10 Troubleshooting 4.4 To fill fuel..............9 10.1 To measure voltage........... 75 4.5 To start the engine, P524 EFI........ 9 10.2 To measure resistance........75 4.6 To do a check of the engine speed...... 10 10.3 To do a check of cables and connectors....75 4.7 To do a last inspection.........
2 Safety 2.1 General safety instructions • Explosive gases can come from the battery. Do not smoke near the battery. Keep the battery away from WARNING: Read the warning instructions that open flames and sparks. follow before you use the product. 2.4 Risk of sparks The service center that repairs the product must have Sparks can occur when you do work on the battery and...
Move rearward. Warning: rotating parts. Keep body parts away. This product is in accordance with applicable EC directives. Hot surface. Noise emission to the environment according to the European Community's Directive. The product's emission is specified in the Technical data chapter and Do not touch.
Do not use the safety belt if the ROPS is disengaged. Cutting height. Always use the safety belt when the ROPS is engaged. Servicing position. The blades are engaged. Note: Other symbols/decals on the product refer to certification requirements for some commercial areas. The blades are disengaged.
3 Prepare and do servicing on the product 3.1 Pre delivery inspection Complete the sales certificate and the customer records. Write the serial number in the operator's manual and confirm the delivery service in the service book. 662 - 001 - 23.10.2018 Prepare and do servicing on the product - 7...
4 Assembly 4.1 Product overview P524 EFI 6 7 8 9 10 11 12 13 4.2 Battery 1. Forward drive pedal 2. Rearward drive pedal It is not necessary to do maintenance on the battery. It is 3. Light switch the responsibility of the dealer to install the battery.
Keep a minimum space of 2.5 cm. 7. Push the throttle control to full throttle position. 4.5 To start the engine, P524 EFI 1. Make sure that the bypass valves are closed. Refer Bypass valves on page 21 .
4.6 To do a check of the engine speed 1. Do a check of the engine speed with a Husqvarna tachometer. 2. Make sure that the maximum speed is correct. Refer Technical data on page 84 . 4.7 To do a last inspection •...
5 Function test 5.1 To do a check of the operation conditions The operation conditions are as follows: • The engine can only be started when the drive of the blades is disengaged. • The engine can only be started when the parking brake is applied.
6 Servicing 6.1 Servicing schedule not described in this workshop manual can be found in the operator’s manual. The following is a list of maintenance procedures that must be performed on the ride-on mower. Most points Maintenance Daily Week- First Maintenance interval in hours 10 h...
Maintenance Daily Week- First Maintenance interval in hours 10 h 40 h 25 h 100 h 200 h 400 h Lubricate according to the lubrication chart. Hydrostatic cable with links. Parking brake wire. Throttle control. Choke control. Pivoting wheel. Belt adjuster. 2.
Maintenance Daily Week- First Maintenance interval in hours 10 h 40 h 25 h 100 h 200 h 400 h Hydraulic oil. Replace the pump belt. Replace the cutting deck drive belt. Oil in the gearbox (SAE 10W/40) / (SAE 10W/50 Synthetic only for AWD).
6.2 Lubrication overview 1. Rear axle bearing alcohol. If the friction between the drive belt and the pulley is not sufficient after you clean with alcohol, 2. Link rod replace the drive belt. 3. Articulation bearing 4. Front axle bearing CAUTION: Do not use gasoline or other 5.
6.7 To lubricate the parking brake cable b) Lubricate the cable with thin engine oil until the oil starts to release from the bottom. Replace the 1. Remove the 4 screws and remove the frame plate. cable if the oil does not release from the bottom. 2.
6.9 To lubricate the seat slides 6.12 To lubricate the joint bearing 1. Tilt the seat forward. 1. Lubricate the joint bearing of the articulation with a grease gun until grease comes out. 2. Lubricate the seat slides with engine oil. 6.10 To lubricate the hydrostatic transmission cable 6.13 To lubricate the link rod...
7 Servicing tools 7.1 Servicing tools • Do not point the laser beam at explosive gases. Note: Special tools for engine and transmission can be 7.2.2 To measure rpm with tachometer found in the related workshop manual. Attach more than one piece of tape on the surface to get the accurate result when measuring at low speed.
• Do not cause mechanical chock to the tachometer. tension of the screw in the frame decreases. The screw will then come loose during operation. • Remove the batteries if the tachometer is not used for long periods. 7.3 Screw fasteners ®...
8 Function overview 8.1 Serial numbers on the product The product serial number is on the printed type plate (A) above the right footrest plate. The type plate gives the designation, the type number from the manufacturer and the serial number (s/n) of the product. The engine serial number (B) is on the right side of the engine.
8.4 Hydrostatic transmission Bypass valve of the front transmission. The product has hydrostatic transmission. The hydraulic pump and the transmissions are 3 different units. 1. Loosen the locknut (A) ¼ - ½ turn. 2. Turn the bypass valve (B) 2 turns counterclockwise. 3.
Pull up the PTO button to operate a PTO clutch that enables the blades to rotate. The blades stop turning when you push down the PTO button. The cutting height lever is attached to the shaft with a joint and a spring. The cutting height lever can be put in 6 operation positions and 1 service position.
9 Repair instructions 9.1 Chassis 126.96.36.199 To remove the front cover 1. Release the clip on the front cover with the tool 9.1.1 To remove the covers attached to the ignition key. 188.8.131.52 To remove the engine cover To disassemble 1.
184.108.40.206 To remove the right footrest plate 3. Remove the 4 bolts from the adjustable seat bracket. 1. Turn and remove the knob on the rearward drive pedal (A). 2. Remove the 2 screws (B and C) and remove the footrest plate.
220.127.116.11 To replace the parking brake cable 8. Pull back the rubber protection until the parking brake cable can go through the bracket opening. To remove 1. Remove the frame tunnel cover. Refer to the covers on page 23 . 2.
5. Tighten the nuts moderately to prevent damage to 5. Remove the snap ring and washer in the center of the threads. the wheel hub. 6. Make sure that the parking brake operates correctly. 9.1.4 Wheel hub 18.104.22.168 To disassemble and assemble the wheel hub 1.
7. Remove the snap ring. 8. Remove the wheel hub. 9. Examine the key in the shaft. Replace the key if it is damaged. 10. Assemble in opposite sequence. 662 - 001 - 23.10.2018 Repair instructions - 27...
9.1.5 Rear axle 22.214.171.124 Articulated steering overview 1. Control stay 3. Remove the pulley guard. 2. Joint bearing in articulated steering 3. Steering cylinder 4. Link stay 126.96.36.199 To disassemble the link stay 1. Apply the parking brake. To remove 2.
4. Put a jack assembly below the product to make it 10. Disassemble the rear end of the link stay. stable when the link stay is removed. The illustration shows where to put the supports. To disassemble and 11. Disassemble the seat. Refer to 5.
16. Remove the 2 screws that hold the bracket for the 188.8.131.52 To disassemble the joint bearing in the pump belt pulley. articulated steering 1. Put a jack assembly below the product. The illustration shows where to put the supports. 2.
8. Remove the protective cover (A) above the steering 16. Remove the locknut (D), screw (C), washer (E) and joint. sleeve (B) that attach the rear link stay. 17. Lift the rear edge of the rear axle with a jack assembly to decrease the load on the link stay.
184.108.40.206 To assemble the joint bearing in the 9. Lubricate the link stay through the grease nipples. articulated steering 10. Assemble the steering cylinder (C) to the rear 1. Lubricate the bearing seat and pin with grease that bracket. prevents corrosion. 2.
9.2 Propulsion system 6. Remove the fuel hose from the fuel filter. 9.2.1 To remove and install the engine To remove the 1. Remove the engine cover. Refer to covers on page 23 Risk of 2. Disconnect and remove the battery. Refer to sparks on page 4 .
9. Remove the 2 clamps on the exhaust pipes below 11. Remove the 3 screws from the brackets of the the muffler. hydraulic oil cooler and put the hydraulic oil cooler to the side. 10. Remove the exhaust pipes from the engine. 12.
13. Disconnect the PTO clutch. 18. Remove the 4 engine fixtures. 14. Remove the torque stop for the PTO clutch. 19. Use the lift plates to lift the engine. Make sure not to do damage to the PTO clutch when you lift the engine.
4. Remove the belt pulley (B) and the PTO clutch (A). 9.2.4 To replace the engine oil and the oil filter If the engine is cold, start the engine for 1–2 minutes 9.2.3 To do a check of the engine oil level before you drain the engine oil.
Technical data on page 10. Fill with new oil as given in 7. Remove the inner air filter behind the air filter 84 . cartridge. 11. Start the engine and let it idle for 3 minutes. 12. Stop the engine and make sure that the oil filter does not leak.
9.3 Electrical system touches the spark plug seat. 8. Tighten the spark plug with the spark plug wrench until the washer is compressed. 9.3.1 Electrical system overview, P524 EFI 1. Main fuse, 20 A 9.3.2 To replace the circuit board 2. Battery CAUTION: To prevent damage to the new 3.
3. Disconnect all connections from the circuit board. 3. Remove the plastic nut. Use pliers to push in the plastic catches that hold the 4. Push the warning lamp through the control panel. connections. 9.3.4 To replace the battery 4. Remove the screw that holds the circuit board bracket.
b) To replace the fuse for the power outlet, remove 3. Disconnect the cables from the broken lamp. the side cover of the control panel. The fuses for the power outlet is below the control panel. 2. Pull the fuse from the holder. 4.
9.3.7 To replace the ignition switch 3. Compress the clips on the hour meter and push out the hour meter. 1. Remove the side cover of the control panel. Refer to To remove the covers on page 23 . 2. Disconnect the ignition switch connection from the circuit board.
4. Compress the clips on the PTO button and push the 4. Loosen the screw that holds the circuit board and PTO button up through the panel. move the circuit board to the side. 5. Remove the 2 screws on the throttle control bracket and pull out the throttle control.
3. Remove the 12V socket nut below the control panel. 4. Push the 12V socket up through the control panel. 5. Assemble in opposite sequence. 9.4 Fuel system 9.4.1 Fuel system overview 662 - 001 - 23.10.2018 Repair instructions - 43...
9.4.2 To replace the fuel filter 4. Remove the rear screw from the fuel tank support. 1. Remove the engine cover to get access to the fuel filter. 5. Lift the fuel tank. 2. Compress the fuel tank hose to prevent leakage. 3.
removed from the product. If not, the fault can not be connecting. Make sure the protection is clean before found and there will be contaminations in the test using it. equipment. It is also possible that the sent component is 9.5.4 Hydraulic couplings, pipes and hoses not the fault and is thus sent back without repair.
9.5.5 Hydraulic overview 1a: Hydraulic tank – pump 5b: Valve block – lift cylinder 1b: Hydraulic tank – pump 5c: Valve block – power steering 1c: Hydraulic tank – hydraulic oil cooler 6a: Power steering – steering cylinder 2a: Filter – valve block 6b: Power steering –...
3. Remove the oil cap and examine the hydraulic oil 4. Put a container below the oil drain plug. level. Correct level is 40–60 mm from the top of the strainer. 4. If the oil level is too low, fill with the type of oil given 5.
5. Disconnect the hydraulic hoses and put protective 4. Heat up the thermostat sensor with a hot air gun. caps in all hydraulic openings. 6. Remove the 4 screws that hold the hydraulic oil cooler. 5. Replace the thermostat if the hydraulic oil cooler does not start when the thermostat sensor is at the temperature of 70ºC.
Technical data on 6. Remove the thermostat. 7. Fill the hydraulic tank. Refer to page 84 . 8. Operate the equipment lift and the power steering. 9. Do a check that there are no leaks around the hydraulic oil filter. 10.
9.5.13 To replace the hydraulic oil tank 10. Remove the 2 screws from the cable retainers and the 4 screws in the frame section below the operator 1. Remove the side cover of the control panel and the seat. To remove the covers right footrest plate.
16. Remove the 6 nuts of the side panel and lift the side 6. Disassemble the hydraulic couplings at the 2 ends of panel. the lift cylinder. 17. Remove the hydraulic oil tank. 18. Assemble in opposite sequence. 9.5.14 To disassemble the lift cylinder 7.
3. Remove the clamp on the front end of the 6. Remove the clamp on the rear end of the hydrostatic hydrostatic transmission cable. transmission cable. 4. Remove the front ball joint from the hydrostatic 7. Remove the hydrostatic transmission cable. transmission cable.
3. Turn the vertical arm clockwise to the maximum 9.5.16 Hydraulic pump position. 220.127.116.11 To disassemble the hydraulic pump To disassemble 1. Remove the operator seat. Refer to and assemble the seat on page 24 . To replace the fuel 2.
8. Loosen the locknut (B) on the adjustment screw. 14. Remove the protection cover from the right side of the product. 9. Loosen the adjustment screw (C) for the pump belt fully. 10. Disassemble the belt pulley for the pump belt on the left side of the product.
21. Put a jack assembly below the product. The 3. Disconnect the electrical connector of the PTO illustration shows where to put the supports. clutch. 22. Tilt the hydraulic pump and remove it from below. Note: If you replace the hydraulic pump, move the hydraulic adapters to the new hydraulic pump.
9.6 Transmission maintenance 7. Remove the protection cover below the engine pulley. 9.6.1 To replace the oil in the hydrostatic transmissions WARNING: Transmission oil is dangerous. If you spill transmission oil on your skin, clean with soap and water. WARNING: Used oil and filters are dangerous to the environment.
b) Front transmission. 9.6.3 To disassemble and assemble the rear transmission 1. Put a jack assembly below the product. The illustration shows where to put the supports. 6. Attach the drain plug when the oil is drained. 7. Fill the transmission with new oil. 2.
8. Loosen the rear end of the control stay (A) from the 11. Remove the stop screws. linkage (B). Remove the nut (E), screw (C) and bushing (D). 12. Remove the bearing unit. 13. Remove the joint screw. 9. Loosen the front end of the control stay (A). Remove the nut (G), screw (F) and washer (H).
15. Remove the transmission out of the frame. 9.6.4 To disassemble and assemble the speed adjustments of the rear transmission 1. Remove the screw (A), nut (D), spring (E) and washer (F) from the device for the slewing speed adjustment. 2.
5. Remove the hydraulic hoses from the front 8. Loosen the screws that hold the bearing units and transmission. Put on protective plugs. Although the remove the bearing units. front axle is drained, a small quantity of oil can leak out.
6. Connect the hydraulic pipe and the hydraulic hoses 8. Make sure that the joint bearing does not touch the to the transmission. thrust washers. 7. Attach the parking brake cable. 8. Put grease with corrosion protection on the axles. To disassemble and 9.
18.104.22.168 To do a check of the wheel speed after a 6. Divide the VRMU rpm with the FMU rpm. The result transmission replacement must be 1.35-1.38. If you do not get this result, To adjust the wheel adjust the wheel speed. Refer to 1.
5. Attach the front end of the control stay (A) to the 5. Release the clip on the front cover with the tool chassis. Make sure that the washer (B) is between attached to the ignition key, and remove the cover. the control stay and the chassis.
10. Hold the front edge of the cutting deck with 2 hands 3. Lower the cutting deck and push it in until it stops. and pull it out. 4. Put the drive belt around the drive wheel for the cutting deck. 5.
7. Turn the screws right or left until the ground 9.7.6 To adjust the parallelism of the cutting pressure is between 12 and 15 kg (26.5-33 lb). deck Make sure that the springs have equal tension on 1. Remove the front cover. the right and left sides.
3. Adjust the cable until the distance between the 4. Remove the pulley and the cable retainer. ground and the front of the cutting deck cover is 25 Note: If the cutting height in one of the cutting height 5. Loosen the locknuts on the cable sheath. positions is adjusted, the other cutting heights are 6.
10. Pull back the rubber protection until the cable can go 4. Put the cutting deck in mow position. through the bracket opening. 5. Attach the BioClip plug in the opposite sequence. 9.7.10 To replace the blades 1. Put the cutting deck in servicing position. 2.
5. Loosen the 4 screws that hold the blade bearing and 8. Make a mark on one end of the shaft. Push out the remove the bearing assembly from the cutting deck. shaft with a puller. Tap out the bearing and remove the spacer.
7. Attach the blades. 6. Remove the automatic belt tensioner stay. 9.8 Equipment frame 9.8.1 To disassemble the equipment frame To remove the 1. Remove the cutting deck. Refer to cutting deck on page 63 . 2. Push down the equipment frame. Lift the equipment frame lock to vertical position.
9.9 Steering 14. Pull the equipment frame forward. 9.9.1 To disassemble the steering cylinder 1. Start the engine and turn the steering wheel fully to the right. 2. Stop the engine. 3. Disconnect the 2 hydraulic hoses from the steering cylinder.
9.9.3 To replace the joint bearing of the steering 9.9.5 To replace the power steering servo cylinder 1. Remove the 2 screws and remove the steering column cover. 1. Remove the snap ring (C). 2. Disconnect the headlight connection (A). 2.
7. Remove the cover (B) above the steering servo 6. Remove the 4 screws and remove the belt guard. housing. 8. Remove the 4 screws that hold the power steering servo (A). 9. Put a container below the steering servo to collect the spill oil.
10. Remove the belt guard in front of the rear 16. Attach a new drive belt in the opposite sequence. transmission. Make sure that the drive belt for the cutting deck is attached as the illustration shows. Make sure that it is put correctly in the adjuster pulley, identified by an arrow in the illustration.
5. Remove the 2 bolts on the cutting deck frame. 6. Remove the screws on the cutting deck cover. Lift the cutting deck frame and remove the cutting deck cover. 7. Disconnect the tension spring for the V-belt and remove the V-belt. 8.
10 Troubleshooting 10.1 To measure voltage On connection, the value must be low (<1 Ohm). On broken connection, the value must be high (>500 Ohm). Use a multimeter in voltage mode. 1. Hold the red measuring probe against the point 10.3 To do a check of cables and where you measure the voltage.
Fault Possible Steps Troubleshooting Action cause Measure the resistance of the relay. It must be 3.7-4.2 Ω. Replace the starter re- lay. Make sure the relay clicks when the key is turned to "Start". Replace the starter re- lay. Parking Do a check of the parking brake microswitch.
Fault Possible Steps Troubleshooting Action cause Defective Do a check of the parking brake microswitch. Replace the parking micro- brake mi- switch. croswitch. The product Defective Do a check of the parking brake microswitch. Replace the does not stop parking micro- when the oper- brake mi-...
Fault Possible Steps Troubleshooting Action cause 12V socket Battery Make sure the switch for the 12V socket is on. Enable the does not work voltage 12V socket Do a check of that the key switch is in the “ON” position. Turn the key switch to “ON”.
13 Technical data 13.1 Technical data P524 EFI Product dimensions on page 86 Dimensions, refer also to Length without cutting deck, mm 2058 Weight without cutting deck, with empty tanks, kg Tire dimensions 18×8.50×8 Tire pressure, rear – front, kPa / bar / PSI 100 / 1.0 / 14.5...
Dimensions that include the cutting deck are measured with the cutting deck Combi 122 attached. 1145 mm 1000 mm 30° 977 mm 2514 mm 137 mm 1174 mm 1275 mm 2675 mm 370 mm 765 mm 1924 mm 662 - 001 - 23.10.2018 Technical data - 87...