigh-precision s...

20 – English Mowing deck The entire Rider series is equipped with front-mounted mowing decks to ensure effective cuttingeven in confined areas. Rider 11 and Rider 13 have a mowing deck withrear ejection and a cutting width of 850 mm (34"). Rider 11 Bio and Rider 13 Bio have a Bio deck witha cutt...

English – 23 1 2 4 3 Reparation instructions Removing engine The figures under ”Dismantling” show Rider 11, 13and Rider 16 in older designs (R16 up to the 2002model), for a more recent Rider 16 design (2003-)see ”Assembling the engine”. The text applies to allversions. Remove the battery's fixing be...

English – 25 1 2 3 4 IMPORTANT INFORMATION When installing the engine, it is importantthat the pulley groove (1) is in a positionso the outgoing axle key (2) fits into thegroove (see diagram). Also check thatboth spacing collars (3) and the key (2)are firmly attached on the engine axle.Grease the en...

English – 27 9 10 1. Place an appropriate container to catch the petrol. The tank holds approx. 7 litres / 7.4USqt. 2. Empty the petrol tank by removing the hose from the connector under the tank. If you do not wish to empty the tank, you canpinch the hose with lockable welding pliers andthen remove...

28 – English R I D E R 8 5 0 R I D E R 8 5 0 2 3 Reparation instructions Remove the frame plate by releasing the screws(two on either side). Checking and adjusting steering wires Drain plug on Rider 16 Tip! When draining the engine oil use a folded piece of cardboard to funnel the oil into the conta...

English – 29 Replacing steering wires 1. Release the steering wires' rear attachment (1). 2. Remove the frame plate. 3. Release the steering wires' front attachment (2) at the steering transmission chain (6) and pullthe steering wires out throught the frame. Note. If the old wires are still complete...

30 – English Reparation instructions Removal/installation of wire wheel 1. Remove the frame plate. 2. Detach the steering wires' rear attachment (1) . 3. Remove the screw (2) and detach the wire wheel (5). 4. Remove the bearing's circlip (3) and knock out the bearing (4). 5. To install the wire whee...

English – 31 Reparation instructions Checking and adjusting brake wire Rider 11 Check that the brake is correctly adjusted bymeasuring the distance between the brake leverand the front edge of the recess on the chassis.The distance should be 0–1 mm/0-0,040" when thebrake is not applied. 1. Remov...

English – 33 2 5 1 4 3 Reparation instructions Checking and adjusting throttle control Rider 13 and Rider 16 1. Detach the locking nut (1) on the ball joint. 2. Push the lock spring (2) forwards far enough for the spherical socket (3) to be lifted off fromthe pivot on the lever (4). 3. Press the thr...

English – 35 2 Rider 11 1 3 2 Rider 13 and 16 Reparation instructions Removal of swing axle • Block-up the machine in front of the rear frame. • Remove the transmission/gear box cover. • Detach the tensioning wheel spring (1) and the clutch wire (2). • Disconnect the tensioning wheel arm (3) from th...

36 – English 1 2 • Attach a washer and circlip onto the swing axle (1). • Firmly secure the wires' holder plates (2), as well as the gear and brake wires (3 and 4). • Connect the belt onto the pulley and tightly screw the tensioning wheel arm (5) onto the rear frame. • Attach the clutch wire (6) and...

English – 37 2 1 1 2 Removing/installation of hydrostatictransmission Rider 13 H/13 H Bio andRider 16 H Removal/installation of gear box Rider 11 • Block-up the machine in front of the rear frame and dismantle the rear wheels. • Remove the cover from over the gear box. • Lower the garage jack and pu...

40 – English 3 2 1 3 Reparation instructions • Place the sealing collar on the axle, with the metal spring inwards, and press it in carefully. • Use the narrow end of a 1/4" extender to carefully knock in the sealing collar until itreaches the bottom of the axle housing. Onlyknock on the steel c...

42 – English 2 1 5 4 3 Reparation instructions Screw the front ball joint onto the new transmissionwire and tighten the lock nut. Run the wire through the mower so that it followsthe same route as the old wire. Refitting hydrostatic transmission wire Press the wire casing in the front holder in them...

English – 45 5 4 Reparation instructions 1 = Axle2 = Lock nut 1 = Axle2 = Lock nut If the drive shafts do not rotate backwards despitethe hexagonal axle having rotated a full turn, theneutral position is to be adjusted in the followingway: • Slowly turn the axle anti-clockwise until the drive shafts...

46 – English 8 9 Reparation instructions Changing oil – Rider 13 and Rider 16 Empty the hydrostatic transmission with the twoplugs, width across flats 14 mm. The other screwshave smaller widths. Fill up with oil in the oil tank. Bleed the transmission as directed in “Bleeding ofthe hydrostatic trans...

English – 47 1 1 2 2 Reparation instructions Checking and adjusting mower deckground pressure Check the tyre pressures (60 kPa/8,5 PSI). Place a set of bathroom scales under the mowerdeck's frame (front edge) so that the deck rests onthe scales. Adjust the mowing deck's ground pressure with theadjus...

English – 49 1 2 11 3 1 2 Reparation instructions Adjusting cutting height area Raise or lower the entire mowing deck by screwingthe nuts up or down.If the highest cutting height is raised by 5 mm(3/16") the other fixed cutting heights will also beraised by the same amount. Remove the right-hand...

50 – English 2 3 3 4 Reparation instructions Removing the cutting unit BioClip and Combi unit 1. Apply the parking brake. • Adjust the cutting height to its lowest setting. • Remove the front cover. WARNING!Wear protective glasses whenremoving the cutting unit. Thespring which tensions up the beltca...

English – 51 7 6 5 2 1 Reparation instructions Lift off the drive belt (1). Now pull out the pin (2).Make sure not to trap your hand. Pull the frame forwards and replace the pin. Grip the front edge of the deck, and pull out and liftit up to the service position. If the cylindrical bolt, which is no...

52 – English 2 3 6 5 4 Reparation instructions Dismantling the cutting unit Rear and side ejectors 1 • Place the machine on a level surface. • Apply the brakes by pressing down the pedal and lock using the pushbutton. WARNING!Wear eye protection and workgloves when working on themowing deck. Remove ...

English – 53 Reparation instructions Replacing the cutting unit’s belts Belt replacement on BioClip 103 and Combi 103 There are two versions of BioClip 103. Version 1has one toothed belt and version 2 has two. Combi 103 is only available with a tooth belt. The toothedbelts drive the blades and synch...

54 – English (d) (p) IMPORTANT INFORMATION On a BioClip 90 and all 103 units theblades should have a relative position 90°between blades. In all other cases theblades can collide and cause seriousdamage to the cutting unit. 5. Version 2: Assembly: First fit the lower belt and then theupper belt. Ens...

English – 55 2B 3 4 4 6 2A 7 8 5 2 1 Reparation instructions Removal of blades with bearings Unscrew the screw which holds the blade andremove the screw, washer and blade. • Release the spring which tensions the V-belt and twist off the belt. • Unscrew the screw which holds the pulley (2) and detach...

English – 57 2 1 Reparation instructions Grinding and balancing of blades • Remove the blades according to the decription in the previous section. • Clamp the blade in a screw vice and file it so that it becomes sharp. Balance the blade as follows: • Fix, for example, a mandrel horizontally in a scr...

58 – English Electrical system Circuit diagram Rider 11 1. Microswitch, seat2. Ignition lock3. Microswitch, lifting lever4. Microswitch, gear position5. Fuse 15A6. Starter relay7. Engine/charging8. Engine/stop Key to colour abbreviations in the electrical systemSV = Black RD = RedBR = BrownBL = Blue...

English – 59 4 5 6 1 2 3 G B L M S S G B M Pos.AvPåStart 3 B+L+S 2 B+L 1 G+M Utf . M B G S L 1 2 4 3 6 5 1 2 7/8 SV 1160mm GL 1030mm GL 1030mm SV 650mm SV 1160mm SV 510mm VT 450mm VT 760mm SV 650mm BL1050mm RD 980mm VT 760mm BR 740mm SV 510mm BL 1190mm BL 1190mm BR 740mm BL 1050mm RD 770mm RD 70mm R...

60 – English Circuit diagram Rider 16 Electrical system 1. Microswitch, seat2. Ignition lock3. Microswitch, lifting lever4. Microswitch, gear position5. Fuse 15A6. Starter relay7. Engine/charging8. Engine/stop9 Engine/fuel valve Key to colour abbreviations in the electrical systemSV = Black RD = Red...

English – 61 Rider 11 Rider 13, Rider 16 N 2 1 Electrical system Inspecting the safety system The Rider is equipped with a safety system thatprevents starting or driving under the followingconditions: The engine should only be possible to start whenthe cutting unit is in its raised position and theh...

62 – English Microswitch: Seat 1. Fold up the seat and remove the spring disc with spring and spacer sleeve. The microswitchholder is released. 2. Disconnect the cable connections from the microswitch. 3. Press in the fasteners and remove the microswitch from the holder. Assembling is done in the re...

English – 63 Ignition and Starter Lock The fuse is placed in a detachable holder under thebattery case’s cover, in front of the battery. Type: Flat pin, 15 A. Do not use any other type of fuse when replacing. A blown fuse is indicated by a burnt connector. Pull the fuse from the holder when replacin...

Starter motor and/or cable connection defective No contact on starter relay Starter motor does not turn the engine No spark from spark plug No current to relay Relay defective Change relay Check connections Change starter motor Defective ignition switch Microswitch on the cutting equipment’ s liftin...

Engine runs unevenly or lacks power Ignition fault Defective spark plug Incorrect ignition setting Diode fault (V -twin engine) Replace the diode Heavily worn or blocked Incorrect heating value Incorrect contact gap Incorrect pre-ignition position Clean, adjust or replace the plug Change to a spark ...