EGO LB6000E User manual

REPAIR GUIDELINE
Blower_LB6000E
Version: 1
Issue Date: 2016/12/02

Table of Contents
NO. Contents Page
1 Troubleshooting 3-4
2 Tool list 5
3 How to disassemble the blower 6-17
4 How to replace the PCBA 18-29
5 How to replace the switch assembly 30-37
6 How to replace the motor and ducted assembly 38-47
7 How to replace the connecting lever 48-61
2

Troubleshooting
Problem
Possible Cause
Fault Position
Test & Solution
Won’t turn on
PCBA is damaged
PCBA in the housing
Test the PCBA according to the procedure in the
diagnosing section, if it is broken, replace the
PCBA.
Bearings on the
motor shaft are worn
and seized.
Motor in Ducted
Assembly
Use a stick to turn the fan from the air inlet, if
the fan is not able to move, it means the
bearings are stuck. Replace the duct assembly.
Motor is broken
Motor in Ducted
Assembly
Measure the resistance between any two of the
three cables of the motor by using a multimeter.
If the resistance is infinite, replace the motor
and ducted assembly.
The switch is
always in the on
position. The
blower cannot be
shut off.
The switch contacts
are stuck.
Switch in the handle
housing
Insert a good battery, if the blower will run
regardless of the switch is on or off , replace
the switch assembly in the handle housing.
3

Troubleshooting
Problem
Possible Cause
Fault Position
Test & Solution
Press the boost button/ depth
adjusting knob when the
blower runs, the air velocity
and the volume doesn’t
change.
PCBA or switch
assembly is broken
PCBA in the duct
housing or switch in
the handle housing
Following the procedure in the
diagnosing section to test the PCBA,
If it is broken, replace PCBA. If PCBA
works fine, test the switch and
replace the switch assembly if it is
not working.
The air velocity and the
volume are decreased
compared with normal use.
The fan in the duct
is worn.
Fan in Ducted
assembly
Open the housing set, take off the
fan baffle and check the fan. If the
fan is worn, replace the motor and
ducted assembly.
4

Tool List For Repair
NO. Tool List SPEC Remark
1 Torx screwdriver T15
2 Philips PH2
3 Socket wrench 10mm
4 Multimeter
5
Capacitor discharging fixture
5

6
1. Stop the motor and remove the battery pack from the blower.
2. Loosen and remove the 7 screws to remove the right housing.
How to disassemble the blower
Description
Part Number
Quantity
Tapping screw
5610294001
7

3. Remove the left housing and cut the zip-tie. If the housing set was broken, replace it
with a new one.
7
How to disassemble the blower
Right housing
Left housing
Description
Part Number
Quantity
L R Housing Set
2824817001
1

How to disassemble the blower
8
4. Disconnect connector 1.
Connector 1: PCBA with motor
Connector 2: PCBA with speed adjustment switch
Connector 3: PCBA with battery electric assembly
Connector 4: PCBA with main switch
Connector 1
Connector 4
Connector 3
Connector 2

How to disassemble the blower
9
5. Test the PCBA to judge if it is broken.
1) Discharge the capacitor that is connected in the PCBA
a) Set the multimeter function to “Diode measuring” .

How to disassemble the blower
10
b) Push the red pen pin to the negative electric contact and push the black pen pin
to the positive electric contact.
c) Press the switch trigger and hold for about 10s to discharge the capacitor
NOTICE: If electric exists, the multimeter will beep until the discharging process
ends, otherwise there will be no sound.
Red pen pin
Negative electric
contact
Black pen
pin
Positive electric
contact