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JLG Model 80HX 80HX+6 80HXER Service and Maintenance Manual 3120271

Download JLG Model 80HX 80HX+6 80HXER Repair Service and Maintenance Manual.PDF

This can be the Almost all Functional Services Repair Guide for that JLG 80HX, 80HX+6, 80HXER Working area Services Repair Guide Acquire previously compiled by mankind. This kind of OBTAIN contains of good quality diagrams along with guidance on how to be able to services along with restoration ones JLG.

JLG80HX

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Repair Manual Covers:

1.SECTION A. INTRODUCTION – MAINTENANCE SAFETY PRECAUTIONS

This section contains the general safety precautions which must be observed during maintenance of the aerial platform. It is of utmost importance that maintenance personnel pay strict attention to these warnings and precautions to avoid possible injury to themselves or others, or damage to the equipment. A maintenance program must be followed to ensure that the machine is safe to operate.

TABLE OF CONTENTS

SECTION 1 – SPECIFICATIONS

  • 1.1 Capacities
  • 1.2 Component Data
  • Engine – Ford LSG423
  • Engine – Deutz F4L912
  • Engine – Wisconsin V465D
  • Engine – Cummins 4B 3.9C
  • Engine – Ford LRG-423
  • Engine – Ford LRG-425
  • Drive System
  • Drive Motor Displacement Machines Built Prior to Jan. 1992
  • Drive Motor Displacement Machines Built from Jan. 1992 to Present
  • Drive Hub Ratios
  • Steer System
  • Swing System
  • Hydraulic Pump
  • Auxiliary Power Pump
  • Hydraulic Filter – Tank.
  • Hydraulic Filter – Inline (Racine Valve Only)
  • 1.3 Performance Data
  • Travel Speed
  • Gradeability
  • Turning Radius (Outside)
  • Boom Speed (Telescope)
  • Boom Speed (Lift)
  • Swing Speed 360°
  • Boom Elevation
  • Machine Weight
  • Machine Stowed Height
  • Machine Stowed Length
  • Machine Width
  • Maximum Tire Load
  • Wheelbase
  • 1.4 Torque Requirements
  • 1.5 Lubrication
  • Ford Engines
  • Deutz F4L912 Engine
  • Wisconsin V465D Engine
  • Cummins 4B 3.9C.
  • Lubrication Specifications
  • 1.6 Pressure Settings
  • Prior to Mid 1987
  • 80 HX
  • 80HX w/Hydraulic Controls
  • 80HX w/Oscillating Axle
  • 1.7 Major Components Weights
  • 1.8 Cylinder Specifications
  • AND MORE…

SECTION 2 – GENERAL

This section provides the necessary information needed by those personnel that are responsible to place the machine in operation readiness and maintain its safe operating condition. For maximum service life and safe operation, ensure that all the necessary inspections and maintenance have been completed before placing the machine into service.

  • 2.1 Machine Preparation, Inspection, and Maintenance
  • General
  • Preparation, Inspection, and Maintenance
  • Pre-Start Inspection
  • Pre-Delivery Inspection and Frequent Inspection
  • Annual Machine Inspection
  • Preventative Maintenance
  • 2.2 Service and Guidelines
  • General
  • Safety and Workmanship
  • Cleanliness.
  • Components Removal and Installation
  • Component Disassembly and Reassembly
  • Pressure-Fit Parts
  • Bearings
  • Gaskets
  • Bolt Usage and Torque Application
  • Hydraulic Lines and Electrical Wiring
  • Hydraulic System.
  • Lubrication
  • Battery
  • Lubrication and Servicing
  • 2.3 Lubrication and Information
  • Hydraulic System.
  • Hydraulic Oil
  • Changing Hydraulic Oil
  • Lubrication Specifications
  • 2.4 Cylinder Drift Test
  • Platform Drift.
  • Cylinder Drift
  • 2.5 Pins and Composite Bearing Repair Guidelines
  • 2.6 Welding on JLG Equipment
  • Do the Following When Welding on JLG Equipment
  • Do NOT Do the Following When 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 .
  • Disassembly.
  • Cleaning and Inspection .
  • Repair
  • Input Shaft Assembly
  • Assembly
  • SUBJECT – SECTION, PARAGRAPH PAGE NO.
  • 3.2 Drive Brake, Ausco – Machines Built Prior to October 1987
  • Disassembly.
  • Cleaning and Inspection
  • Assembly
  • 3.3 Drive Brake, Mico – Machines Built Prior to October 1987
  • Disassembly
  • Inspection
  • Assembly
  • Bleeding
  • 3.4 Drive Brake, Ausco – Machines Built Prior to 1992
  • Disassembly
  • Cleaning and Inspection
  • Assembly
  • 3.5 Drive Brake, Mico – Machines Built From 1992 to Present .
  • Disassembl
  • Inspection
  • Assembly
  • 3.6 Governor Checks and Adeco Adjustment, LRG423 & LRG425
  • Checks
  • Adjustments
  • 3.7 Throttle Checks and Precision Governor Adjustments, LSG-423 & LRG-425
  • Checks
  • Carburetor and Governor Adjustment
  • 3.8 E331 Precision Governor And Adjustments – Ford Engines
  • General.
  • Quick-start Installations
  • Mounting-Actuator
  • Linkage.
  • Mounting-Controller
  • Wiring
  • Power Distribution
  • Check-Out and Initial Start-Up Procedures.
  • Troubleshooting
  • Automatic Choke Adjustment Procedure
  • 3.9 Automatic Choke Adjustment – Ford Engine
  • 3.10 Cold Weather Starting Difficulty
  • Checking the Carburetor
  • Checking the Ignition
  • Checking the Fuel
  • 3.11 Throttle Checks and Adjustments – Deutz Engine
  • 3.12 Swing Bearing
  • Turntable Bearing Mounting Bolt Condition Check .
  • Wear Tolerance
  • Replacement and Devcon Application Procedures on Machines Built Prior to Mid 1991 . . 3-35
  • Swing Bearing Torque Values
  • 3.13 Oscillating Axle Bleeding Procedure.
  • Lockout Cylinder Bleeding (Without Holding Valves)
  • Lockout Cylinder Bleeding (With Holding Valves)
  • 3.14 Oscillating Axle Lockout Test
  • 3.15 Free Wheeling Option
  • To Disengage Drive Motors and Brakes (Free Wheel) for Towing, etc.
  • To Engage Drive Motors and Brakes (Normal Operation)
  • 3.16 Spark Arrestor Mufflers
  • 3.17 Footswitch Adjustment
  • SUBJECT – SECTION, PARAGRAPH PAGE NO.
  • 3.18 Hydraulic Pump W/Hayes Pump Drive Coupling Lubrication
  • 3.19 Dual Fuel System
  • Changing from gasoline to LP-Gas
  • Changing from LP Gas to Gasoline.

SECTION 4 – BOOM & PLATFORM

  • 4.1 Boom Maintenance
  • Removal
  • Disassembly.
  • Inspection
  • Assembly
  • Installation
  • 4.2 Boom Chains
  • Adjusting Procedures
  • Inspection Procedures
  • 4.3 Wear Pads .
  • 4.4 Telescope Cylinder Eccentric Bushing.
  • 4.5 Horizontal High Speed Cutout Switch Adjustment Procedure.
  • 4.6 Controllers
  • PQ .
  • OEM.
  • VICKERS (All Hydraulic)
  • 4.7 Capacity Indicator
  • Capacity Indicator Cable Adjustment .
  • Capacity Indicator Boom Tape Replacement
  • Installation Procedure
  • Capacity Indicator Dial Decal Replacement
  • Indicator Decal Installation
  • 4.8 Basket Rotator Brake

SECTION 5 – HYDRAULICS

  • 5.1 Cylinders – Theory Of Operation
  • Double Acting Cylinders
  • 5.2 Valves – Theory Of Operation
  • Holding Valves.
  • Solenoid Control Valves (Bang-Bang)
  • Proportional Control Valve – Vickers
  • Main Relief Valves
  • Relief Valves
  • 5.3 Cylinder Checking Procedure.
  • Cylinders Without Counterbalance Valves
  • Cylinders With Single Counterbalance Valve
  • Cylinders With Dual Counterbalance Valves
  • 5.4 Cylinder Repair
  • Disassembly.
  • Cleaning and Inspection
  • Assembly .
  • 5.5 Cylinder Removal and Installation
  • Telescope Cylinder Removal
  • Telescope Cylinder Installation
  • Boom Lift Cylinder Removal .
  • Boom Lift Cylinder Installation

AND MORE

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