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EGO LB6700E Repair Manual

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REPAIR MANUAL
LB6700E
Version: A
Introduction date: 2024
1

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Summary of Contents for EGO LB6700E

  • Page 1 REPAIR MANUAL LB6700E Version: A Introduction date: 2024...
  • Page 2 CONTENTS About the tool Diagnostics Replacement...
  • Page 3 SECTION ABOUT THE TOOL Product features Wiring diagram Service Maintenance...

  • Page 4: Specifications

    SECTION A.00 PRODUCT FEATURES WARRANTY DURATION DOMESTIC * Extended warranty period applies only after KEY FEATURES registering product on egopowerplus.eu/register within 30 days of purchase. Otherwise standard warranty periods apply. SPECIFICATIONS • Standard domestic = 2 years • Standard professional = 1 year Maximum Air Volume 1138m³/h PROFESSIONAL...
  • Page 5 SECTION A.10 WIRING DIAGRAM LAYOUT...
  • Page 6 SECTION A.11 WIRING DIAGRAM COMPONENTS A. Battery connector B. Electric Motor C. Printed Circuit Board Assembly (PCBA) Power supply to motor Power supply to micro switch Power supply to main switch and speed control switch D. Main Switch Start/stop switches E.

  • Page 7: General Maintenance

    SECTION A.20 SERVICE MAINTENANCE GENERAL MAINTENANCE Avoid using solvents when cleaning plastic parts. Most plastics are susceptible to damage from various types of commercial solvents and may be damaged by their use. Use of a piece of clean cloth to remove dirt, dust, oil, grease, etc.
  • Page 8 SECTION DIAGNOSTICS Inspection Quick Test Measure the fuse in PCBA Measure the MOSFET in the PCBA Measure the Motor...

  • Page 9: Battery Led Status

    SECTION B.00 INSPECTION BATTERY LED STATUS Status Meaning Next actions Status Meaning Next actions Test: single press of battery power button Test: 5 second hold of power button Fully charged Battery condition ok Battery is reaching the end of 100% - 80% charged State of health at 60% service life.

  • Page 10: Quick Test

    SECTION B.10 QUICK TEST Symptom / Test Next steps Does not power on TEST: Insert a battery and press the throttle trigger 1. Perform diagnostic measurements in section [B.20, B.30, B.40] Does not start 2. Test the battery presence switch. 3.
  • Page 11 SECTION B.20 FUSE IN PCBA MEASURE THE FUSE IN PCBA 1. Set a multimeter in “resistance” measuring mode. 2. Contact two test leads on the terminals of the fuse. Push the test leads through the protective gel to reach the fuse terminals Fuse Less than Fuse is good...
  • Page 12 SECTION B.30 PCBA MOSFETS MEASURE THE NEGATIVE DIRECTION 1. Set the Multimeter function to “Diode measuring”. Diode measuring 2. Contact the red pen pin to the negative electric contact (the battery electric contact that connects to black wire). 3. Contact the black pen pin to the three connectors separately and measure each voltage.
  • Page 13 SECTION B.31 PCBA MOSFETS MEASURE IN POSITIVE DIRECTION 1. Set the Multimeter function to “Diode measuring”. Diode measuring 2. Contact the black pen pin to the positive electric contact (the battery electric contact that connects to red wire). 3. Contact the red pen pin to the three connectors separately and measure each voltage.
  • Page 14 SECTION B.40 DUCT SET MEASURE THE MOTOR Motor test results can be inconclusive. A bad result is guaranteed bad; however a good result does not indicate full functionality. Visual signs of damage may help diagnostics. 1. Set the Multimeter function to “Resistance measuring”...
  • Page 15 SECTION REPLACEMENT Important notice How to Replace the Duct Set (Motor included) How to Replace the PCBA...
  • Page 16 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 1 / 9 1. Remove the 4 screws on the blower bottom base to remove the bottom base. Bottom base...
  • Page 17 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 2 / 9 2. Remove the 10 screws to open the blower housings to expose the PCBA and duct set connectors.
  • Page 18 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 3 / 9 3. Use scissors to cut off the heat-shrinkable sleeves and remove the transparent sleeves aside to separate the three connectors between the PCBA and the duct set (motor included). Heat-shrinkable sleeve Transparent sleeve...
  • Page 19 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 4 / 9 4. Remove the duct set from the housing and replace it with a new one. Remove the fan baffle from the housing. If the fan baffle is worn and needs replacement, replace it. Ducted set Knobs on the Duct Assembly.
  • Page 20 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 5 / 9 5. Connect motor three-phase wire to electric assembly and cover with heat shrink tubing (approximately 3 cm). Wiring sequence is followed by blue to blue, black to yellow, and red to orange. Align the wires into the grooves.
  • Page 21 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 6 / 9 6. Before closing the right housing, make sure another two rubber gaskets are located into the right housing, if they fell out during disassembly, replace them.
  • Page 22 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 7 / 9 7. Align the rib on the fan baffle with the limit slot in handle housing, and mount the fan baffle into the outside groove in the left housing if fan baffle got separated from the housing. Limit slot for fan baffle rib Rib on the Fan Baffle...
  • Page 23 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 8 / 9 8. Check to make sure all the components are fixed in position, and wires are well aligned, NO PICHING, then tighten the 10 screws to tighten the handle housings.
  • Page 24 SECTION C.10 HOW TO REPLACE THE DUCT SET (MOTOR INCLUDED) STEP 9 / 9 9. Tighten the bottom base with 4 screws Bottom base...
  • Page 25 SECTION C.20 HOW TO REPLACE THE PCBA STEP 1 / 18 1. Separate the ducted set from the power head as shown in the section C.10. Then separate the triggers and springs. Spring Main trigger Turbo trigger Latch...
  • Page 26 SECTION C.20 HOW TO REPLACE THE PCBA STEP 2 / 18 2. Loosen 2 screws on Speed-adjustment knob and Separate PCBA from housing.
  • Page 27 SECTION C.20 HOW TO REPLACE THE PCBA STEP 3 / 18 3. Replace a new PCBA. Align the thinner black cable that is connected to the switch 2# into the groove at the edge of the PCBA. Switch 2# Thinner black cable...
  • Page 28 SECTION C.20 HOW TO REPLACE THE PCBA STEP 4 / 18 4. Align the thicker black cable connected with negative electric contact into the groove at the second edge of the PCBA. Negative electric contact Thicker black cable...
  • Page 29 SECTION C.20 HOW TO REPLACE THE PCBA STEP 5 / 18 5. Mount the PCBA with firmly holding the thinner and thicker wires in their place to put them into the groove in the left housing. PCBA...
  • Page 30 SECTION C.20 HOW TO REPLACE THE PCBA STEP 6 / 18 6. Mount the boost switch into the groove. Boost switch...
  • Page 31 SECTION C.20 HOW TO REPLACE THE PCBA STEP 7 / 18 7. Align the green thin cable from the boost switch into the groove.
  • Page 32 SECTION C.20 HOW TO REPLACE THE PCBA STEP 8 / 18 8. Remove the PCBA from the left housing. Replace it with a new one. Speed-adjustment knob Speed-adjustment knob Hole...
  • Page 33 SECTION C.20 HOW TO REPLACE THE PCBA STEP 9 / 18 9. Tighten the speed-adjustment PCBA with the 2 screws. And align the single black cable which connects the speed- adjustment PCBA to the boost switch into the vacant groove. Speed-adjustment PCBA Boost switch Single black cable...
  • Page 34 SECTION C.20 HOW TO REPLACE THE PCBA STEP 10 / 18 10. Align the flat cables into the groove.
  • Page 35 SECTION C.20 HOW TO REPLACE THE PCBA STEP 11 / 18 11. Align the other flat cables which link the switch 2# to the speed-adjustment PCBA into the groove first and then mount the switch 2# into the housing groove. Switch 2#...
  • Page 36 SECTION C.20 HOW TO REPLACE THE PCBA STEP 12 / 18 12. Mount the battery electric contacts into the left housing and align cables into the groove.
  • Page 37 SECTION C.20 HOW TO REPLACE THE PCBA STEP 13 / 18 13. Add silicone on position1 and position2 to protect the electric circuit board and positon3 (capacitor fixing). Position1 Position3 Position2...
  • Page 38 SECTION C.20 HOW TO REPLACE THE PCBA STEP 14 / 18 14. Place one spring 1# onto the turbo trigger first. Align the hole on the turbo trigger with the rib on the left housing, then mount the trigger onto the rib. Turbo trigger Hole Spring 1#...
  • Page 39 SECTION C.20 HOW TO REPLACE THE PCBA STEP 15 / 18 15. Assemble the spring 3# onto the lever. Align the rib on the battery ejection lever with the hole on the left housing to mount the lever into its place. Hole Spring 3# Battery ejection lever...
  • Page 40 SECTION C.20 HOW TO REPLACE THE PCBA STEP 16 / 18 16. Assemble the battery-release button, latch and spring 2# first, and then mount them into the groove of the left housing. Spring 2# Latch Battery-release button...
  • Page 41 SECTION C.20 HOW TO REPLACE THE PCBA STEP 17 / 18 17. Install the ducted set as shown in the section C.10. And Check to make sure all the components are fixed in position, and wires are well aligned, NO PICHING, then tighten the 10 screws to tighten the handle housings.
  • Page 42 SECTION C.20 HOW TO REPLACE THE PCBA STEP 18 / 18 18. Tighten the bottom base with 4 screws Bottom base...

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