JLG Lift 450A/AJ Series II Articulating Boom Lift Service and Maintenance Manual (GLOBAL)

Download Ebook

This service manual PDF download for the JLG Lift 450A/AJ Series II Articulating Boom Lift has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.


JLG Lift 450A/AJ Series II
Prior To S/N 0300160835


Section 1. Specifications
1.1 Capacities
1.2 Tires
1.3 Engine
1.4 Specifications and Performance Data
1.5 Function Speeds
1.6 Torque Requirements
1.7 Lubrication
1.8 Major Component Weights
1.9 Pressure Settings – PSI (BAR)
1.10 Serial Number Location
1.11 Operator Maintenance
1.12 Draining Propane Regulator Oil Build Up (Prior to S/N 0300137808)
1.13 Propane Fuel Filter Replacement
1.14 Propane System Pressure Relief

Section 2. General
2.1 General
2.2 Service and Guidelines
2.3 Lubrication and Information
2.4 Cylinder Drift Test
2.5 Pins and Composite Bearing Repair Guidelines
2.6 Welding on JLG Equipment

Section 3. Chassis & Turntable
3.1 Tires & Wheels
3.2 Torque Hub (Machines Built Before S/N 0300071527)
3.3 Torque Hub (Machines built after S/N 0300071527)
3.4 Re-Aligning Torque Hub Input Coupling
3.5 Drive Motor
3.6 Drive Motor
3.7 Adjustment Procedure For Lockout Valve
3.8 Oscillating Axle Bleeding Procedure and Lockout Test
3.9 Swing Bearing
3.10 Swing Motor
3.11 Semi-Track
3.12 Generator
3.13 Ford EFI Engine
3.14 Circuit Testing Tools
3.15 Deutz Engine
3.16 Deutz EMR 2 (S/N 85332 to Present)
3.17 GM Engine General Maintenance
3.18 GM Engine Dual Fuel System
3.19 GM Engine Fuel System Repair
3.20 GM Engine LPG Fuel System Diagnosis
3.21 Perkins Engine General Maintenance
3.22 Engine Radiator Fill Procedure – Perkins & Caterpillar
3.24 Diagnostic Trouble Code Fault Descriptions

Section 4. Boom & Platform
4.1 Boom Maintenance
4.2 Rotator
4.3 Rotary Actuator (S/N 0300130812 and 1300006433 to Present)

Section 5. Hydraulics
5.1 Cylinder Repair -USA Manufactured Only
5.2 Hydraulic Pump (Gear)
5.3 Variable Pump
5.4 Hydraulic Component Start-Up Procedures and Recommendations
5.5 Pressure Setting Procedure

Section 6. JLG Control System
6.1 Introduction
6.2 Connect JLG Control System Analyzer
6.3 Using Analyzer
6.4 Changing Hand Held Analyzer Access Level
6.5 Adjusting Parameters Using the Hand Held Analyzer
6.6 Machine Setup
6.7 Machine Personality Settings
6.8 System Test

Section 7. Basic Electrical Information & Schematics
7.1 General
7.1 Multimeter Basics
7.2 Applying Silicone Dielectric Compound to Electrical Connections
7.3 AMP Connector
7.4 Deutsch Connectors


File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121180
Total Pages : 472

This service manual / repair manual / workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!

Instant Download means there is NO shipping costs or waiting for a CD or paper manual to arrive in the mail! You will receive this manual TODAY via Instant Download on completion of payment via our secure payment processor. We accept ALL major credit/debit cards/paypal.

Looking for some other service, repair , workshop , operation & maintenance or parts manual?, please check :


Download Ebook

JLG Lift 450A/AJ Series II Articulating Boom Lift Service and Maintenance Manual (GLOBAL).pdf

Leave a Reply

Your email address will not be published. Required fields are marked *