Service and repair manual [PDF] (217 pages)
- Updated: 12.09.2026
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Service and Repair Manual
Serial Number Range
GS™-3384
from GS84F-46000
from GS84D-401
This manual includes:
Repair procedures
Fault Codes
Electrical and
Hydraulic Schematics
GS™-3390
from GS90F-56000
from GS90D-3201
GS™-4390
GS™-5390
For detailed maintenance
procedures, refer to the
appropriate Maintenance
Manual for your machine.
Part No. 1306587GT
Rev A1
June 2021
Service and Repair Manual
June 2021
Introduction
ii
GS™-84 • GS™-90
Part No. 1306587GT
Introduction
Introduction
Important
Read, understand and obey the safety rules and
operating instructions in the appropriate Operator's
Manual on your machine before attempting any
procedure.
This manual provides troubleshooting and repair
procedures for qualified service professionals.
Basic mechanical, hydraulic and electrical skills
are required to perform most procedures.
However, several procedures require specialized
skills, tools, lifting equipment and a suitable
workshop. In these instances, we strongly
recommend that maintenance and repair be
performed at an authorized Genie dealer service
center.
Compliance
Machine Classification
Group A/Type 2, 3 as defined by ISO 16368
Machine Design Life
Unrestricted with proper operation, inspection and
scheduled maintenance.
Technical Publications
Genie has endeavored to deliver the highest
degree of accuracy possible. However, continuous
improvement of our products is a Genie policy.
Therefore, product specifications are subject to
change without notice.
Readers are encouraged to notify Genie of errors
and send in suggestions for improvement. All
communications will be carefully considered for
future printings of this and all other manuals.
Contact Us:
Internet: www.genielift.com
E-mail: [email protected]
Find a Manual for this Model
Go to http://www.genielift.com
Use the links to locate Service Manuals,
Maintenance Manuals, Service and Repair
Manuals, Parts Manuals and Operator's Manuals.
Copyright © 2016 by Terex Corporation
1306587GT Rev A, April 2021
Second Edition, First Printing
Genie is a registered trademark of Terex South Dakota, Inc. in
the U.S.A. and many other countries.
“GS” is a trademark of Terex South Dakota, Inc.
June 2021
Service and Repair Manual
Introduction
Part No. 1306587GT
GS™-84 • GS™-90
iii
Revision History
Revision
Date
Section
Procedure / Page / Description
A
4/2021
Initial Release
A1
6/2021
Repair
9-1
Reference Examples:
Electronic Version
Click on any content or procedure in the Table of Contents to view
the update.
Section – Repair Procedure, 4-2
Section – Fault Codes, All charts
Section – Schematics, Legends and schematics
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