Download
Share
Print this page
  1. Manuals
  2. Brands
  3. EGO Manuals
  4. Blower
  5. LB5300E
  6. Repair manual line

EGO LB5300E Repair Manual Line

Hide thumbs Also See for LB5300E:

Advertisement

Quick Links

REPAIR GUIDELINE
Blower_LB5300E
Version: 1
Issue Date: 2016/02/25

Advertisement

loading

Related Manuals for EGO LB5300E

Summary of Contents for EGO LB5300E

  • Page 1 REPAIR GUIDELINE Blower_LB5300E Version: 1 Issue Date: 2016/02/25...

  • Page 2: Table Of Contents

    Table of Contents Contents Page Troubleshooting Tool list How to disassemble the blower 5-20 How to replace the PCBA 21-34 How to replace the Motor & Ducted Assembly 35-40 How to assemble the blower 41-43...

  • Page 3: Troubleshooting

    Troubleshooting Problem Possible Cause Fault Position Test & Solution PCBA is damaged. PCBA in Handle Replace PCBA in the handle. Measure the resistance between any two of the three cables in the motor Fail to start Motor in Ducted and ducted assembly by using a Motor is damaged.

  • Page 4: Tool List

    Tool List For Repair Tool List SPEC Remark Magnetic bits Utility knife To remove the label Heat gun Heat -shrinkable sleeves Φ7 mm Scissors To remove the shrinkable sleeve Multimeter Capacitor discharging fixture...

  • Page 5: How To Disassemble The Blower

    How to disassemble the blower 1. Remove the air velocity indication label. Air Velocity Indication Label...
  • Page 6 How to disassemble the blower 2. Remove the 4 screws to disassemble the base assembly. Four Screws Base Assembly Description Part Number Tapping Screw 5610032004 Base Assembly 2824381001...
  • Page 7 How to disassemble the blower 3. Remove the 8 screws and open the handle housings.
  • Page 8 How to disassemble the blower 4. Remove the Fan Baffle. 5. Loosen the 2 screws in the right housing and remove the right housing. Motor & Duct Assembly Fan Baffle Right Housing...
  • Page 9 How to disassemble the blower  The following parts can be replaced after opening the housings. Description Part Number Description Part Number Battery Release Button 3127201001 Static Dissipation Assembly 2824406001 Latch 3127202001 Anti-static Bar 3650142001 Battery Ejection Lever 3127206001 Left Handle Housing 3321366001 Speed Adjusting Knob 3127215001...
  • Page 10 How to disassemble the blower Speed Adjustment Knob Boost Button Level Left Handle Spring 1 PCBA Right Housing Housing Battery Release Button Rubber Gasket Trigger Level Anti-static Bar Left Housing Spring 2 Latch Spring 3 Static Dissipation Assembly Battery Ejection Lever Motor &...
  • Page 11 How to disassemble the blower 6. Take out the PCBA from the left handle housing. PCBA Connectors...
  • Page 12 How to disassemble the blower 7. Remove the heat-shrinkable sleeves, move the transparent sleeve aside and separate the three connectors.
  • Page 13 How to disassemble the blower 8. Test the motor assembly to judge if it is open-circuit. a) Set the multimeter function to “Resistance measuring” . b) Measure the resistance between any of the two connectors. c) If any of the measurements are infinite, means the circuit between the two connectors are open circuit, the motor is damaged.
  • Page 14 How to disassemble the blower 9. Test the PCBA to judge if it is broken. 1) Discharge the capacitor which is connected in the PCBA assembly. a) Connect the electrical contacts into the discharging fixture. b) Press the main switch trigger and hold for about 10s to discharge the capacitor. Capacitor discharging fixture Capacitor Main switch...
  • Page 15 How to disassemble the blower 2) Measure the Fuse in the PCBA. Fuse...
  • Page 16 How to disassemble the blower a) Set the multimeter function to “Resistance measuring” . b) Pierce one pen pin of the multimeter into the sealing glue and force the pin contacting onto one end of the fuse, then pierce another pen pin into the sealing glue and contacting onto the other end of the fuse.
  • Page 17 How to disassemble the blower 3) Measure the MOSFET in the PCBA (Step 1). a) Set the multimeter function to “Diode measuring” . b) Contact the red pen pin to the negative electric contact (the metal plate that connects to black wire).
  • Page 18 How to disassemble the blower Figure showing how to measure the MOSFET in the PCBA (Step 1) Black pen pin Three contactors Black wire Red pen pin Negative electric contact...
  • Page 19 How to disassemble the blower 4) Measure the MOSFET in the PCBA (Step 2). a) Keep the multimeter function setting at “Diode measuring”. b) Contact the black pen pin to the positive electric contact (the metal plate that connects to red wire). c) Contact the red pen pin to the three connectors separately and measure the voltage.
  • Page 20 How to disassemble the blower Figure showing how to measure the MOSFET in the PCBA (Step 2) Positive Electric contact Red wire Black pen pin Red pen pin contacting to the three contactors separately...

  • Page 21: How To Replace The Pcba

    How to Replace the PCBA 1. Following the instructions in “How to disassemble the blower” to remove the right handle housing cover and right housing, take out the defective PCBA. 2. Clean the glues in the housing. 3. Replace with a new PCBA. 4.
  • Page 22 How to Replace the PCBA 5. Test the blower. a) Connect the electric contact to a full charged battery. b) Press the main switch briefly and release it. Check the motor working status through the fan baffle . If the blower fan rotates counterclockwise, means the replacement solution is correct.
  • Page 23 How to Replace the PCBA 6. Insert the capacitor PCBA into the housing and align the capacitor wires into the grooves. Note: The wires should be well aligned, otherwise the housing is not able to be closed properly. Capacitor PCBA...
  • Page 24 How to Replace the PCBA 7. Mount the Main PCBA into the left handle housing. Main PCBA...
  • Page 25 How to Replace the PCBA 8. Mount the boost switch into the left handle housing. Boost Switch Wire Alignment...
  • Page 26 How to Replace the PCBA Mount the main switch into the left handle housing. Main Switch Thin Wires aligned in the groove...
  • Page 27 How to Replace the PCBA 10. Turn the adjustable resistance pole counterclockwise as far as possible to the stop position, then mount the plastic knob onto the pole. 11. Fix the adjustable resistance PCBA assembly into the left handle housing. Align the thin wires into the groove Wire Alignment...
  • Page 28 How to Replace the PCBA 12. Align the three motor wires into the groove. Note: if the wires are not properly aligned, the housings are not able to be closed. Connectors stored here Align the wires in the groove...
  • Page 29 How to Replace the PCBA 13. Fix the electrical contacts into the housing. Electrical contacts...
  • Page 30 How to Replace the PCBA 14. Align the wires into the grooves. a) Align the red wire first.
  • Page 31 How to Replace the PCBA 14. Align the wires into the grooves. b) Align the white wire.
  • Page 32 How to Replace the PCBA 14. Align the wires into the grooves c) Finally align the black wire.
  • Page 33 How to Replace the PCBA 15. Fix the boost button lever into the left handle housing. Boost Button Lever...
  • Page 34 How to Replace the PCBA 16. Fix the spring onto the trigger rib and mount the trigger lever into the left handle housing. Trigger Lever...

  • Page 35: How To Replace The Motor & Ducted Assembly

    How to Replace the Motor & Duct Assembly 1. Following the instructions in “How to disassemble the blower” to remove the right handle housing cover and right housing, take out the Motor and duct assembly. Motor & Duct Assembly...
  • Page 36 How to Replace the Motor & Duct Assembly 2. Disconnect the three motor wire connectors. 3. Pull out the static dissipation terminal from the duct assembly. 4. Replace with a new motor & duct assembly. Static Dissipation Terminal Motor & Duct Assembly...
  • Page 37 How to Replace the Motor & Duct Assembly 5. Reconnect the three motor connectors to the new motor and duct assembly. 6. Inert the static dissipation terminal into the connection hole of the new motor and dust assembly. Correct Connection: Brown to brown, yellow to yellow, blue to blue Insert...
  • Page 38 How to Replace the Motor & Duct Assembly 7. Test the blower. a) Connect the electric contact to a battery b) Press the main switch briefly and release it. Check the motor working status through the fan baffle . If the blower fan rotates counterclockwise, means the replacement solution is correct.
  • Page 39 How to Replace the Motor & Duct Assembly 8. Check to make sure the two rubber gaskets are located into the left housing. If they fell out, refix them in place. 9. Align the knobs on the duct assembly with the rubber gasket holes in the left housing and mount the motor and duct assembly in the housing.
  • Page 40 How to Replace the Motor & Duct Assembly 10. Align the wires into the grooves. Connectors stored here Align the wires in the groove...

  • Page 41: How To Assemble The Blower

    How to Assemble the Blower Check to make sure the two rubber gaskets are located into the right housing, if they fell out, refix them in place. Align the right housing with left housing and close them, lock them with 2 screws. Right Housing Rubber Gasket...
  • Page 42 How to Assemble the Blower Align the rib on the fan baffle with the limit slot in left housing, mount the fan baffle into the outside groove in the left housing. Rib on the Fan Limit slot for fan Baffle baffle rib Outside groove for Fan Baffle...
  • Page 43 How to Assemble the Blower Check to make sure all the components are fixed in position, and wires are well aligned, close the right handle housing and lock the housing with 8 screws. Install a battery to the blower and test the blower.