EGO STX4500 Repair Manual Line

Commercial string trimmer

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Operator's manual (160 pages)

Operator's manual (25 pages)

Manual (324 pages)

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REPAIR GUIDELINE

EGO STX4500 Commercial String Trimmer

Version: A

Issue Date: 11/14/2022

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Summary of Contents for EGO STX4500

Page 1 REPAIR GUIDELINE EGO STX4500 Commercial String Trimmer Version: A Issue Date: 11/14/2022 CopyRight©2022.Chervon Holdings Ltd., All rights reserved. CopyRight©2023.Chervon Holdings Ltd., All rights reserved.
Page 2: Table Of Contents
Contents Page Troubleshooting Tool list Replace the PCBA Replace the Motor Replace the Gear Case Replace the Cutting Head Set CopyRight©2023.Chervon Holdings Ltd., All rights reserved.
Page 3: Troubleshooting
Troubleshooting Problem Possible cause Fault Position Test & Solution Page Faulty battery or faulty battery contacts Battery Test with a healthy battery. The cables that connect to motor are loose or disconnected Cables check the cable connection with Motor & PCBA from motor.
Page 6 Replace the PCBA Loosen all screws on the housing. The shaft and motor can be removed by releasing the hook, which facilitates the unplugging of the connector for easy PCBA replacement. Replace the PCBA. CopyRight©2023.Chervon Holdings Ltd., All rights reserved.
Page 9 Replace the Motor Loosen all screws on the housing. Loosen the screw ‘a’ and unplug the connector between PCBA and motor to remove the motor and shaft, then releasing the hook ‘b’, Replace the Motor. CopyRight©2023.Chervon Holdings Ltd., All rights reserved.
Page 11 Replace the Gear Case 1. Loosen the screws to remove the guard. 2. Rotate the outer flange to align the slot in the inner flange Tighten with the shaft-locking hole in the gear case. 3. Insert the included hex key into the aligned holes to act as a stabilizer.
Page 13 Replace the Cutting Head Set Tighten Upper cover 1. Loosen the screws to remove the guard. 2. Rotate the trimmer head to align the slot in the inner flange with the shaft-locking hole in the gear case and insert the provided hex key into Loosen the aligned hole to act as a stabilizer 3.
Page 14 Replace the Cutting Head Set 1. Press two release tabs on the trimmer head and remove the lower cover assembly of the trimmer head by pulling it straight out. 2. The spring can be taken out directly. 3. Replace required parts. Spool Upper cover Lower Cover Assy.

EGO STX4500 Repair Manual Line

Table of Contents