Terex Genie Z-25/8, Z-20/8, Z-20/8N Articulated Boom Lift Service Manual

Name: Terex Genie Z-25/8, Z-20/8, Z-20/8N Articulated Boom Lift Service Manual
Brand: MidWestTech
SKU: 41314
Price: 69.85 USD
Availability: InStock

150 pages · Publication 41314

$69.85

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Models: Genie Z-25/8, Z-20/8, Z-20/8N
Manual type: Service Manual
Pages: 150
Publication: 41314
Condition: Brand new

Terex Genie Z-25/8, Z-20/8, Z-20/8N Articulated Boom Lift Service Manual, publication 41314

What's inside

From the manual's own table of contents: 88 sections, 92 entries. See sample pages (PDF, 635 KB)

Search the contents

Important Information

General Safety Rules

Theory Of Operation

Machine and Performance Specifications, Z-25/8 Models

Machine and Performance Specifications, Z-20/8 Models

Machine and Performance Specifications, Z-20/8N Models

Hydraulic Specifications - All Models

Hydraulic Hose and Fitting Torque Specifications

Introduction4 topics

Table A
Table B
Table C
Table D

Maintenance Inspection Report

Inspect the Operator’s and Safety Manuals

Inspect the Decals and Placards

Inspect for Damage and Loose or Missing Parts

Check the Hydraulic Oil Level

Check for Hydraulic Leaks

Test the Platform and Ground Controls

Test the Auxiliary Power Operation

Test the Tilt Sensor

Test the Drive Speed Limit Switch

A-10 Perform 30 Day Service

Check the Batteries

Inspect the Electrical Wiring

Inspect the Tires and Wheels (including castle nut torque)

Test the Key Switch

Show all 88 sections

Test the Emergency Stop Buttons

Test the Ground Control Override

Test the Horn

Test the Foot Switch

Test the Drive Brakes

B-10 Test the Drive Speed - Stowed Position

B-11 Test the Drive Speed - Raised Position

B-12 Test the Alarm Package (if equipped)

B-13 Perform Hydraulic Oil Analysis

B-14 Check the Electrical Contactors

B-15 Replace the Hydraulic Tank Return Filter

Bleed the Jib Boom Rotator

Test or Replace the Hydraulic Oil

All Functions Will Not Operate

Pump Motor Will Not Operate

Auxiliary Functions Inoperative

All Functions Inoperative, Power Unit Starts and Runs

Ground Controls Inoperative, Platform Controls Operate Normally

Platform Controls Inoperative, Ground Controls Operate Normally

Boom Up Function Inoperative

Boom Down Function Inoperative

Jib Boom Up Function Inoperative

Jib Boom Down Function Inoperative

Jib Boom Rotate Left Function Inoperative

Jib Boom Rotate Right Function Inoperative

Steer Left Function Inoperative

Steer Right Function Inoperative

All Drive Functions Inoperative, All Other Functions Operate Normally

Drive Forward Function Inoperative

Drive Reverse Function Inoperative

Machine Will Not Drive At Full Speed

Machine Drives At Full Speed With Platform Raised

Brake Release Function Inoperative

Electrical Components

Electrical Symbols Legend

Abbreviation Legend

Z-20/8N (before serial number 968)

Z-20/8N (after serial number 967)

Ground Control Panel Wiring Diagram

Power Cable Diagram

Hydraulic Symbols Legend

Joystick Controller

Foot Switch

Toggle Switches

Control Relays

Platform

Jib Boom

Jib Boom Cylinder

Jib Boom Rotator

Boom

Boom Lift Cylinder

Toggle Switches, See 1-3, Toggle Switches

Control Relays, See 1-4, Control Relays

Wago® Components

Auxiliary Pump

Main Function Pump

Function Manifold Components

Valve Adjustments - Function Manifold

Jib Boom and Jib Boom Rotate Manifold Components

Brake Release Hand Pump Components

Yoke and Drive Motor

Steering Cylinder

Steering Bellcrank

Drive Brake

Inside this manual

Real pages from this service manual (150 pages). Open the sample pages (PDF, 635 KB)

Sample pages from the Terex Genie Z-25/8, Z-20/8, Z-20/8N Articulated Boom Lift Service Manual: Specifications, Troubleshooting, Diagram, Foldout diagram

Specifications, page 13: Section 2 • Specifications
Troubleshooting, page 47: Before Troubleshooting:
Diagram, page 109: Section 6 • Schematics
Foldout diagram, page 103: Platform Control Box Wiring Diagram, Z-25/8 (after-

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the Genie Z-25/8, Z-20/8, Z-20/8N are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual 41314$69.85

Parts manuals

Parts Manual 41315 · 116 pagesCovers Genie Z-25/8, Z-20/8, Z-20/8N$69.91Details

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 150 pages

Quantity one is the manual described above.

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Ships in 1 business day.

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Other editions and similar models

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).