EGO ST1500E Manual de usuario

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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