JLG 67SL Boom Lift Service and Maintenance Manual (ANSI)

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This service manual PDF download for the 67SL JLG 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. 


TABLE OF CONTENTS :

    Section A. Introduction - Maintenance Safety Precautions
    Section 1. Specifications
    Section 2. General
    Section 3. Chassis, Platform & Scissor Arms
    Section 4. Hydraulics
    Section 5. JLG Control System
    Section 6. General Electrical Information & Schematics


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121322
Total Pages : 152


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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Service & Maintenance Manual
    Section A. Introduction - Maintenance Safety Precautions
    
        A. General
        B. Hydraulic System Safety
        C. Maintenance
        
    Section 1. Specifications
        1.1 Operating Specifications
        1.2 Dimensional Data
        1.3 Capacities
        1.4 Engine
            Battery
        1.5 Tires
        1.6 Torque Requirements
        1.7 Limit Switches
            Platform Stowed/Jacks Retract Limit Switch
            High Drive Speed Cutout Limit Switch
            Maximum Drive Height/Maximum Height without Outriggers Limit Switch
            Maximum Height Limit Switch
            Tilt Sensor
            Outrigger Interlock Sensors
        1.8 Pressure Setting
        1.9 Major Component Weights
        1.10 Critical Stability Weights
        1.11 Lubrication
        
    Section 2. General
        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 Operator Maintenance
        2.5 Cylinder Drift Test
            Lift Cylinder Drift
        2.6 Preventive Maintenance and Inspection Schedule
        
    Section 3. Chassis, Platform & Scissor Arms
        3.1 Operating Characteristics
            Leveling Jacks
        3.2 Wheel Assembly
            Drive System
            Drive Hub
            Roll Test
            Leak Test
            Lubricant
            Tire Replacement
            Wheel Replacement
            Drive Motor
            Motor Disassembly
            Motor Assembly
        3.3 Steering Assembly
        3.4 Rear Axle Assembly
        3.5 Outrigger Cylinder Removal
        3.6 Engine Compartment
            Hood Assembly
            Deutz Engine
            Engine Tray Slide
            Glow Plugs
            Engine Solenoid
            Gear Pump Assembly
            Exhaust Pipe Assembly
            Air Filter Assembly
            Engine Removal
            Hydraulic Tank
            Pressure Filter
        3.7 Fuel Tank
        3.8 Ground Control Panel
        3.9 Battery Removal
        3.10 Platform
            Platform Control Box
            Joystick Controller
            Receptacles
            Extension End Rails
            Extension Side Rails
            Main Platform End Rails
            Main Platform Side Rails
            Platform Removal
        3.11 Ladder Installation
        3.12 Beacon Installation (Option)
        3.13 Scissor Arms
            Limit Switches
            Scissor Arm Assembly Removal
            Lift Cylinder Removal
            Scissor Arms Disassembly
            
    Section 4. Hydraulics
        4.1 Cylinders - Theory of Operation
            Deck Extension Cylinder:
            Lift Cylinder:
            Outrigger Cylinders:
            Steer Cylinder:
        4.2 Valves - Theory of Operation
            Solenoid Control Valves (Bang-Bang)
            Relief Valves
            Crossover Relief Valves
            Proportional Valve
        4.3 Cylinder Checking Procedure
        4.4 Cylinder Repair
            Disassembly
            Cleaning and Inspection
            Assembly
        4.5 Valves
            Valve Compartment
            Pressure Switch, Drive Enable
            Brake Valve
            Main Valve Block
            Steering Valve
            Drive Valve
            Hand Pump
            Lift/Lower Valve Block
            Platform Lower Flow Valve
            Outrigger Safety Valves
            
    Section 5. JLG Control System
        5.1 Main Terminal Box Circuit Boards
        5.2 Control Card Complex 2
            General Description of Components and Functions
        5.3 Nivolux - Automatic Self-Leveling System
            Introduction
            The System
            Operation
            NIVOLUX Board LED’s
            Setting and Adjustment of the NIVOLUX Board
        5.4 PNP5 Circuit Board
            System
            Operation
            Adjustment
        5.5 Trigger Control Circuit Card
            Relay K1
            Relay K2
            Relay K3
        5.6 Limit Switch & Sensor Operation
            Height Limit Switches
            Tilt Switch
            Outrigger Limit Switches
            Pressure Switch
        5.7 Engine Control System
            Functional Description
            
    Section 6. General Electrical Information & Schematics
        6.1 General
        6.2 Multimeter Basics
            Grounding
            Backprobing
            Min/Max
            Polarity
            Scale
            Continuity Measurement Over Long Distances
            Requirements:
            Procedure
        6.3 Applying Silicone Dielectric Compound To Amp Connectors
            Assembly
            Disassembly
            Wedge Lock
            Service - Voltage Reading
        6.4 Working With Deutsch Connectors
            DT/DTP Series Assembly
            DT/DTP Series Disassembly
            HD30/HDP20 Series Assembly
            HD30/HDP20 Series Disassembly
            
        Electrical Schematic
        Electrical Diagram
        Hydraulic Diagram
        Hydraulic Schematic

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