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Workshop manual

LC 551 iV

English

1292 - 001 -

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Содержание LC 551 iV

Страница 1: ...Workshop manual LC 551 iV English 1292 001 ...

Страница 2: ...15 5 2 Motor 15 5 3 Battery 15 6 Repair instructions 6 1 Product overview for repair instructions 17 6 2 Power unit overview 18 6 3 Battery box overview 18 6 4 To clean and examine the product parts 19 6 5 Blade 20 6 6 Wheels 20 6 7 Front axle 21 6 8 Rear axle and transmission 21 6 9 Motor 23 6 10 Control panel 31 6 11 Start inhibitor 31 7 Troubleshooting 7 1 Troubleshooting schedule 33 7 2 Troubl...

Страница 3: ...nderstand the manual 1 3 Revisions Changes to the product can cause changes to the maintenance work and spare parts Separate information is sent out for each change Read the manual together with all received information about changes to maintenance and spare parts for the product 1 4 Safety WARNING All personnel that repair or do servicing on the product must read and understand the safety instruc...

Страница 4: ...the blood circulation and kill you Use eye protection when you do work on springs that have tension Use only a Husqvarna Battery Series type of battery with this product Obey the safety instructions that are given for the battery and battery charger For more information refer to the operator s manual for the battery and the battery charger Warning symbols can be found on the product and in this ma...

Страница 5: ...ON OFF button loos en start inhibitor push motor brake handle down Release motor brake handle to stop Slow Fast Note Other symbols decals on the product refer to certification requirements for some markets 1292 001 Safety 5 ...

Страница 6: ...a check of the motor brake handle X Make sure that the bail arm functions correctly X Make sure that the ON OFF switch operates correctly X Clean and examine grass catcher X Clean the filters and the air outlet X Clean under the drive cover X Accessory Examine the battery for damage X Do a check of the battery charge X Make sure that the release button on the battery operates cor rectly and that t...

Страница 7: ... handle in the direction of the handlebar 3 2 3 To use the drive on the wheels Pull the drive bail in the direction of the handlebar to start the drive Push and on the control panel to set the drive speed in 4 steps refer to Control panel overview on page 7 Release the drive bail to disengage the drive for example when you go near an obstacle 3 2 4 To use the SavE function The product has a SavE f...

Страница 8: ... 3 minutes 1 Release the motor brake handle to stop the motor 2 Push the ON OFF button on the control panel All LED lights and symbols on the display go out 3 Remove the safety key from the safety lock and put it in the safety key holder 8 Prepare and do servicing on the product 1292 001 ...

Страница 9: ...4 Servicing data 4 1 LC 551 iV 12 mm 24 0 Nm 14 mm 65 75 Nm 13 mm 23 5 24 5 Nm 13 mm 7 0 9 0 Nm 8 mm 3 0 4 0 Nm 8 mm 3 0 4 0 Nm 8 mm 3 0 4 0 Nm 8 mm 1 4 2 5 Nm 1292 001 Servicing data 9 ...

Страница 10: ...4 2 Rear axle and front axle 8 mm 5 5 6 5 Nm 8 mm 3 0 3 5 Nm 13 mm 18 22 Nm 8 mm 3 0 4 0 Nm 3 5 Nm T25 1 5 2 5 Nm T20 8 mm 3 0 4 0 Nm 13 mm 20 Nm 10 Servicing data 1292 001 ...

Страница 11: ...4 3 Handle 0 7 1 2 Nm 1 2 1 7 Nm 0 7 1 2 Nm 1 2 1 7 Nm 0 7 1 2 Nm 13 mm 18 22 Nm XX mm 6 8 Nm 1292 001 Servicing data 11 ...

Страница 12: ...4 4 Covers 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 12 Servicing data 1292 001 ...

Страница 13: ...4 5 Power unit 1 2 1 4 Nm 2 0 3 0 Nm 1 2 1 4 Nm 2 0 3 0 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1 2 1 4 Nm 0 7 1 0 Nm 12 mm 8 0 15 0 Nm 1 2 1 4 Nm 1 2 1 4 Nm 1292 001 Servicing data 13 ...

Страница 14: ... handle Torx T20 Screw with torx head 588 59 85 01 T handle Torx T25 Screw with torx head 502 71 27 01 3 Snap ring pliers Snap rings N A 4 Screwdriver PH4 Screws N A 5 Spring pull tool Disassemble springs N A 6 Screwdriver flat Hubcaps N A 7 Diagnostic Tool Kit Troubleshooting 583 89 71 01 14 Servicing data 1292 001 ...

Страница 15: ...rning symbol on the battery is on when an error has occurred See LED lights Battery status All LEDs are lit Fully charged 75 100 LED 1 LED 2 LED 3 are lit The battery is 50 75 charged LED 1 LED 2 are lit The battery is 25 50 charged LED 1 is lit The battery is 0 25 charged LED 1 flashes The battery is empty Charge the battery 5 3 2 To charge the battery Charge the battery before the first use The ...

Страница 16: ...not the power cord 6 Remove the battery from the battery charger 5 3 3 Battery charging status A Husqvarna Li ion battery can be charged or used at all charging levels The battery is not damaged A fully charged battery will not decrease its charge when the battery is left in the charger LED display Charging status LED 1 flashes 0 25 LED 1 is lit LED 2 flashes 25 50 LED 1 LED 2 are lit LED 3 flashe...

Страница 17: ... Repair instructions 6 1 Product overview for repair instructions 5 7 3 4 6 1 2 1 Control panel 2 Start inhibitor 3 Front axle 4 Transmission 5 Blade 6 Motor 7 Rear wheel 1292 001 Repair instructions 17 ...

Страница 18: ...tions between the battery box and the motor 4 Motor Control box 5 Motor 6 Air conductor not in view 7 Battery control box 8 Baseplate 9 Air outlet 6 3 Battery box overview Note The illustration shows the battery box turned with the top down 18 Repair instructions 1292 001 ...

Страница 19: ...attery 5 Cable bracket for the right battery 6 Key switch 7 Right fan 6 4 To clean and examine the product parts Clean and examine all parts fully You find more instructions in the chapter for each part if special tools or procedures are necessary Replace damaged or defective parts Always use original spare parts 1292 001 Repair instructions 19 ...

Страница 20: ...od Attach the spring washer and tighten the bolt and washer with a torque 9 Pull the blade around by hand and make sure that it turns freely WARNING Use heavy duty gloves The blade is very sharp and cuts can easily occur 10 Start the product to do a test of the blade If the blade is not correctly attached there is vibration in the product or the cutting result is unsatisfactory 6 6 Wheels 6 6 1 To...

Страница 21: ...s and the brackets Remove the front wheel axle assembly Make a note of the location of the bushing on the axle rod 4 Remove the nut cap and the nut Remove the 2 ball bearings and the wheels on the sides of the front wheel axle 5 Assemble the front axle in the opposite sequence Use the correct torque Refer to Servicing tools on page 14 6 8 Rear axle and transmission 6 8 1 To remove and install the ...

Страница 22: ... of the product 4 Remove the snap ring the pinion the washer and the dust cover on the 2 sides of the product 5 Remove the transmission bracket screws 6 Remove the cotter pin from the link arm to disengage the height mechanism 22 Repair instructions 1292 001 ...

Страница 23: ...ar axle 9 Install the transmission in the opposite sequence Use the correct torque Refer to Servicing tools on page 14 6 9 Motor 6 9 1 To remove the power unit from the chassis 1 Remove the batteries from the power unit Remove the safety key if it is installed 2 Disconnect the cable from the control panel 1292 001 Repair instructions 23 ...

Страница 24: ...that it is stable 4 Disconnect the transmission cable 5 Remove the blade Refer to To remove and replace the blade on page 20 6 Remove the 4 bolts and remove the motor cover 7 Clean the motor and the motor cover 24 Repair instructions 1292 001 ...

Страница 25: ... 1 Remove the power unit from the chassis Refer to To remove the power unit from the chassis on page 23 2 Turn the power unit with its top down on a piece of cloth to prevent damages to the cover 3 Remove the 8 screws that keep the cover attached to the baseplate 4 Turn the power unit with its top up and open the battery hatch 5 Remove the 6 screws 1292 001 Repair instructions 25 ...

Страница 26: ...age 23 and To remove the cover from the power unit on page 25 2 Pull up the battery box cable and control panel cable and disconnect them 3 Loosen the screw and push the plastic plate to the side 4 Pull up the transmission cable and disconnect it 5 Loosen the screw and push the plastic plate to the side 26 Repair instructions 1292 001 ...

Страница 27: ... to To remove the power unit from the chassis on page 23 and To remove the cover from the power unit on page 25 2 Loosen the screw and push the plastic plate to the side A 3 Pull out the connections A between the battery box and the motor and disconnect them 4 Pull up the fan cables and disconnect them 5 Remove the screws and remove the battery control box 1292 001 Repair instructions 27 ...

Страница 28: ...Refer to To remove the power unit from the chassis on page 23 To remove the cover from the power unit on page 25 and To remove the battery box on page 28 2 Turn the battery box with the top down 3 Remove the 3 screws and remove the bracket A A 4 Remove the 7 screws Remove the key switch B If it is necessary replace the key switch B D C 5 Remove the brackets C and D and the cables that are attached...

Страница 29: ... from the power unit on page 25 To remove the battery control box on page 27 and To remove the battery box on page 28 2 Remove the 6 screws 3 Remove the 2 screws A and remove the cover B A C D B F E A D E C 4 Pull up the fans D and the air filters C 5 If it is necessary remove the brackets E and F 1292 001 Repair instructions 29 ...

Страница 30: ...onductor and pull up the air conductor 6 9 9 To remove the motor 1 Refer to To remove the power unit from the chassis on page 23 To remove the cover from the power unit on page 25 To remove the motor control box on page 26 To remove the battery control box on page 27 To remove the battery box on page 28 To remove the key switch on page 28 To remove the fans and the air filters on page 29 and To re...

Страница 31: ...el cable E from the circuit board F 5 Assemble the control panel in the opposite sequence Use the correct torque Refer to Servicing tools on page 14 6 11 Start inhibitor 6 11 1 To remove and install the start inhibitor 1 Remove the 4 screws and remove the cover on the left side of the start inhibitor Pull the cables out of the start inhibitor 2 Disconnect the cables 3 Remove the screw and remove t...

Страница 32: ...he right side of the start inhibitor 5 Remove the drive bail wire 6 Install the start inhibitor in the opposite sequence Use the correct torque Refer to Servicing tools on page 14 32 Repair instructions 1292 001 ...

Страница 33: ...e connection to the handle Connect the wires correctly or replace them if they are de fective 2 Do a check of the wires refer to the wiring diagram Replace defective wires The control panel is defec tive 1 Do a visual inspection Replace the control panel if it is defec tive The primary control unit is defective 1 No troubleshooting is possible Replace the control unit if it is defective The prod u...

Страница 34: ...l MOSFET is out of or der no troubleshooting possible Replace the control unit if it is defective The warning indicator shows the error code 8 Low voltage alarm 1 The battery is out of power Charge the battery The warning indicator shows the error code 9 Battery shutdown alarm Connection problem between the product and the battery 1 Do a check of the white wire between bat tery 1 and the power swi...

Страница 35: ...t of or der no troubleshooting is possible Replace the control unit if it is defective The warning indicator shows the error code 5 Cutting mo tor low speed alarm 1 Operate the product with less load on the blade Adjust the cutting height The warning indicator shows the error code 6 High cur rent alarm of the drive motor 1 Overload of the transmission Decrease the load of the drive motor The warni...

Страница 36: ...e sure that it operates when the cut ting motor is on Replace the cooling fan assembly The warning indicator shows the error code19 Battery packet in battery box 1 con nection active alarm 1 Connection problems between the product and the battery Do a check of the yellow wire between battery 1 and the primary control panel Replace the wires to the batteries or the primary control panel The warning...

Страница 37: ...re there is a click sound when the power bar is pulled Replace the switch box assembly The transmission is defec tive 1 Make sure that the voltage comes to the transmission The voltage from the trans mission must be equal to the battery volt age The safety key must be in position 1 the ON button must be pushed and the power bar must be pulled Measure the current on the wires to the transmission wh...

Страница 38: ...f you change certain components updates are required in CST 7 7 To do troubleshooting of the common service tool CST If there is no signal to the CST when it is connected to the product do the procedure that follows 1 Make sure that the connectors on the battery and on the product are clean and not damaged Replace the battery or control unit on the product if it is damaged 2 Make sure that the cab...

Страница 39: ...te Black Green Yellow Blue Brown Brown Blue Black Black Green Shut down Yellow Yellow Blue White Shut down Yellow Red Red Red Black Black Yellow Red Orange Gray Violet Yellow green Yellow Green Blue Black Black Yellow White Red Yellow Blue Brown Red Red Black Black Battery 1 Battery 2 Main control Board Safety key Control Panel Switch Board Fan Fan Cutting Motor Handle Bar 1292 001 Wiring diagram ...

Страница 40: ...2 Ah battery Bli200 20 Noise emissions 1 Sound power level measured dB A 97 Sound power level guaranteed LWA dB A 97 Sound levels 2 Sound pressure level at the operator s ear dB A 84 Vibration levels 3 Handle m s2 0 3 Cutting equipment Cutting height mm 20 75 mm Cutting width cm 51 Blade standard Collect blade 597466310 Blade accessory Mulch blade 597466410 Grass catcher capacity l 65 1 Noise emis...

Страница 41: ... ion 31 1 36 15 4 7 0 Approved chargers for the specified batteries BLi Input voltage V Frequency Hz Power W QC80 100 240 50 60 80 QC80F 12 0 80 QC330 100 240 50 60 330 QC500 100 240 50 60 500 9 2 Registered trademarks The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG inc and any use of such marks by Husqvarna is under license 1292 001 Technical data 41 ...

Страница 42: ...42 Technical data 1292 001 ...

Страница 43: ...1292 001 Technical data 43 ...

Страница 44: ...1141669 26 2020 01 20 ...

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