JLG 80HX, 80HX+6 & 80HXER Boom Lifts Service and Maintenance Manual (ANSI)

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This service manual PDF download for the 80HX, 80HX+6 & 80HXER JLG Boom Lifts  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. 


APPLICABLE MODELS :

JLG Lift 80HX
JLG Lift 80HX+6
JLG Lift 80HXER


TABLE OF CONTENTS :

SECTION A - INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS
A General
B Hydraulic System Safety 
C Maintenance 

SECTION 1 - SPECIFICATIONS
1.1 Capacities 
1.2 Component Data 
1.3 Performance Data 
1.4 Torque Requirements 
1.5 Lubrication
1.7 Major Components Weights 
1.8 Cylinder Specifications 
1.9 Boom Tape
1.10 Critical Stability Weights 
1.11 Serial Number Location

SECTION 2 - GENERAL
2.1 Machine Preparation, Inspection, and Maintenance
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 
2.7 Applying Silicone Dielectric Compound to Electrical Connections 
2.8 Preventive Maintenance and Inspection Schedule 

SECTION 3 - CHASSIS & TURNTABLE
3.1 Torque Hub 
3.2 Drive Brake, Ausco - Machines Built Prior to October 1987
3.3 Drive Brake, Mico - Machines Built Prior to October 1987 
3.4 Drive Brake, Ausco - Machines Built Prior to 1992 
3.5 Drive Brake, Mico - Machines Built From 1992 to Present
3.6 Governor Checks and Adeco Adjustment, LRG423 & LRG425 
3.7 Throttle Checks and Precision Governor Adjustments, LSG-423 & LRG-425 
3.8 E331 Precision Governor And Adjustments - Ford Engines 
3.9 Automatic Choke Adjustment - Ford Engine 
3.10 Cold Weather Starting Difficulty 
3.11 Throttle Checks and Adjustments - Deutz Engine 
3.12 Swing Bearing 
3.13 Oscillating Axle Bleeding Procedure. 
3.14 Oscillating Axle Lockout Test 
3.15 Free Wheeling Option 
3.16 Spark Arrestor Mufflers
3.17 Footswitch Adjustment 
3.18 Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication 
3.19 Dual Fuel System 

SECTION 4 - BOOM & PLATFORM
4.1 Boom Maintenance 
4.2 Boom Chains
4.3 Wear Pads 
4.4 Telescope Cylinder Eccentric Bushing
4.5 Horizontal High Speed Cutout Switch Adjustment Procedure
4.6 Controllers
4.7 Capacity Indicator 
4.8 Basket Rotator Brake 

SECTION 5 - HYDRAULICS
5.1 Cylinders - Theory Of Operation 
5.2 Valves - Theory Of Operation 
5.3 Cylinder Checking Procedure
5.4 Cylinder Repair 
5.5 Cylinder Removal and Installation 
5.7 Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
5.8 Racine Proportional Air Gap Adjustment 
5.9 Pressure Setting Procedures

SECTION 6 - TROUBLESHOOTING & SCHEMATICS
6.1 General 
6.2 Troubleshooting Information
6.3 Hydraulic Circuit Checks

LIST OF FIGURES
LIST OF TABLES


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Part Number : 3120271
Total Pages : 176


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 !!!! 

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