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Husqvarna Rider 850 Workshop Manual

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Rider 850, Rider 970,
Rider 850 HST, Rider 970 HST,
Rider 1030 Bioclip, Rider 1200
Workshop Manual
101 89 11-26

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  Summary of Contents for Husqvarna Rider 850

  • Page 1 Rider 850, Rider 970, Rider 850 HST, Rider 970 HST, Rider 1030 Bioclip, Rider 1200 Workshop Manual 101 89 11-26...
  • Page 2: Table Of Contents

    Rider 1200 ..........37 Replacing steering wires ....... 18 Removal of mowing deck Rider 970 ....37 Removal of mowing deck Rider 850 ....38 Removal/installation of steering axle ..... 18 Replacing cutting unit belts ......38 Removal/installation of wire wheel ....19 Belt replacement on bioclip-unit ....
  • Page 3: Safety Regulations

    Safety regulations Special instructions General instructions The fuel used in the ride-on mower has the The workshop handbook is written for personnel who following hazardous characteristics: are assumed to have general ride-on mower reparation and service know-how. • Toxic fluid and fumes •...
  • Page 4: Special Tools

    506 56 76-01 Ball-ended Allen key 5/16" to unscrew the engine pulley socket head cap screw (Kawazaki). 506 57 00-01 Wheel puller for Rider 850 and Rider 970. 506 66 48-01 Puller for engine pulley. 506 79 06-01 Ball-ended Allen key 3/8" to unscrew the engine pulley socket head cap screw (Briggs &...
  • Page 5: Technical Data

    Technical data Dimensions Transmission Rider 850/850 HST Rider 970/970 HST Rider 850 HST Rider 970 HST Length 2000 mm 2145 mm Manufacture Kanzaki K55 Kanzaki K55 Width 960 mm 1050 mm (970) hydrostatic hydrostatic 1260 mm (970 S) 1120 mm (970-Bioclip)
  • Page 6: Delivery Measures

    • The steering wheel must be fastened. • The seat must be fastened. IMPORTANT INFORMATION • On Rider 850, the support wheels are to be fastened on the mowing deck. On Rider 1030 Bioclip and Rider 1200 the safety system contact is to be assembled •...
  • Page 7: Fastening Support Wheels

    Before delivery Fastening support wheels Refilling battery acid Fasten the support wheels with axles, spacers and nuts in the support wheels holder. The battery is delivered dry from the factory. • Slowly fill the battery acid up to the mark on the battery.
  • Page 8: Design And Function

    Rider 850 to the largest Rider 1200 (the tools throughout the year. figures indicate the cutting width in mm). Rider 850 and Rider 970 can be delivered with a All Riders have articulated steering in order to easily cut around trees and other obstacles.
  • Page 9: Engine

    The handbooks can be ordered from used, the guarantee shall no longer be valid. an authorized service workshop. Rider 850 has a 10.5 or 12.5 hp single-cylinder side Rider 1030 Bioclip and Rider 1200 have 18 hp two- valved engine with spray lubrication.
  • Page 10: Steering

    Outline diagram of the articulated steering function. Rider 850 has a sliding bearing (2) steering column. Rider 850 HST, Rider 970, Rider 970 HST, Rider 1030 Bioclip and Rider 1200 have a roller bearing (1) steering column.
  • Page 11: Driving

    Design and function Driving Rider 850 and Rider 970 have a manual gear box Rider 850 HST, Rider 970 HST, Rider 1030 Bioclip and Rider 1200 are equipped with hydrostatic with five forward gears, neutral and one reverse gear. This gear box is an "inline" type, which means...
  • Page 12: Mowing Deck

    1200 mm. effective cutting of uneven surfaces. Rider 850 has a mowing deck with rear discharge and a cutting width of 850 mm. Rider 970 can be delivered with different types of mowing deck: rear discharge, side discharge or with a bioclip-deck.
  • Page 13: Reparation Instructions

    Remove the clamps which hold the throttle and relay to the start motor. choke wires. Unhook the wires from their attachment in the carburettor. Rider 850/970 have just one wire which controls both the throttle and the choke. – English...
  • Page 14 Unscrew the safety guard attachments, (two skrews on each side) and lift out the safety guard. Remove the exhaust pipe clamps and the silencer's Rider 850/970 do not have a safety guard. four holder screws. Then remove the silencer and the exhaust pipe.
  • Page 15: Replacing Engine

    Reparation instructions Clamp together the wire holder under the engine pulley with a pair of flat pliers and pull the wire Remove the engine attachments, two on each side holder downwards. of the engine, and remove the engine from the mower.
  • Page 16 Reparation instructions Position the wires in the wire holder, clamp the holder together and, from below, lead it up through Lower the engine and tighten the engine the centre of the belt tensioner until it hooks over attachments (two on each side of the engine) with the tensioner's upper edge.
  • Page 17 Set the throttle control to full throttle and the choke control to full choke. Pull the wires' outer cover as far as possible to the right and tighten the clamp screws. Rider 850/970 have one wire to the gas/choke control. Attach the safety guard. Only Rider 1030/1200.
  • Page 18: Checking And Adjusting Steering Wires

    Reparation instructions Checking and adjusting steering wires Remove the frame plate by releasing the screws (two on either side). Attach the engine's electrical connections. The tension is checked by squeezing together the wires (as shown in the diagram). Without having to apply too much force, the wires should be able to be squeezed to half the distance between them.
  • Page 19: Replacing Steering Wires

    Reparation instructions Replacing steering wires Removal/installation of steering axle Release the steering wires' rear attachment (1). Release the steering wires' rear attachment (1). Remove the frame plate (see page 17). Release the steering wires' front attachment (2) at the steering transmission chain (6) and pull the Remove the steering wheel and steering column by steering wires out throught the frame.
  • Page 20: Removal/Installation Of Wire Wheel

    (3), are tightened with moment complete set (attachment, wire wheel, bushing, (5–10 Nm). bearing) to assemble, article no. 506 50 09-01. For Rider 850 and Rider 970, the parts are ordered separately. Removal/installation of wire wheel Detach the steering wires' rear attachment (1) .
  • Page 21: Checking And Adjusting Brake Wire

    Checking and adjusting brake wire Checking and adjusting Rider 1030 Bioclip/ 1200 Checking and adjusting Rider 850/970 Check that the brake is correctly adjusted by measuring the distance between the brake lever Check that the brake is correctly adjusted by and the front edge of the recess on the chassis.
  • Page 22: Checking And Adjusting Gear Control Rider 850/970

    Reparation instructions Checking and adjusting gear control Checking and adjusting throttle control Rider 850/970 Rider 1030/1200 Detach the locking nut (1) on the ball joint. Check the gear control adjustment by setting the gear change lever to the ”N” position. When the...
  • Page 23: Checking And Adjusting Freewheel Clutch Rider 850/970

    Reparation instructions Replacing articulated steering bearing Checking and adjusting freewheel clutch Rider 850/970 The freewheel clutch is correctly adjusted when the • Remove the engine according to the earlier tensioning wheel's outward movement is stopped description (see page 12). by the belt and not by the wire.
  • Page 24 Reparation instructions Remove the inner circlip (1) from the lower bearing • Loosen the steering wires (1) and remove the (see diagram). The rear section is now loose and steering rim. can be moved. Then detach the outer circlip (2) and •...
  • Page 25: Removal Of Swing Axle

    Reparation instructions Removal of swing axle Remove the circlip and washer from the swing • Block-up the machine in front of the rear frame. axle's inner holder (1) and pull the swing axle out backwards. • Remove the transmission/gear box cover. If the dust protection (2) is damaged, this should be replaced by a new one.
  • Page 26: Removal/Installation Of Gear Box

    Reparation instructions After installation of the swing axle, lubricate the lubricating area above the swing axle housing with molybdenum disulphide grease. Also check that the wires and controls are correctly adjusted justerade (see page 20–22). Finally, attach the transmission/ gear box cover. Roll the rear frame forwards and press it in on the swing axle.
  • Page 27: Removal/Installation Of Hydrostatic Transmission Rider 850 Hst/970 Hst

    Reparation instructions Removing/installation of hydrostatic transmission Rider 850 HST, Rider 970 • Release the tensioning wheel spring (1). • Unfasten the clutch wire (2), and detach the belt from the gear box pulley. • Detach the gear and brake wires (3 and 4).
  • Page 28: Removal/Installation Of Hydrostatic Transmission Rider 1030/1200

    Reparation instructions Removing/installation of hydrostatic transmission Rider 1030, Rider 1200 Insert a garage jack under the hydrostatic transmis- sion and loosen its five holder screws. • Block-up the machine in front of the rear frame and remove the back wheels. •...
  • Page 29 Reparation instructions • Detach the drive belt (1) and release the brake Insert a garage jack under the hydrostatic wire spring (2). transmission and loosen its five holder screws. • Disconnect the brake wire (3) and dismantle the throttle control (4). •...
  • Page 30: Replacing Hydrostat. Trans. Axle Seals

    Reparation instructions Replacing hydrostatic transmission axle sealing collars • Wrap insulation tape around the ingoing axle to protect the new sealing collar from damage to splines and grooves. Take the hydrostatic transmission out of the ride- Start by wrapping from the bottom and continue on mower, as indicated in previous description upwards over the axle until the entire axle is (see page 26).
  • Page 31: Outgoing Axles

    Reparation instructions Sealing collar replacement - outgoing axles • Place the sealing collar on the axle, with the metal spring inwards, and press it in carefully . • Clean the outgoing axle and the area around the sealing collar of all dirt and rust. IMPORTANT INFORMATION •...
  • Page 32: Hydrostatic Transmission Brake

    Reparation instructions Hydrostatic transmission brake Installation of brake Removal of brake • Put the brake drum on the axle and attach the • Place blocks in front of and behind the wheels so circlip. that the ride-on mower can not roll. Then, release the parking brake.
  • Page 33: Adjustment Of Brake

    Reparation instructions When the parking brake is fully applied, the gap • Firmly attach the brake's connecting rod in the between the spring and the spring holder hole on the brake lever and assemble the attachment (see diagram) should be 4–8 mm. washer and spring clip.
  • Page 34: Bleeding Hydrostatic Transmission Oil System

    Reparation instructions Bleeding the hydrostatic transmission oil system For immediate bleeding of the oil system, fill new oil directly into the transmission (1) and, at the same time, pull the pump round by hand with the brake drum (2). • Check the hydrostatic transmission oil level. •...
  • Page 35: Transmission Maintenance

    Reparation instructions 8° 1/3 FS 1 = Axle 1 = Axle 2 = Lock nut 2 = Lock nut If the drive shafts do not rotate backwards despite • Slowly turn the axle anti-clockwise until the drive the hexagonal axle having rotated a full turn, the shafts stop rotating backwards and make a mark neutral position is to be adjusted in the following on the transmission housing (RS).
  • Page 36: Pressure Rider 970/1030 Bioclip/1200

    Reparation instructions Checking and adjusting mower deck Checking and adjusting mower deck ground pressure Rider 970/1030 parallelism Bioclip/1200 Place the ride-on mower on an even surface and measure the distance between the ground and the Place a set of bathroom scales under the mower edge of the deck, at the front and rear of the cover.
  • Page 37: Adjusting Rider 850

    • On Rider 970 and Rider 850, firstly remove the right-hand fender. Adjusting Rider 970 Rider 970 and older versions of Rider 1000, 1030 and 1200 are adjusted by screwing a fork on the parallel strut.
  • Page 38: Removal Of Mowing Deck Rider 1030 And Rider 1200

    Reparation instructions Removal of mowing deck Rider 1030 Removal of mowing deck Rider 970 and Rider 1200 Remove the front cover. Set the cutting height to the highest position. Push the stop (1) in against the crossbar and then set Remove the front cover.
  • Page 39: Removal Of Mowing Deck Rider 850

    Reparation instructions Removal of mowing deck Rider 850 Replacing mowing deck belts Belt replacement on bioclip-deck A bioclip-deck is driven by two synchronous transmission belts which synchronise the rotation of the blades. The belts are situated under a cover on the mowing deck. Replace the belts in the following way: •...
  • Page 40: Belt Replacement On Mowing Deck With Side Or Rear Discharge

    Reparation instructions • Loosen the eccentric plate nut and twist it off. • Tension the belts by twisting in the eccentric • Loosen the four nuts (see diagram), which hold tensioning device on the upper side of the the outer blade bearing, so much so that the mowing cover.
  • Page 41: Removal Of Blades With Bearings

    Reparation instructions Removal of blades with bearings Unscrew the four screws which hold the blade bearing and remove the entire bearing packet from the mowing deck. WARNING! When working with the mowing deck, use protective glasses and gloves. • Release the spring which tensions the V-belt and twist off the belt.
  • Page 42: Grinding And Balancing Of Blades

    The entire packet can be bought as a complete set with axle housing, axle, spacer and bearing. The Rider 1200 set does not include an axle. Model Outer bearing Middle bearing Rider 850 506 53 34-01 506 53 34-02 Rider 970 506 75 11-01 506 75 11-04...
  • Page 43: Electrical System

    Electrical system Circuit diagram Rider 850 Key to colour abbreviations in the electrical system 1. Microswitch, seat 2. Ignition lock SV = Black 3. Microswitch, lifting lever RD = Red 4. Microswitch, gear position BR = Brown 5. Fuse 15A = Blue 6.
  • Page 44: Circuit Diagram Rider 970

    Electrical system Circuit diagram Rider 970 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.
  • Page 45: Circuit Diagram Rider 850/970 Hst

    Electrical system Circuit diagram Rider 850/970 HST 1. Microswitch, seat Key to colour abbreviations in the electrical system 2. Ignition lock SV = Black 3. Microswitch, lifting lever RD = Red 4. Microswitch, hydrostatic transmission BR = Brown 5. Fuse 15A = Blue 6.
  • Page 46: Circuit Diagram Rider 1030 Bioclip/1200

    Electrical system Circuit diagram Rider 1030 Bioclip/1200 1. Brake switch, hydrostatic transmission Key to colour abbreviations in the electrical system 2. Microswitch, mowing deck RD = Red 3. Microswitch, seat = Blue 4. Ignition lock VT = White 5. Timing unit SV = Black 6.