Husqvarna Rider 111B5 Workshop Manual

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Operator's manual (32 pages)

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Workshop manual

Rider 111B Rider 111B5

Rider 112C Rider 112C5

Rider 115C Rider 120C

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Summary of Contents for Husqvarna Rider 111B5

Page 1 Workshop manual Rider 111B Rider 111B5 Rider 112C Rider 112C5 Rider 115C Rider 120C English...
Page 3 Workshop Manual Rider 100-series Contents Safety Instructions ..........2 Checking engine oil level ........ 15 General directions ........... 2 Wheels ............16 Special directions ..........2 Administration ..........16 Special Tools ............3 Design and Function ........17 Technical Data 111 B5/111 B ......4 General ............
Page 4 Safety Instructions General directions Special directions This workshop manual is written for personnel with The fuel used in the ride-on mower has the a general knowledge of repairing and servicing ride- following hazardous properties: on mowers. • T he fluid and its vapor are toxic. The workshop where the ride-on mower is to be • Can cause eye and skin irritation.
Page 5 Special Tools The following special tools are used when working on the ride-on mower. Special tools for engine and transmission can be found in the respective workshop manual. 535 41 32-02 535 41 32-02 535 41 32-02 Mandrel for assembling the bushings on the swing axle. English –...
Page 6 Technical Data Rider 111B5 Rider 111B Dimensions Length without cutting unit, mm/ft 1734/5.69 1734/5.69 Length with cutting unit, mm/ft 2100/6.89 2100/6.89 Width without cutting unit, mm/ft 785/2.56 785/2.56 Width with cutting unit, mm/ft 883/2.90 883/2.90 Height, mm/ft 1084/3.56 1084/3.56 Service weight with cutting unit, kg/lb...
Page 7 Specifications Make Peerless MST 205 Hydrogear T2 Oil, grade SF-CC SAE 80W/90 SAE 20W/50 Number of forward gears Number of reverse gears Forward speed, km/h Reverse speed, km/h Cutting unit Type BioClip unit BioClip unit Cutting heights, 5 positions, mm/inch 25-70 / 1-2 3/4 25-70 / 1-2 3/4 Blade length, mm/inch...
Page 8 Rider 112C5 Rider 112C Dimensions Length without cutting unit, mm/ft 1781/5.84 1781/5.84 Length with cutting unit, mm/ft 2100/6.89 2100/6.89 Width without cutting unit, mm/ft 797/2.61 793/2.60 Width with cutting unit, mm/ft 883/2.90 883/2.90 Height, mm/ft 1084/3.56 1084/3.56 Service weight with cutting unit, kg/lb 191/421 191/421 Wheelbase, mm/ft...
Page 9 Make Peerless MST 205 Tuff Torq T36P Oil, grade SF-CC SAE 80W/90 SAE 20W/50 Number of forward gears Number of reverse gears Forward speed, km/h Reverse speed, km/h Cutting unit Type Combi unit Combi unit Cutting heights, 5 positions, mm/inch 25-70 / 1-2 3/4 25-70 / 1-2 3/4 Blade length, mm/inch...
Page 10 Rider 115C Rider 120C Dimensions Length with cutting unit, mm/ft 2290/7.52 2290/7.52 Width with cutting unit, mm/ft 990/3.25 1260/4.13 Height, mm/ft 1080/3.56 1080/3.56 Service weight with cutting unit, kg/lb 219/482.5 221/487.2 Wheelbase, mm/ft 845/2.77 845/2.77 Tire dimension 165/60-8 165/60-8 Air pressure rear - front, kPa (bar/PSI) 60 (06/8.7) 60 (06/8.7) Max.
Page 11 Make Tuff Torq T36P Tuff Torq T36P Oil, grade SF-CC Forward speed, km/h 0-10 0-10 Reverse speed, km/h Cutting unit Type Combi unit Combi unit Cutting heights, 5 positions, mm/inch 25-75/1-3 25-75/1-3 Blade length, mm/inch 430/17 430/17 Note. 1: The power rating of the engine is the average net output (at the specified rpm) of a typical production engine of the model, measured to SAE standard J1349/ISO1585. Mass production engines may differ from this value. Actual power output for the engine installed in the final machine will depend on the operating speed, environmental conditions and other variables.
Page 12 Delivery and Dealer Service Delivery service 1. Charge the battery with max 3 Amps for 4 hours. 2. Attach the cutting unit to the machine, see Attaching the cutting unit. 3. Fit the steering wheel, seat, and, where appropriate, other details. 4.
Page 13 Delivery and Dealer Service Dealer Service 25-hour service 300-hour service 1. Change engine oil on top valve engine at high 1. Inspect the machine. Reach agreement with the load and temperature. customer about which additional work should be carried out. 2.
Page 14 Delivery and Dealer Service Service Schedule The following is a list of maintenance procedures that must be performed on the ride-on mower. For those points not described in this workshop manual, refer to the operator’s manual. Page Daily mainte- nance before starting Check the engine oil level Check the engine cooling air intake Check the fuel pump’s air filter Check the steering wires Check the brakes...
Page 15 Delivery Measures Packaging and unpacking To our dealers On delivery from the factory, the Rider is normally A well-performed delivery service is the first step to a functioning aftermarket. It is in everybody's packed in special packing. This comprises a bottom interest to have a functioning aftermarket: board of wood with a top of sturdy cardboard, kept together with plastic film.
Page 16 Delivery measures Battery Connecting the jump leads WARNING! IMPORTANT INFORMATION Measures after contact with acid Your lawn mower is equipped with a 12- volt system with negative ground. The External: Rinse with plenty of water. other vehicle must also have a 12-volt system with negative ground.
Page 17 Delivery measures Steering Wheel Checking the engine’s oil level. Check the oil level in the engine when the ride-on mower stands horizontal with the engine switched off. Raise the engine cover. Loosen the dipstick, pull it up and wipe it off. 1 Fit the steering wheel with steering column tube onto the steering column.
Page 18 Delivery measures Wheels The tire pressure should be 60 kPa (0.6 bar / 8.5 PSI) on all wheels. Highest permitted pressure is 100 kPa / 1.0 bar / 14 PSI. IMPORTANT INFORMATION Different pressures in the front wheels will make the blades cut the grass at different heights.
Page 19 They all also have front-mounted cutting units for controlled mowing and the best possible cutting results. Husqvarna Riders are also equipped with accessories such as lawn rake and snow blade, making them flexible tools for all-year-round use. Riders 111B5 and 112C5 are delivered with manual transmission, other Rider models are delivered only with hydrostatic transmission.
Page 20 Design and Function Serial number The machine's serial number can be found on the R112, R115, R120 printed plate (1) attached to the right below the engine cover. Stated on the plate, from the left, are: • The machine’s type designation (Model). • The manufacturer’s type number (PNC). • The machine's serial number (Serial Number) Please provide the type designation and serial number when ordering spare parts.
Page 21 Design and Function Engine The Husqvarna Rider 100 series has a one- cylinder, air cooled engine from Briggs & Stratton. For information concerning the motors fitted to respective Rider models, see the Specification chapter. Major engine repairs are not described in the workshop manual. Detailed information on adjustment and reparation of the engine is available in Briggs &...
Page 22 Design and Function Steering All ride-on mowers in the Rider range have articulated steering. The force from the steering wheel is transferred to the rear carriage via cables and a chain. This makes the ride-on mower easy and precise to steer.
Page 23 Design and Function Drive Rider 111B5 and 112 C5 has a manual gearbox The Rider 111 B, 112 C, 115 C and 120 C are with 5 forward gears, a neutral position and 1 equipped with hydrostatic transmission that backward gear. This gearbox is a so-called “inline”...
Page 24 Repair Instructions Removing the engine The figures show a Rider 112C. 1 First disconnect the negative terminal on the battery and then the positive terminal. IMPORTANT INFORMATION! Hold the bolts so that the poles are not put under strain. 3 Remove the covers on the back of the machine, the side covers and the cover over the fuel tank.
Page 25 4 Place a suitable vessel underneath the fuel tank to collect the gasoline in. The tank capacity is 4 liters. 7 Disconnect the two electric cables. Remove the cable connecting the starter relay to the starter. 5 Remove the clamp and hose from the fuel tank Loosen the ground cable.
Page 26 10 Unscrew the muffler. 13 Loosen the drive belt from the pulley under the engine plate. 11 Unscrew the remaining 3 screws from the engine block. 14 Lift off the engine. 12 Unhook the spring on the drive belt pulley in the articulated unit and turn the belt tensioner to one side.
Page 27 Fitting the Engine 3 Return the belt tensioner a hook on the spring. 1 Lift off the engine. 4 Fit the engine block with 3 screws. Then reconnect the ground cable, the 2 electrical cables and the cable from the starter relay to the starter motor. 2 Replace the drive belt around the pulley.
Page 28 5 Fit the muffler with 2 screws. 8 Fit the fuel tank with two screws and associated washers. 6 Fit the heat shield on the muffler with 2 screws. 10 Fit the hose to the fuel tank and fasten the hose clip. 11 Fill with fuel. The tank capacity is 4 liters. 7 Reconnect the throttle cable. 26 –...
Page 29 12 Lift the battery back into place and connect the positive and negative terminals. 13 Refit the covers on the back of the machine, the side covers and the cover over the fuel tank. English – 27...
Page 30 Fuel tank Removal WARNING! Gasoline is highly flammable and environmentally hazardous. Take great care to prevent fires and avoid spills. The figures show a Rider 111. 1 Place a suitable vessel underneath the fuel filter to collect the gasoline in. The tank holds around 2.65 liters/2.8 USqt (R11B5+111B) 4 liters (R112C5+112C) 7 liters (R115+R120) 3 Remove the two screws (1) holding the tank.
Page 31 Repair instructions Changing engine oil Checking and adjusting the steering cables The engine oil should be changed the first time after 8 hours running time; see the "Service The steering is controlled with cables. These can Schedule". It should then be changed after every stretch after a time, which means the steering 50 hours of running (25 hours when run under settings can change.
Page 32 Repair instructions Replacing the Steering Cables 4 Ensure that the steering wheel is in the center position when the rear wheels are centered. Re- 1 Loosen the rear fastening of the steering set the chain on the steering column's sprocket cables (1).
Page 33 Repair instructions Removing/Fitting the Steering Shaft 1 Loosen the rear fastening of the steering 4 Unscrew the screw (2) in the lower edge of the cables (1). steering wheel rod. 5 Pull the steering wheel shaft (3) upwards and move the lower part of the shaft backwards to pull off the steering chain (4).
Page 34 Repair instructions Removing/assembling the cable pulley 1 Loosen the rear fastening of the steering Ensure that the cables are properly placed in the cables (1). steering cable pulleys (7). 2 Remove the screw (2) and the cable pulley (5). Ensure that the steering wheel is in the center position when the rear wheels are centered.
Page 35 Repair instructions Checking and adjusting the brake cable Rider 111B Rider 111 B5/112 C5 The brake is properly adjusted when the brake Ensure that the brake is properly adjusted by lever (1) is completely vertical. If it is not, adjust the measuring the gap between the brake lever (3) and brake wire by pulling the rubber sleeve (2) aside, the sleeve behind it.
Page 36 Repair instructions Checking and adjusting the gear control Checking and adjusting the clutch Rider 111 B5/112 C5 Rider 111 B5/112 C5 Check the gear control adjustment by putting the gear lever in the "N" position. If the machine moves easily, the lever is properly adjusted. Otherwise the controls should be adjusted as follows: 1 The clutch is properly adjusted when the idler’s...
Page 37 Repair instructions Checking and adjusting the accelerator Changing articulated steering bearing Rider 111 B/ 112 C/115 C/120 C 1 Remove the engine cover by loosening two 1 Remove the cover on the right side of the rear snap-in locks at the front and two hinges at the carriage.
Page 38 Repair instructions Rider 111 B5/112 C5: 4 Loosen the spring for belt 1 (engine belt) using a spring hook. 7 Loosen the spring that is tensioning belt 2 (transmission belt) using a spring hook. Rider 111 B/112 C/115 C/120 C: 5 Remove the belt tensioner.
Page 39 Repair instructions 10 Remove the rear attachments of both steering cables. 8 Pull off belt 2 from the transmission, first from the rear deck belt pulley and then from the front. 11 Loosen the articulated shaft's screw from below. Rider 111 B5/112 C5 9 Loosen belt 3 (cutting unit drive) from the tension roller.
Page 40 Repair instructions 14 Jack up the front carriage in front of the cable pulley without squeezing any cables. Jack up 13 Loosen the two screws (4) using a half-inch the rear carriage in the rear edge. wrench. Loosen the screw (5) behind the muffler and the screw (6) holding the exhaust pipe. The belt guides can now be removed.
Page 41 Repair instructions Removing the swing axle 1 Follow step 1 to 15 in "Replacing the Articulated Steering Bearings". 2 Remove the front wheels to obtain better access. 3 Remove all the cables laid out between the front and the rear carriage, in their rear attachments. Make a note of how the cables are laid out.
Page 42 Repair instructions Replacing the pendulum shaft bushings Replacing the bearings in the articulation unit belt pulleys Once the swing axle has been remove, the bushings in the rear frame must be changed. Remove the cover (1) on the right hand side. Loosen the spring (2) with a spring hook.
Page 43 Repair instructions Assembling the swing axle 5 Fit the articulated shaft with the short key grip and plastic cover face down. Ensure the spanner is inserted into the hole on the fork. 1 Slide the washer (2) on the pendulum shaft with the beveled edge against the fork (1) of the 6 Fasten the cables in their respective positions pendulum shaft.
Page 44 Repair instructions Replacing the hydrostatic cable Rider 111 B/112 C/115 C/120 C Removing the hydrostatic cable 3 Remove the front hydrostatic cable clamp that is fastened inside the center console. 1 Remove the frame cover by loosening the 4 Cut off the plastic tie around the cable at the screws (three).
Page 45 Repair instructions Fitting the hydrostatic cable 1 Feed the new cable through the mower so it 6 Lift the link joint off and remove the hydrostatic runs the same route as the old one. cable. Loosen the rear link joint from the cable. Turn the cable so that it comes loose from the front link joint.
Page 46 Repair instructions 4 Tighten the hydrostatic transmission cable clamp. 7 Place the hydrostatic transmission cable in place and screw the casing on with the rear bracket (3). 8 Adjust the hydrostatic transmission cable as shown, see Checking and Adjusting the Accelerator.
Page 47 Repair instructions Replacing brake cable Fitting the brake cable 1 Pull through the new brake cable on the Rider. Removing the brake cable 2 Fit the rear of the cable. 1 Unhook the spring in the front part of the brake cable.
Page 48 Repair instructions Replacing belt 4, as far as the cutting unit Starting position for removing belts: • No unit is attached to the machine. • The front part of the belt is loose. • The lifting lever is lowered. 1 Jack up the front carriage and remove the left front wheel.
Page 49 Repair instructions Replacing belt 3, cutting unit drive Follow the instructions for "Replacing belt 4, as far as the cutting unit" up until step 7. Then proceed according to the following instructions: 7 Pull belt 3 off the unit belt pulley. 1 Remove the rear cover of the front frame.
Page 50 Repair instructions 4 Lift off belt 1. 6 Remove the cover on the left hand side of the rear carriage. 5 Remove the spring for the belt tensioner for belt 2 (transmission belt). Rider 111 B5/112 C5: Rider 111 B/112 /115 C/120 C: 7 Pull off belt 2 from the transmission, first from the rear deck belt pulley and then from the front.
Page 51 Repair instructions Removing the cutting unit The cutting unit can be removed in order to facilitate cleaning and servicing. To remove the cutting unit proceed as follows: 1 Put the machine in a level position. 5 Loosen the snap-in lock and lift off front cover. 2 Apply and secure the parking brake.
Page 52 Repair instructions Service position for cutting unit Follow the instructions for "Removing the cutting unit" above. Lift off the unit and lean it against the machine or a wall. 4 Push the unit until you feel the pipes touch bottom. Attaching the cutting unit 5 Fit the belt according to the picture.
Page 53 Repair instructions Removal of blades and blade housing WARNING! Use gloves and protective goggles when working on the cutting unit. The cutting unit should be removed from the machine, see "Removing the cutting unit". 4 Secure the blade with a wooden block or hold the belt pulley with an oil filter puller for example.
Page 54 Repair instructions 7 The whole bearing package is available as a complete kit with shaft housing, shaft and bearings. Assembly is done in reverse order to dismantling. 3 Balance the blades as follows: The blade bolt tightening torque is 45-50 Nm • Put e.g.
Page 55 Electrical System Wiring diagram 1. Microswitch, seat 6. Starter relay 2. Ignition lock 7. Grounding point engine 3. Microswitch, lifting lever 8. Starter motor 4. Microswitch, pedal carrier 9. Solenoid valve carburettor 5. Fuse, 15A 10. Battery English – 53...
Page 56 Electrical System Electrical system components Microswitch cutting unit The electrical system consists of four cables, three microswitches, one ignition switch and one fuse. If the mower does not start (the start engine does not rotate when the key switch is turned to the starting position), one of the electrical system components might be damaged.
Page 57 Electrical System Ignition and starter switch Main fuse The main fuse is placed in a detachable holder 1 Unplug the connector from the ignition switch by behind the battery under the protective cover. pulling straight down. 2 Remove the ignition key and the rubber seal. 3 Remove the nut and the ignition switch.
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This manual is also suitable for:

Rider 111b Rider 100 series Rider 112c Rider 112c5 Rider 115c Rider 120c