Terex Genie Z-34/22 Installations- und Betriebsanleitung

Service and Repair Manual

Serial Number Range

Z®-34/22

from Z3414-9686 to

Z3416F-

11999

from Z34F-12000

This manual includes:

Repair procedures

Fault Codes

Electrical and

Hydraulic Schematics

For detailed maintenance

procedures, refer to the

appropriate Maintenance

Manual for your machine.

Bi-Energy Power

Part No.

1268515GT

Rev B

October 2021

Service and Repair Manual October 2021

Introduction

ii Z®-34/22 Bi-Energy Part No. 1268515GT

Intro ductio n Intro ductio n

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 B/Type 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.

Internet: www.genielift.com

E-mail: awp.techpub@terex.com

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.

1268515GTRev B, October 2021

First Edition, Second Printing

Genie and "Z" are registered trademarks of Terex South

Dakota, Inc. in the U.S.A. and many other countries.

October 2021 Service and Repair Manual

Introduction

Part No. 1268515GT Z®-34/22 Bi-Energy iii

Revision History

Revision Date Section Procedure / Page / Description

A 9/2015

Release

5/2016

Schematics

Update, added Charger interlock option

9/2016

Introduction

Serial Number Legend

B 10/2021 Schematics Electrical, Hydraulic Schematics

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

Service and Repair Manual October 2021

Introduction

iv Z®-34/22 Bi-Energy Part No. 1268515GT

Serial Number Legend

To Augus

t 31, 2016

1 Model

2 Model year

3 Facility code

4 Sequence number

5 Serial number (stamped on chassis)

6 Serial label (located under cover)

From September 1, 2016

1 Model

2 Facility code

3 Sequence number

4 Serial number (stamped on chassis)

5 Serial lable (located under cover)

October 2021 Service and Repair Manual

Safety Rules

Part No. 1268515GT Z®-34/22 Bi-Energy v

Sec ti on 1 Safety Rul es

Danger

Failure to obey the instructions and safety rules in

this manual and the appropriate Operator's Manual

on your machine will result in death or serious

injury.

Many of the hazards identified in the operator's

manual are also safety hazards when

maintenance and repair procedures are

performed.

Do not modify or alter a MEWP without prior

written permission from the manufacturer.

Do Not Perform Maintenance

Unless:

You are trained and qualified to perform

maintenance on this machine.

You read, understand and obey:

•manufacturer's instructions and safety rules

•employer's safety rules and worksite

regulations

•applicable governmental regulations

You have the appropriate tools, lifting

equipment and a suitable workshop.

Service and Repair Manual October 2021

Safety Rules

vi Z®-34/22 Bi-Energy Part No. 1268515GT

Personal Safety

Any person working on or around a machine must

be aware of all known safety hazards. Personal

safety and the continued safe operation of the

machine should be your top priority.

Read each procedure thoroughly. This

manual and the decals on the machine,

use signal words to identify the following:

Safety alert symbol

—used to

alert personnel to potential

personal injury hazards. Obey all

safety messages that fo

llow this

symbol to avoid possible injury or

death.

Indicates a imminently hazardous

situation which, if not avoided,

will result in death or serious

injury.

Indicates a potentially hazardous

situation which, if not avoided,

could result in

death or serious

injury.

Indicates a potentially hazardous

situation which, if not avoided,

may cause minor or moderate

injury.

Indicates a potentially hazardous

situation which, if not avoided,

may result in property damage.

Be sure to wear prote

ctive eye wear and

other protective clothing if the situation

warrants it.

Be aware of potential crushing hazards

such as moving parts, free swinging or

unsecured components when lifting or

placing loads. Always wear approved

steel

-toed shoes.

Workplace Safety

Any person working on or around a machine must

be aware of all known safety hazards. Personal

safety and the continued safe operation of the

machine should be your top priority.

Be sure to keep sparks, flames and

lighted tobacco away from flammable and

combustible materials like battery gases

and engine fuels. Always have an

approved fire extinguisher within easy

reach.

Be sure that all tools and working areas

are properly maintained and ready for

use. Keep work surfaces clean and free

of debris that could get into machine

components and cause damage.

Be sure any forklift, overhead crane or

other lifting or supporting device is fully

capable of supporting and stabilizing the

weight to be lifted. Use only chains or

straps that are in

good condition and of

ample capacity.

Be sure that fasteners intended for one

time use (i.e., cotter pins and self

locking

nuts) are not reused. These components

may fail if they are used a second time.

Be sure to properly dispose of old oil or

other fluids. Use an approved container.

Please be environmentally safe.

Be sure that your workshop or work area

is properly ventilated and well lit.

October 2021

Table of Contents

Part No. 1268515GT Z®-34/22 Bi-Energy vii

Introduction Introduction ......................................................................................................ii

Important Information ......................................................................................... ii

Find a Manual for this Model............................................................................... ii

Revision History ................................................................................................ iii

Serial Number Legend....................................................................................... iv

Section 1 Safety Rules......................................................................................................v

General Safety Rules .........................................................................................v

Section 2 Specifications...................................................................................................1

Machine Specifications .......................................................................................1

Machine Component Weights.............................................................................1

Performance Specifications ................................................................................2

Hydraulic Oil Specifications ................................................................................2

Hydraulic Component Specifications...................................................................5

Manifold Component Specifications ....................................................................6

Machine Torque Specifications ...........................................................................6

Kubota Z482-E Engine Specifications.................................................................7

Generator Specifications ....................................................................................8

Hydraulic Hose and Fitting Torque Specifications ...............................................9

Torque Procedure ............................................................................................10

October 2021

Table of Contents

viii Z®-34/22 Bi-Energy Part No. 1268515GT

Section 3 Repair Procedures .........................................................................................12

Introduction ......................................................................................................12

Platform Controls...........................................................................................14

1-1 Controllers..................................................................................................14

Boom Function Speed Controller Adjustments.............................................14

1-2 Diodes........................................................................................................16

1-3 Foot Switch ................................................................................................16

1-4 Toggle Switches.........................................................................................17

How to Test a Toggle Switch ....................................................................... 17

Platform Components ....................................................................................18

2-1 Platform Leveling Slave Cylinder ................................................................18

How to Remove the Platform Leveling Slave Cylinder.................................. 18

How to Bleed the Leveling Slave Cylinder....................................................18

2-2 Platform Rotator .........................................................................................19

How to Remove the Platform Rotator...........................................................19

How to Bleed the Platform Rotator...............................................................20

2-3 Platform Overload System..........................................................................21

How to Calibrate the Platform Overload System (if equipped) ......................21

Jib Boom Components ..................................................................................22

3-1 Jib Boom....................................................................................................22

How to Remove the Jib Boom .....................................................................22

3-2 Jib Boom Bell Crank...................................................................................23

How to Remove the Jib Boom Bell Crank .................................................... 23

3-3 Jib Boom Lift Cylinder.................................................................................23

How to Remove the Jib Boom Lift Cylinder ..................................................23

October 2021

Table of Contents

Part No. 1268515GT Z®-34/22 Bi-Energy ix

Primary Boom Components...........................................................................25

4-1 Cable Track................................................................................................25

How to Repair the Primary Boom Cable Track.............................................25

4-2 Primary Boom ............................................................................................25

How to Shim the Primary Boom ...................................................................25

How to Remove the Primary Boom ..............................................................25

How to Disassemble the Primary Boom .......................................................27

4-3 Primary Boom Lift Cylinder .........................................................................28

How to Remove the Primary Boom Lift Cylinder...........................................28

4-4 Primary Boom Extension Cylinder...............................................................30

How to Remove the Primary Boom Extension Cylinder ................................30

4-5 Platform Leveling Master Cylinder ..............................................................31

How to Remove the Platform Leveling Master Cylinder................................31

Secondary Boom Components......................................................................33

5-1 Secondary Boom........................................................................................34

How to Disassemble the Secondary Boom ..................................................34

5-2 Secondary Boom Lift Cylinders...................................................................37

How to Remove the Secondary Boom Lift Cylinders ....................................37

Engines...........................................................................................................39

6-1 Timing Adjustment......................................................................................39

6-2 RPM Adjustment ........................................................................................39

6-3 Engine Drive Pulley ....................................................................................39

How to Remove the Engine Drive Pulley......................................................39

How to Install the Engine Drive Pulley..........................................................40

6-4 Coolant Temperature and Oil Pressure Switches ........................................41

October 2021

Table of Contents

x Z®-34/22 Bi-Energy Part No. 1268515GT

Generator........................................................................................................42

7-1 Generator Pulley ........................................................................................42

How to Remove the Generator Pulley..........................................................42

How to Install the Generator Pulley..............................................................42

7-2 Generator Belts..........................................................................................43

7-3 Generator Voltage Regulator......................................................................44

How to Adjust the Generator Voltage Regulator...........................................44

How to Replace the Voltage Regulator ........................................................45

Hydraulic Pumps............................................................................................47

8-1 Auxiliary Pump ...........................................................................................47

How to Test the Auxiliary Pump...................................................................47

How to Remove the Auxiliary Pump.............................................................47

8-2 Function Pump...........................................................................................48

How to Test the Function Pump...................................................................48

How to Removet the Function Pump............................................................48

Manifolds ........................................................................................................50

9-1 Function Manifold Components ..................................................................50

9-2 Valve Adjustments - Function Manifold ....................................................... 52

How to Adjust the System Relief Valve ........................................................52

How to Adjust the Primary Boom Down Relief Valve....................................52

How to Adjust the Secondary Boom Down Relief Valve ............................... 53

How to Adjust the Turntable Rotate Relief Valve.......................................... 53

9-3 Jib Boom / Platform Rotate Manifold Components. .....................................54

9-4 Valve Coils .................................................................................................55

How to Test a Coil.......................................................................................55

Valve Coil Resistance Specification............................................................. 55

How to Test a Coil Diode.............................................................................56

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