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EGO LMX5300SP Repair Manual Line

Blade motor replacement
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REPAIR GUIDELINE
PART 1: Blade Motor Replacement_LMX5300SP Lawn Mower

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Summary of Contents for EGO LMX5300SP

  • Page 1 REPAIR GUIDELINE PART 1: Blade Motor Replacement_LMX5300SP Lawn Mower...
  • Page 2 Blade Motor Replacement LMX5300SP Lawn Mower Unfold the handle to the storage position and turn the mower upside down. Loosen the screw with a torque wrench with 14mm socket (50-60 Nm). Remove the washer, the blade and the fan. Metal rod...
  • Page 3 Blade Motor Replacement LMX5300SP Lawn Mower Loosen the 10 screws with Torx 20 screwdriver(0.8-1Nm) and the 4 screws with 14mm socket(5~6 Nm). Open the battery box cover and loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) on the service cover.
  • Page 4 Blade Motor Replacement LMX5300SP Lawn Mower Pull out and disconnect the cables to the LED light ASSY and the battery contact bases. Cables connected to the battery contact bases Cable connected to LED light ASSY...
  • Page 5 Blade Motor Replacement LMX5300SP Lawn Mower Loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) and remove the battery box from the deck. Battery Box...
  • Page 6 Blade Motor Replacement LMX5300SP Lawn Mower Disconnect the cable connected to the main PCBA and the blade motor. Remove the top cover ASSY from the deck. Top Cover Assembly Cable connected to the main PCBA and the blade motor...
  • Page 7 Blade Motor Replacement LMX5300SP Lawn Mower 10. Take out the blade motor with support from the deck. 11. Loosen the 3 screws with 14mm socket (4~5 Nm) to replace a new blade motor. Blade motor with support Notice: The 3 screws need to be replaced each time they are loosened.
  • Page 8 Blade Motor Replacement LMX5300SP Lawn Mower 12. Install the blade motor with support on the deck. 13. Install the top housing assembly on the deck, make sure the blade cable through the hole in top housing ASSY. 14. Install the battery box on the top cover ASSY and tighten the 8 screws.
  • Page 9 Blade Motor Replacement LMX5300SP Lawn Mower 15. Connect the cables to the LED light ASSY and the battery contact bases and the blade motor. Cables connected to the battery contact bases Cable connected to LED light ASSY...
  • Page 10 Blade Motor Replacement LMX5300SP Lawn Mower 16. Tighten the 8 screws to install the service cover. 17. Tighten the 10 screws with Torx 20 screwdriver(0.8-1Nm) and the 4 screws with 14mm socket(5~6 Nm). 18. Install the blade in opposite sequence.
  • Page 11 REPAIR GUIDELINE PART 2: PCBAs in Service Cover Replacement_LMX5300SP Lawn Mower...
  • Page 12 Table of Contents LMX5300SP Lawn Mower Contents Page Service Cover Removal Main PCBA Replacement BMS PCBA Replacement Self-propelled PCBA Replacement 10-11 Power Control PCBA Replacement 12-13 Service Cover Installation 14-15...
  • Page 13 1. Service Cover Removal LMX5300SP Lawn Mower Unfold the handle to the storage position. Open the battery box cover and loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) on the service cover. Battery Box Cover Service Cover...
  • Page 14 1. Service Cover Removal LMX5300SP Lawn Mower Loosen the 4 screws with M6 hex screwdriver(2.2~2.4 Nm) to remove the support plate. Support Plate Support Plate...
  • Page 15 1. Service Cover Removal LMX5300SP Lawn Mower The following parts can be replaced only when the service cover and support plate are removed from the mower. Main PCBA Power Control PCBA Hall Assembly BMS PCBA Self-propelled PCBA...
  • Page 16 2. Main PCBA Replacement LMX5300SP Lawn Mower Take out the main PCBA from the base and disconnect all cables on the main PCBA. Connected to LED electric assembly Connected to Handle assembly Connected to hall assembly Connected to the blade motor...
  • Page 17 2. Main PCBA Replacement LMX5300SP Lawn Mower Main PCBA Replace a new main PCBA and connect the cables on it. Put the terminals in the corresponding slots. Main PCBA...
  • Page 18 2. BMS PCBA Replacement LMX5300SP Lawn Mower Take out the BMS PCBA from the base and disconnect all cables on the BMS PCBA. Connected to Self-propelled PCBA Connected to Main PCBA Connected to battery contact base...
  • Page 19 2. BMS PCBA Replacement LMX5300SP Lawn Mower BMS PCBA Replace a new BMS PCBA and connect the cables on it. Put the terminals in the corresponding slots. BMS PCBA...
  • Page 20 3. Self-propelled PCBA Replacement LMX5300SP Lawn Mower Take out the self-propelled PCBA and the power control PCBA from the base and disconnect all cables on the self- propelled PCBA. Connected to Power Control PCBA Connected to BMS PCBA...
  • Page 21 3. Self-propelled PCBA Replacement LMX5300SP Lawn Mower Self-propelled PCBA Replace a new self-propelled PCBA and connect the cables on it. Put the terminals in the corresponding slots. Self-propelled PCBA...
  • Page 22 4. Power Control PCBA Replacement LMX5300SP Lawn Mower Take out the self-propelled PCBA and the power control PCBA from the base and disconnect all cables on the power control PCBA. Connected to Self-propelled PCBA Connected to Self-propelled Motor...
  • Page 23 4. Power Control PCBA Replacement LMX5300SP Lawn Mower Power Control PCBA Replace a new power control PCBA and connect the cables on it. Put the terminals in the corresponding slots. Power Control PCBA...
  • Page 24 5. Service Cover Installation LMX5300SP Lawn Mower Tighten the 4 screws to install the support plate. Support Plate...
  • Page 25 5. Service Cover Installation LMX5300SP Lawn Mower Tighten the 8 screws to install the service cover.
  • Page 26 REPAIR GUIDELINE PART 3: LED Light ASSY in Battery Box Replacement_LMX5300SP Lawn Mower...
  • Page 27 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Stand the product up as shown below to the storage position. Loosen 2 screws from the back of the deck with Torx 20 screwdriver (0.8~1.0 Nm).
  • Page 28 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Put down the product to the below storage position. Open the battery box cover and loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) on the service cover. Battery Box Cover...
  • Page 29 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Pull out and disconnect the cables to the LED light ASSY and the battery contact bases. Cables connected to the battery contact bases Cable connected to LED light ASSY...
  • Page 30 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) and remove the battery box from the deck. Battery Box...
  • Page 31 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Loosen the 2 screws with Torx 20 screwdriver (0.8~1.0 Nm) to take apart the battery cover. Loosen the 4 screws to remove the LED light ASSY. LED Light ASSY...
  • Page 32 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower Replace a new LED light ASSY and fix it by 4 screws. 10. Mount the battery cover on the battery box.
  • Page 33 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower 11. Install the battery box in the deck. 12. Tighten the 8 screws to fix the battery box and connect the cables to the LED light ASSY and the battery contact...
  • Page 34 LED Light ASSY in Battery Box Replacement LMX5300SP Lawn Mower 13. Install the service cover by tightening 8 screws. 14. Tighten the 2 screws on the back side of deck.
  • Page 35 REPAIR GUIDELINE PART 4: Battery Box Replacement_LMX5300SP Lawn Mower...
  • Page 36 Table of Contents LMX5300SP Lawn Mower Contents Page Battery Cover Replacement Battery Contact Base Replacement 2-12...
  • Page 37 1. Battery Cover Replacement LMX5300SP Lawn Mower Open the battery box cover and loosen the 2 screws with Torx 20 screwdriver (0.8~1.0 Nm) to remove the cover. Install in the opposite sequence. Battery Box Cover...
  • Page 38 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Unfold the handle to the storage position. Open the battery box cover and loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) on the service cover. Battery Box Cover Service Cover...
  • Page 39 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Pull out and disconnect the cables to the LED light ASSY and the battery contact bases. Cables connected to the battery contact bases Cable connected to LED light ASSY...
  • Page 40 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Loosen the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm) and remove the battery box from the deck. Battery Box...
  • Page 41 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Replace the broken battery contact base wiring harness as following steps. Short base wiring harness Long base wiring harness...
  • Page 42 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Loosen the 4 screws to remove the following parts. Replace the broken part. Base Wiring Harness Release Button Support Base Sliding Block 2# Spring 1# Spring 2# Sliding Block 1# Supporting Structure...
  • Page 43 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Install the parts as following steps. Install the spring 1# on the Sliding Block 1#. Assemble the following parts. Install the release button in the battery box. Install them in the slot.
  • Page 44 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Make sure the ribs are put into the corresponding slots. Install the spring 2# on the slide block 2#. Install the supporting structure and tighten the 2 screws.
  • Page 45 2. Battery Contact Base Replacement LMX5300SP Lawn Mower Install the battery box on the deck and tighten the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm). 10. Connect the cables to the LED light ASSY and the battery contact bases and put them in the corresponding slots.
  • Page 46 2. Battery Contact Base Replacement LMX5300SP Lawn Mower 11. Install the service cover by tightening the 8 screws with Torx 20 screwdriver (0.8~1.0 Nm).
  • Page 47 REPAIR GUIDELINE PART 5: Wheels Replacement_LMX5300SP Lawn Mower...
  • Page 48 Table of Contents LMX5300SP Lawn Mower Contents Page Front Wheel Replacement Rear Wheel Replacement...
  • Page 49 1. Front Wheel Replacement LMX5300SP Lawn Mower Loosen the screw with 13mm socket to remove front wheel. Install in the opposite sequence.
  • Page 50 2. Rear Wheel Replacement LMX5300SP Lawn Mower Loosen the screw with 13mm socket to remove rear wheel. Loosen the 3 screws with Torx20 screwdriver to remove the gear and the felt ring. Install in the opposite sequence. Notice: The gear with “OUT” side needs to face outside.
  • Page 51 REPAIR GUIDELINE PART 6: Parts in Handle ASSY Replacement_LMX5300SP Lawn Mower...
  • Page 52 Table of Contents LMX5300SP Lawn Mower Contents Page Bluetooth Electric Assembly Replacement Top Switch Box Cover Assembly Replacement Blade Rotation Trigger Replacement Self-propel Trigger Replacement Trigger Control Parts Replacement 11-26 Internal Wire Assembly Replacement 27-30...
  • Page 53 Handle LMX5300SP Lawn Mower After each replacement of the below three parts, the mower’s serial number should be written in again by EGO Dongle. Otherwise, the serial number cannot be displayed on the EGO Connect APP after the connection between the mower and the app.
  • Page 54 Bluetooth Electric Assembly Replacement LMX5300SP Lawn Mower Unfold the handle to the storage position. Loosen the 8 screws with Torx 20 screwdriver to remove the bottom switch box cover. Bottom Switch Box Cover...
  • Page 55 Bluetooth Electric Assembly Replacement LMX5300SP Lawn Mower Use a heat gun to bake the terminal connected to the switch ASSY and the Bluetooth electric ASSY to remove the glue not exceed 3 minutes while the temperature not exceed 150℃. Disconnect the terminal and replace a new Bluetooth electric ASSY.
  • Page 56 Top Switch Box Cover Assembly Replacement LMX5300SP Lawn Mower Open the bottom switch box cover. Disconnect the cables to the wiring harness and the switch box. Connected to the wiring harness Connected to the switch box assembly...
  • Page 57 Top Switch Box Cover Assembly Replacement LMX5300SP Lawn Mower Loosen the 2 screws with Torx20 screwdriver. Remove the top switch box cover ASSY and replace a new one. Notice: Make sure the cap and the spring have not fallen out of the hole in switch box.
  • Page 58 Top Switch Box Cover Assembly Replacement LMX5300SP Lawn Mower Install the new top switch box cover ASSY on the beam by tightening 2 screws. Connect the 2 cables to the wiring harness and the switch box. Install the bottom box cover.
  • Page 59 3. Blade Rotation Trigger Replacement LMX5300SP Lawn Mower Loosen the 2 screws with M4 Hex socket screw to remove the blade rotation trigger. Replace a new one and install it. Blade Rotation Trigger...
  • Page 60 4. Self-propel Trigger Replacement LMX5300SP Lawn Mower Loosen the 2 screws with M4 Hex socket screw to remove the self-propel trigger. Replace a new one and install it. Notice: The side with the "F" logo on the trigger faces forward in operation position.
  • Page 61 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Open the bottom switch box cover. Disconnect the cables to the wiring harness and the switch box.
  • Page 62 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Loosen the screws with Torx20 to remove the left and the right decorative covers. Left Decorative Cover Right Decorative Cover...
  • Page 63 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Loosen the screws with 10mm socket(7.0~8.0 Nm) to remove the handle beam. Take out the cable through the hole before removing the handle beam.
  • Page 64 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Remove the blade rotation trigger and the self-propel trigger.
  • Page 65 5 Trigger Control Parts Replacement LMX5300SP Lawn Mower Remove the following parts from the beam. Knob ASSY Fixing Block ASSY 2851120001 Limit Block 2850599001 Fixing Block ASSY Bottom Board 3134905001 2851124001 3709750001 Knob ASSY 2851119001 Fixing Block ASSY 2850600001...
  • Page 66 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Loosen the 2 screws with Torx20 screwdriver to apart the switch box ASSY, the beam and the green knob ASSY. Replace the broken part as mentioned. Main Beam 3709145001 Top Switch Box Cover ASSY...
  • Page 67 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower Follow the next steps to install the handle ASSY. 10. Install the green knob ASSY in the main beam. 11. Install the switch box ASSY in the main beam, make sure the ribs on the switch box ASSY are aligned with the holes on the main beam.
  • Page 68 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 12. Install the bottom board on the green knob ASSY with grease. 13. Make sure the two rubbers are installed in the fix blocking ASSY. Bottom Board 3709750001 Rubber 3135909001...
  • Page 69 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 14. Install the fix blocking ASSY with 2 rubbers on the main beam. Make sure the end with the scale is facing in. Fixing Block ASSY 2850600001...
  • Page 70 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 15. Install the fix blocking ASSY on the main beam. Fixing Block ASSY 2850599001...
  • Page 71 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 16. Preassemble the following parts together. Notice: Make sure not put the two fixing blocks on backwards. Knob ASSY Knob ASSY Fixing Block ASSY 2851119001 2851120001 2851124001...
  • Page 72 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 17. Install the pre-assembly in the main beam. Notice: Make sure the end with the long harness is facing inward.
  • Page 73 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 18. Install the limit block on the main beam. Limit Block 3134905001...
  • Page 74 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 19. Install the handle ASSY on the handle frame. 20. Insert the wiring harness terminal into the hole of the main beam.
  • Page 75 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 21. Install the left and right decorative covers.
  • Page 76 5. Trigger Control Parts Replacement LMX5300SP Lawn Mower 22. Connect the cables to the switch box ASSY and the internal wiring harness. 23. Install the bottom cover of the switch box ASSY.
  • Page 77 6. Internal Wiring Harness Replacement LMX5300SP Lawn Mower Open the service cover. Disconnect the cable to the internal wiring harness. Open the bottom switch box ASSY cover. Disconnect the cable to the internal wiring harness in the switch box.
  • Page 78 6. Internal Wiring Harness Replacement LMX5300SP Lawn Mower Open the right decorative cover. Take out the internal wiring harness through the hole of the main beam. Insert the terminal of the wiring harness into the hole of the handle frame.
  • Page 79 6. Internal Wiring Harness Replacement LMX5300SP Lawn Mower Open the block cover on the right side of the handle tube. Gently pull out the internal wiring harness from the handle tube.
  • Page 80 6. Internal Wiring Harness Replacement LMX5300SP Lawn Mower 10. Replace a new internal wiring harness. 11. Install in the opposite sequence. The End...
  • Page 81 REPAIR GUIDELINE PART 7: Self-propelled Unit Replacement_LMX5300SP Lawn Mower...
  • Page 82 Table of Contents LMX5300SP Lawn Mower Contents Page Self-propelled Unit Replacement Self-propelled Motor Replacement 9-10 Other Parts of self-propelled unit replacement 11-18...
  • Page 83 Self-propelled Unit Replacement LMX5300SP Lawn Mower Fold the handle to the storage position. (Figure.1) Adjust the rear cutting height to the “7” position. (Figure.2)
  • Page 84 Self-propelled Unit Replacement LMX5300SP Lawn Mower Remove the service cover with Torx20 screwdriver.(Figure.3) Disconnect the cable to the self-propelled motor. (Figure.4~5) Pull the tension spring with a reliable tie off the spring seat. (Figure.6~7) Disconnect the cable to Self-propelled Motor...
  • Page 85 Self-propelled Unit Replacement LMX5300SP Lawn Mower Turn the mower upside down. Remove the trail shield by loosing the 3 screws. (Figure.8~10) Remove the rear wheels refer to “Part 5_Wheels Replacement” section. (Figure.11) Trail Shield...
  • Page 86 Self-propelled Unit Replacement LMX5300SP Lawn Mower Loosen the 2 screws which fix the self-propelled motor with Torx20 screwdriver.(Figure.12~13) 10. Loosen the 4 screws with Torx20 screwdriver to remove the self-propelled unit from the deck. (Figure.14~15) Self-propelled Unit...
  • Page 87 Self-propelled Unit Replacement LMX5300SP Lawn Mower 11. Replace a new self-propelled unit and hook the spring to the hole on the rear axle.(Figure.16) 12. Mount the self-propelled unit on the deck by tightening 4 screws .(Figure.17) 13. Tighten the 2 screws to fix the self-propelled motor. (Figure.18~19) Make sure the hole in the harness are pressed under the screw.
  • Page 88 Self-propelled Unit Replacement LMX5300SP Lawn Mower 14. Install the rear wheels and the trail shield on the rear axle.(Figure.20~21) 15. Hook the other end of the spring onto the spring seat. (Figure.22) 16. Connect the cable to the self-propelled unit and install the service cover. (Figure.23~25)
  • Page 89 Self-propelled Motor Replacement LMX5300SP Lawn Mower Remove the self-propelled unit from the deck refer to “Self-propelled Unit Replacement” section. Loosen the 2 screw (M4 Hex )to remove the protective covers. (Figure.2~3) Loosen the 2 screws (Torx20) to remove the support. (Figure.4) Loosen the 6 screws (Torx20) on the gear case.
  • Page 90 Self-propelled Motor Replacement LMX5300SP Lawn Mower Loosen the screw on the inside of gear case. (Figure.7) Remove the self-propelled motor and replace a new one. (Figure.8~9) Install it in opposite sequence. Self-propelled Motor...
  • Page 91 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Remove the self-propelled unit from the deck refer to “Self-propelled Unit Replacement” section. Remove the two protective covers.(Figure.1~2) Self-propelled Unit Protective Cover...
  • Page 92 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Remove the parts on two side of the rear axle by following next steps. Use a one-pronged screwdriver to remove the “E” rings. (Figure.3~4) Remove the clutch gears, the pins, the dust seals. (Figure.5)
  • Page 93 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Use a Circlip Plier to remove the circlips. (Figure.6~7) Remove the motor with shaft from the rear axle. (Figure.8~9) Circlips...
  • Page 94 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Open the gear case and remove the other parts from the shaft. Big Gear Rear Cover Sealing Gasket Height Adjusting Assembly...
  • Page 95 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Follow the next steps to install the self-propelled unit parts. Rear Cover Sealing Gasket Bellow Support Big Gear...
  • Page 96 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Locating sleeves Height Adjusting Assembly...
  • Page 97 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower Clutch gear Dust seal E Ring Circlip Clutch gear Circlip Dust seal E Ring...
  • Page 98 Other Parts of self-propelled unit replacement LMX5300SP Lawn Mower 10. Install the decorative covers. 11. Install the self-propelled unit on the deck refer to “Self-propelled Unit Replacement” section. The End...
  • Page 99 REPAIR GUIDELINE PART 8: Front Axel Replacement_LMX5300SP Lawn Mower...
  • Page 100 Front Axel Replacement LMX5300SP Lawn Mower Fold the handle to the storage position and turn the mower upside down. Adjust the front wheel height to “8” position. Remove the front wheels refer to “Wheels Replacement” section.
  • Page 101 Front Axel Replacement LMX5300SP Lawn Mower Remove the spring from the hook of the front axle and then remove another side of the spring from the deck. Loosen the 4 screws to remove the front axle. Install it in opposite sequence.