Safety regulations Special instructions General instructions The fuel used in the ride-on mower has the The workshop handbook is written for personnel following hazardous characteristics: who are assumed to have general ride-on mower reparation and service know-how. • Toxic fluid and fumes •...
Special tools The following special tools are used when working on the ride-on mower. Special tools for the engine and transmission are specified in resp. Workshop Manuals. 506 66 48-01 506 79 06-01 506 89 92-01 506 89 93-01 535 41 32-01 506 66 48-01 Puller for engine pulley.
Technical data Dimensions Rider 11 Rider 11 C Length 2 000 mm / 6.56 ft 2010 mm / 6.58 ft Width 900 mm / 2.89 ft 900 mm / 2.89 ft Height 1070 mm / 3.52 ft 1070 mm / 3.52 ft Weight in working order with unit 229 kg / 505 lb...
Technical data Dimensions Rider 13 C Rider 15 C Length without unit 2010 mm / 6.58 ft 2010 mm / 6.58 ft Length with unit 2220 mm / 7.29 ft 2220 mm / 7.29 ft Width without unit 880 mm / 2.89 ft 880 mm / 2.89 ft Width with unit 1114 mm / 3.65 ft...
Technical data Dimensions: Rider 16 Length 2 000 mm/6,56 ft Width 900 mm/2,95 ft Height (over steering wheel) 1 060 mm/3,48 ft Weight 208 kg/459 lb Track front 625 mm/2,05 ft Track rear 625 mm/2,05 ft Wheel base 860 mm/2,81 ft Tyre size 16 x 6.50 x 8 Air pressure...
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 be 12–15 kg (26,5-33 lb), or set to maximum lift if brush is to be fitted).
Page 10
Delivery and dealer service Dealer service 100 hours service 25 hours service 1. Carry out 25 hours service as above. 1. Change the engine oil on the side-valve 2. Carry out 50 hours service as above. engine (With high load and temperature on 3.
Delivery and dealer service Maintenance schedule The following is a list of the maintenance which should be conducted on the machine. Most of the points that are not covered by this workshop manual are covered by the operator’s manual. Daily Maintenance interval in maintenance hours...
Delivery measures Packaging and unpacking To our dealer On delivery from the factory the Rider is normally Well-performed delivery service is the first step to packed in special packaging. This consists of a a functioning aftermarket. A functioning wooden bottom board with a top part consisting of aftermarket is in everybody’s interest: heavy-duty cardboard held together by plastic film.
Delivery measures Battery WARNING! Measures for contact with acid External: Rinse thoroughly with water. Internal: Drink large quantities of water or milk. Contact a doctor as soon as possible. Eyes: Rinse thoroughly with water. Contact a doctor as soon asap. The battery gives off explosive gas.
Delivery measures 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 on the steering wheel and tighten the socket head cap screw so that it bottoms in the slot.
Delivery measures Checking the oil level in the transmission (Not Rider 11) Remove the transmission cover. Loosen both screws (one on each side) and lift off the transmission cover. Check that there is oil in the transmission’s oil tank. Fill if necessary with engine oil SAE 10W/30 (class SF–CC).
Check that the starter does not function when any of the hydrostatic transmission pedals are activated (Rider 13C, 15C, 16) or when the gear stick is not in neutral (Rider 11). Check that the engine stops when getting up from...
Delivery measures Check the function of the mowing deck and that there is no abnormal noise. The mowing height can be regulated in 9 different positions with the lever. Deck with rear ejector, 40-90 mm, mowing height (1 9/16" - 3 9/16") Combi-deck, 45-95 mm, mowing height...
Design and function General Husqvarna Riders can, moreover, be equipped Husqvarna Riders is a series of ride-on mowers with various accessories such as moss rake and with a large capacity. It is available in several sizes, from the smallest Rider 11 to the largest dozer blade which make them flexible working Rider ProFlex 21.
Design and function Serial number The serial number can be found on the printed plate attached to the front, left-hand side under the seat. Stated on the plate, from the top are: • The machines type designation. • The manufacturer’s type number. •...
Design and function Engine These Husqvarna Riders have single-cylinder, air- cooled engines from Briggs & Stratton. More intricate engine repairs are not described in this workshop handbook, these can instead be read in Briggs & Stratton's own handbooks which contain detailed information about adjusting and repairing the engines.
Design and function Steering Thanks to the articulated steering, the turning All the ride-on mowers in the Rider series have radius is extremely small, the uncut circle when articulated steering. The steering force from the the steering wheel is fully turned is just 20-30 cm steering wheel is transferred to the rear section (8"-12")depending on which model is chosen.
Design and function Driving Rider 13 C, Rider 15 C and Rider 16 are equipped Rider 11 has a manual gear box with five forward with hydrostatic transmission which provides the gears, neutral and one reverse gear. This gear driver complete control. Continuously variable box is an "inline"...
Page 23
Design and function Combi 94 Removing the BioClip plug Combi 94 Combi 112 Removing the BioClip plug Combi 103, 112 Mowing deck with rear ejection, 850 mm (34") English –...
Page 24
Design and function The mowing deck is raised and lowered using the When lowering the unit, the two connecting rods, mechanical lifting lever, which actuates a shaft via the three-point link, will alter the belt adjuster that rotates. so that the drive belt is tensioned and the blades When the shaft rotates, the chain that is secured begin to rotate.
Reparation instructions Removing engine The figures under ”Dismantling” show Rider 11 C, Rider 13 C and Rider 16 in older designs (R16 up to the 2002 model), for a more recent Rider 16 design (2003-) see ”Assembling the engine”. The text applies to all versions.
Page 26
Reparation instructions 506 89 92-01 506 79 06-01 Remove the fuel line hose clamp from the fuel pump and pull the fuel line downwards. Tie the hose higher than the fuel tank level. Insert tool no. 506 79 06-01 into the centre of the engine pulley.
Reparation instructions Replacing engine The figures under ”Assembling” show the newer 506 89 92-01 Rider 16 model (2003-). For older designs (R16 up to the 2002 model), and Rider 11, 11 C, 13 C and 15 C see ”Dismantling the engine”. The text applies to all versions. 506 79 06-01 Position the pulley with tool no.
Page 28
Reparation instructions Push the throttle control to full choke position. Pull the wire’s outer casing as far to the right as possible and tighten the clamping screw. Pull back the throttle control to the full throttle position and check that the choke is no longer actuated. Press the fuel line securely on the fuel pump and fit the hose clamp.
Reparation instructions Fuel tank Removal WARNING! Petrol is highly flammable and environmentally hazardous. Exercise caution to avoid fire and spillage. 1. Place an appropriate container to catch the petrol. The tank holds approx. 7 litres / 7.4 USqt. 2. Empty the petrol tank by removing the hose from the connector under the tank.
Reparation instructions Changing the oil Checking and adjusting steering wires The engine oil should be replaced after the first five hours of running time, see service chart. Thereafter it should be replaced every 50 hours of running time (25 hours in harsh operating conditions).
Reparation instructions Replacing steering wires Removal/installation of steering axle 1. Release the steering wires' rear attachment 1. Release the steering wires' rear attachment (1). (1). Remove the frame plate. 2. Remove the frame plate. 2. Remove the steering wheel and steering column by releasing the lock nut and 3.
Reparation instructions Removal/installation of wire wheel 1. Remove the frame plate. The screw (2) is to be mounted in the rear hole on the frame. The bushing (6) is to be 2. Detach the steering wires' rear attachment (1) placed between the frame and the cable pulley.
Reparation instructions Checking and adjusting brake wire Rider 13 C, Rider 15 C and Rider 16 Check that the brake is correctly adjusted by Rider 11 and Rider 11 C positioning the ride-on mower on a gentle slope and applying the brake. If the ride-on mower does not stand still, the brake needs to be adjusted.
Reparation instructions Checking and adjusting gear control Checking and adjusting freewheel Rider 11 and Rider 11 C clutch Rider 11 and Rider 11 C The freewheel clutch is correctly adjusted when the tensioning wheel's outward movement is Check the gear control adjustment by setting the stopped by the belt and not by the wire.
Reparation instructions Checking and adjusting throttle Replacing articulated steering bearing control • Remove the engine according to the earlier 1. Detach the locking nut (1) on the ball joint. description (see “Removing engine”). 2. Push the lock spring (2) forwards far enough •...
Page 36
Reparation instructions • Work off the belts from the pulley (2). Remove the inner circlip (1) from the lower bearing (see diagram). The rear section is now • Loosen the steering wires (1) and remove the loose and can be moved. Then detach the outer steering rim.
Reparation instructions Removal of swing axle • Release the tensioning wheel spring (1). • Release the hydrostatic transmission wire (2) from the arm (3) and the casing from the holder (4). • Release the cable from the neutral position contact (5). •...
Reparation instructions Installation of swing axle 3 Rider 11 and Rider 11 C • 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). •...
Reparation instructions Removal/installation of gear box Removing/installation of hydrostatic transmission Rider 13C, Rider 15 C Rider 11 and Rider 11 C and Rider 16 • Block-up the machine in front of the rear frame • Block-up the machine in front of the rear frame and dismantle the rear wheels.
Reparation instructions Replacing hydrostatic transmission axle sealing collars Sealing collar replacement - input axle Remove the cooling fan, it is held by a circlip. Remove the pulley from the input axle by pulling it upwards and then removing the circlip under the pulley.
Reparation instructions • Place the sealing collar on the axle with the • Clean the outgoing axle and the area around smooth side upwards, and carefully press it the sealing collar of all dirt and rust. downwards. • Insert a screwdriver between the sealing collar •...
Reparation instructions Replacing hydrostatic transmission wire Removal of hydrostatic transmission wire • 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 it reaches the bottom of the axle housing.
Page 43
Reparation instructions 4. Remove the transmission cover. 7. Lift off the linkage and pull out the wire. Follow the hydrostatic transmission wire Lift out the transmission wire with the linkage backwards towards the transmission and cut off attached. the cable ties round the wire. Remove the lock spring at the transmission wire’s rear linkage.
Page 44
Reparation instructions Refitting hydrostatic transmission wire Press the wire casing in the front holder in the middle bracket. Screw the front ball joint onto the new transmis- sion wire and tighten the lock nut. Screw tight the hydrostatic transmission wire’s clamp.
Page 45
Reparation instructions Draw the transmission wire along with the other cabling. Place the wire at the bottom in the clamp, under the articulated steering’s bearing. Fix the hydrostatic transmission wire with a cable ties. Put the wire in position and screw tight the casing with the rear clamp.
Reparation instructions Bleeding the hydrostatic transmission Adjustment of transmission neutral oil system position 1. Bleed the hydrostatic transmission oil system. 2. Lift the back of the ride-on mower up so that the wheels are off the ground and place blocks under the machine. •...
Reparation instructions 1 = Axle 1 = Axle 2 = Lock nut 2 = Lock nut • Slowly turn the axle anti-clockwise until the If the drive shafts do not rotate backwards despite drive shafts stop rotating backwards and make the hexagonal axle having rotated a full turn, the a mark on the transmission housing (RS).
Reparation instructions Removing the belt Changing oil – Rider 13 C, Rider 15 C and Rider 16 Rider 11, Rider 11 C, Rider 13 C, Rider 15 C Empty the hydrostatic transmission with the two and Rider 16 plugs, width across flats 14 mm. The other screws have smaller widths.
Reparation instructions Checking and adjusting mower deck Checking and adjusting mower deck ground pressure parallelism Check the tyre pressures (60 kPa/8,5 PSI). Check the tyre pressures (60 kPa/8,5 PSI). Place a set of bathroom scales under the mower Place the ride-on mower on an even surface and deck's frame (front edge) so that the deck rests on measure the distance between the ground and the scales.
Page 50
Reparation instructions Adjusting Rider 16 Adjusting Rider 11 C, Rider 13 C and Rider 15 C • Remove the front cover and the right-hand • Remove the front cover and the right-hand fender. fender. • Unscrew the nut (1) on the parallel strut. •...
Reparation instructions Adjusting cutting height Adjusting cutting height area Remove the right-hand fender. • Loosen the nuts on the height setting arm. • Adjust so that the distance between the stop for the lowest height setting and the protective frame is 5 mm (3/16"). •...
Reparation instructions Removing the cutting unit Combi unit • Apply the parking brake. • Adjust the cutting height to its lowest setting. • Remove the front cover. Release the spring for the drive belt’s tensioning wheel. Move the cutting height lever to the lower position.
Reparation instructions Lift off the drive belt (1). Now pull out the pin (2). If the cylindrical bolt, which is now holding the Make sure not to trap your hand. mowing deck is removed, the mowing deck can be lifted off. To leave the service position To leave the service position, reverse the procedures set out in “Placing in the service...
Reparation instructions Dismantling the cutting unit Rear ejectors • 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 work gloves when working on the mowing deck.
Reparation instructions Belt replacement on the mowing deck Combi 94, 102 and 112 The blades on mowing decks with ”collision-proof” blades are driven by a V-belt. Proceed as follows to replace the V-belt: 1. Remove the cutting unit. 2. Undo the bolt on the lift strut and the two screws on the cover.
Reparation instructions Removing Blades with Bearings WARNING! Use gloves and protective eyewear when working with the cutting unit. Combi 112 You can recognise this unit by the fact that the collar on the bearing housing is located on the top of the unit’s cover.
Page 57
Reparation instructions 6. Remove the hub using a puller. Do not lose the key that sits between the hub and the shaft. Removing the hub 7. Remove the protective metal washer. Removing the protective washer 8. Mark one end of the shaft. Push out the shaft with a puller.
Page 58
Reparation instructions Combi 94, Combi 103 WARNING! Use gloves and protective eyewear when working with the cutting unit. You can recognise these cutting units by the fact that the collar on the bearing housing is located on the underside of the cutting unit’s cover. 1.
Page 59
Reparation instructions 6. Place the bearing housing in a vice and remove the blade and washers. Removing blades 7. Replace the blade bolt in the shaft. Screw it in a few turns and tap or press down the hub. Do not lose the key that sits between the hub and the shaft.
Reparation instructions Grinding and balancing of blades WARNING! When working with the blades, use protective gloves. 1. Remove the blades according to the decription in the previous section. 2. Clamp the blade in a screw vice and file it so that it becomes sharp.
Electrical system Circuit diagram Rider 11 1. Microswitch, seat Key to colour abbreviations in the electrical system 2. Ignition lock SV = Black 3. Microswitch, lifting lever RD = Red 4. Microswitch, gear position BR = Brown 5. Fuse 15A = Blue 6.
Electrical system Inspecting the safety system Check that the engine stops if you temporarily The Rider is equipped with a safety system that move out off the driver’s seat while the cutting unit prevents starting or driving under the following conditions: is lowered or the hydrostat pedals are not in the neutral position.
Page 65
Microswitch: Seat Microswitch: Neutral Position 1. Fold up the seat and remove the spring disc 1. Remove the transmission cover. with spring and spacer sleeve. The 2. Check the hydrostatic cable adjustment. microswitch holder is released. 3. Adjust the microswitch so that it is activated 2.
Page 66
Main fuse Ignition and Starter Lock 1. Loosen the right-hand wing cover. The fuse is placed in a detachable holder under the battery case’s cover, in front of the battery. 2. Remove the inner protecting plate on the gear Type: Flat pin, 15 A. lever carrier.