JLG 260MRT Scissor Lift Service & Maintenance Manual (CE)

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This service manual PDF download for the 260MRT JLG Scissor 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. 


TABLE OF CONTENTS :

Section 1. Specifications
    1.1 Specifications
    1.2 Capacities
    1.3 Component Data
    1.4 Lubrication
    1.5 Lubrication Specifications
    1.6 Cylinder Specifications
    1.7 Pressure Settings
    1.8 Limit Switches
    1.9 Major Component Weights
    1.10 Critical Stability Weights
    1.11 Serial Number Locations
    1.12 Torque Charts
    
Section 2. Procedures
    2.1 General
    2.2 Servicing and Maintenance Guidelines
    2.3 Lubrication Information
    2.4 Cylinders - Theory of Operation
    2.5 Valves - Theory of Operation
    2.6 Component Functional Description
    2.7 Wear Pads
    2.8 Cylinder Checking Procedures
    2.9 Lift Cylinder Removal and Installation
    2.10 Cylinder Repair
    2.11 Steer Cylinder Repair
    2.12 Limit Switch Adjustment
    2.13 Pressure Setting Procedures
    2.14 Drive Pump Start-up Procedure
    2.15 Automatic Choke - Field Adjustment (DF-750)
    2.16 Joystick Controller
    2.17 Tilt Sensor
    2.18 Calibrations
    2.19 Electronic Control System
    2.20 Flash Codes and Descriptions
    2.21 Machine Model Adjustment
    2.22 Machine Configuration Programming Information
    2.23 Preventive Maintenance and Inspection Schedule
    
Section 3. General Electrical Information & Schematics
    3.1 General
    3.2 Multimeter Basics
    3.3 Applying Silicone Dielectric Compound To Amp Connectors
    3.4 Working With Deutsch Connectors
    3.5 Switches
    3.6 Troubleshooting
        
LIST OF FIGURES
LIST OF TABLES


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121801
Total Pages : 106


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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Section A. Introduction - Maintenance Safety Precautions
    A General
    B Hydraulic System Safety
    C Maintenance
    
Section 1. Specifications
    1.1 Specifications
    1.2 Capacities
    1.3 Component Data
        Engine
        Tires
        Pumps
        Steer/Drive System
        Hydraulic Filter - Inline
        Torque Requirement
    1.4 Lubrication
        Hydraulic Oil
    1.5 Lubrication Specifications
    1.6 Cylinder Specifications
    1.7 Pressure Settings
    1.8 Limit Switches
    1.9 Major Component Weights
    1.10 Critical Stability Weights
    1.11 Serial Number Locations
    1.12 Torque Charts
    
Section 2. Procedures
    2.1 General
    2.2 Servicing and Maintenance 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
        Batteries
        Lubrication and Servicing
    2.3 Lubrication Information
        Hydraulic System
        Hydraulic Oil
        Changing Hydraulic Oil
        Lubrication Specifications
    2.4 Cylinders - Theory of Operation
    2.5 Valves - Theory of Operation
        Solenoid Control Valves (Bang-Bang)
        Proportional Control Valves
        Relief Valves
        Crossover Relief Valves
    2.6 Component Functional Description
        Hydraulic Pump
        Lift Cylinder Counterbalance/Manual Descent Valve
    2.7 Wear Pads
        Sliding Pads
    2.8 Cylinder Checking Procedures
        Cylinder w/o Counterbalance Valves - Steer Cylinder
        Cylinders w/Single Counterbalance Valves - Lift Cylinder
    2.9 Lift Cylinder Removal and Installation
        Removal
        Installation
    2.10 Cylinder Repair
        Disassembly
        Cleaning and Inspection
        Assembly
    2.11 Steer Cylinder Repair
        Removal
        Disassembly
        Cleaning and Inspection
        Assembly
        Installation
    2.12 Limit Switch Adjustment
        Platform Limit Switch
    2.13 Pressure Setting Procedures
        Main Pressure Adjustment
        Lift Relief Adjustments
        Steer Relief Adjustment
        Leveling Jack Relief Adjustment
        Main Valve Components
        Leveling Jacks Directional Valve
    2.14 Drive Pump Start-up Procedure
    2.15 Automatic Choke - Field Adjustment (DF-750)
        Inspection
        Adjustments
        Reassembly
        Diesel Engine
    2.16 Joystick Controller
    2.17 Tilt Sensor
        Tilt Sensor, JLG P/N 4000006:
        Tilt Sensor, JLG P/N 4000021:
    2.18 Calibrations
        Tilt Sensor Calibration:
        Joystick Calibration (Software 1.5 and Higher and Higher)
    2.19 Electronic Control System
        Hand Held Analyzer
        To Connect the Hand Held Analyzer
        Using the Analyzer
        Changing the Access Level of the Hand Held Analyzer
        Adjusting Parameters Using the Hand Held Analyzer
        Machine Setup
    2.20 Flash Codes and Descriptions
    2.21 Machine Model Adjustment
    2.22 Machine Configuration Programming Information
    2.23 Preventive Maintenance and Inspection Schedule
    
Section 3. General Electrical Information & Schematics
    3.1 General
    3.2 Multimeter Basics
        Grounding
        Backprobing
        Min/Max
        Polarity
        Scale
        Continuity Measurement Over Long Distances
        Requirements:
        Procedure
    3.3 Applying Silicone Dielectric Compound To Amp Connectors
        Assembly
        Disassembly
        Wedge Lock
        Service - Voltage Reading
    3.4 Working With Deutsch Connectors
        DT/DTP Series Assembly
        DT/DTP Series Disassembly
        HD30/HDP20 Series Assembly
        HD30/HDP20 Series Disassembly
    3.5 Switches
        Basic check
        Limit Switches
        Automatic Switches
        Switch Wiring - Low Side, High Side
    3.6 Troubleshooting
        General
        Troubleshooting Information
        Hydraulic Circuit Checks
        
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