EGO ST1500E Manuale utente
REPAIR GUIDELINE
String Trimmer_ST1500E
Version: 1
Issue Date: 02/27/2015
Table of Contents
2
NO. Contents Page
1 Troubleshooting 3
2 Tool list 4
3 Part 1: Replace the motor Assembly 5-28
4 Part 2: Replace the PCBA 29-40
Troubleshooting
3
Problem Possible Cause Fault
Position Test & Solution
Not feed line Poor cutting line trimmer line Replace the cutting line. (e.g. 2.4mm
nylon line)
Fail to start
The cables that connect to motor are
loosed or fallen off from motor. Motor Open the motor housing, check the
cable connection with motor.
Motor is burned Motor If the cables are well connected, check
the motor and test with a new motor.
PCBA is broken PCBA in rear
housing
If the cables are well connected, and
motor is functional, replace the PCBA in
the rear housing.
The battery pack is not
stayed/locked on the
trimmer properly; or hard to
remove from the trimmer.
The locking mechanism is worn. Rear housing Replace the rear housing set.
The motor speed varies up
and down when the
trimmer works.
Motor was burned due to overload motor Replace the motor
Tool List For Repair
4
NO. Tool List SPEC Remark
1 Magnetic bits #1 , #2 phillips
2 Socket wrench 13mm
3 Hex wrench M5
4 Electric soldering iron
5 Heat gun
6 Heat shrinkable sleeves
7 Scissors To remove the shrinkable sleeve
5
Part 1: Replace the Motor Assembly
1. Stop the motor and remove the battery pack from the string trimmer.
2. Loosen the two bolts in the guard with the M5 hex wrench, remove the guard from the shaft.
Description Part Number SPEC
Guard Assembly 2824011000
Replace the Motor
6
bolt
Guard
Assembly
3. Press the release tabs on the upper housing to remove the spool and spool retainer.
7
Replace the Motor
Release tab
spool
Spool retainer
Description Part Number
Spool 3127635000
Spool retainer 2824019000
8
Replace the Motor
4. Hold the bump knob and pull it straight out; remove the bump knob, compression spring,
washer from the trimmer head base.
compression spring
washer
Trimmer head
base
PULL
Description Part Number
Bump knob 2824022000
compression spring 3660582000
washer 5650349000
bump knob
9
Replace the Motor
5. Wear gloves and hold the trimmer head base with one hand, use a 13mm manual socket
wrench to turn the hexagon nut counterclockwise to loosen it.
hexagon nut
10
Replace the Motor
6. Hold the trimmer head base and pull it straight out from the motor shaft. Remove the flange
from the base.
Pull
Description Part Number
Hexagon nut &
flange set 2824010000
Trimmer head
base 2824082000
Hexagon nut
&flange set
Trimmer head base
Motor shaft
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