JLG 3706PS, 3707PS, 4014PS, 4017PS, 37.6, 37.7 Telehandlers Service Manual (CE)

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This service manual PDF download for the 3706PS, 3707PS, 4014PS, 4017PS, 37.6, 37.7 JLG Telehandlers 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 3706PS
JLG 3707PS
JLG 4014PS
JLG 4017PS
JLG Agrovector 37.6
JLG Agrovector 37.7

37.6, 37.7, 3706PS, 3707PS & 4014PS
S/N 1160006593 & After

4017PS
S/N 1160006867 & After including
1160006594, 1160006604, 1160006748,
1160006752, 1160006755, 1160006756


TABLE OF CONTENTS :

    Section 1 Safety Practices
        1.1 Introduction
        1.2 Disclaimer
        1.3 Operation & Safety Manual
        1.4 Do Not Operate Tags
        1.5 Safety Information
        1.6 Safety Alert System and Signal Words
        1.7 Safety Instructions
        1.8 Safety Decals
        
    Section 2 General Information and Specifications
        2.1 Replacement Parts and Warranty Information
        2.2 Torque Charts
        2.3 Specifications
        2.4 Fluids, Lubricants and Capacities
        2.5 Service and Maintenance Schedules
        2.6 Lubrication Schedule
            
    Section 3 Boom
        3.1 Boom System Component Terminology - 3706PS, 3707PS, 36.6 & 37.7
        3.2 Boom System - Two Section
        3.3 Boom Assembly Maintenance
        3.4 Boom System Component Terminology - 4014PS
        3.5 Boom System - Three Section
        3.6 Boom Assembly Maintenance
        3.7 Boom Chain Removal/ Installation
        3.8 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation
        3.9 Extend/Retract Cylinder Removal/Installation
        3.10 Boom Sections Adjustment
        3.11 Boom System Component Terminology - 4017PS
        3.12 Boom System - Four Section Boom
        3.13 Boom Assembly Maintenance
        3.14 Boom Chain Removal/ Installation
        3.15 Boom Sections Adjustment
        3.16 Boom Extend and Retract Chains - 4014PS & 4017PS
        3.17 Boom Wear Pads
        3.18 Quick Coupler
        3.19 Forks
        3.20 Boom Prop (If Equipped)
        3.21 Emergency Boom Lowering Procedure
        3.22 Troubleshooting
        
    Section 4 Cab and Covers
        4.1 Operator Cab and Covers Component Terminology
        4.2 Operator Cab
        4.3 Cab Components
        4.4 Cab Removal
        4.5 Cab Installation
        
    Section 5 Axles, Drive Shafts, Wheels and Tires
        5.1 Axle, Drive Shaft and Wheel Component Terminology
        5.2 Axle Serial Number
        5.3 Axle Specifications and Maintenance Information
        5.4 Axle Replacement
        5.5 Mechanical Park Brake
        5.6 Hydraulic Park Brake
        5.7 Brake Inspection
        5.8 Steering Angle Adjustment
        5.9 Axle Assembly and Drive Shaft Troubleshooting
        5.10 Drive Shafts
        5.11 Wheels and Tires
        5.12 Towing a Disabled Machine
        
    Section 6 Transmission
        6.1 Transmission Assembly Component Terminology
        6.2 Transmission Serial Number
        6.3 Specifications and Maintenance Information
        6.4 Transmission Replacement
        6.5 Torque Convertor Diaphragm
        6.6 Troubleshooting
        
    Section 7 Engine
        7.1 Introduction
        7.2 Engine Serial Number
        7.3 Specifications and Maintenance Information
        7.4 Engine Cooling System
        7.5 Engine Electrical System
        7.6 Fuel System
        7.7 Engine Exhaust System
        7.8 Air Cleaner Assembly
        7.9 Engine Replacement
        7.10 Troubleshooting
        
    Section 8 Hydraulic System
        8.1 Hydraulic Component Terminology
        8.2 Safety Information
        8.3 Specifications
        8.4 Hydraulic Pressure Diagnosis
        8.5 Hydraulic Circuits
        8.6 Hydraulic Schematics
        8.7 Hydraulic Reservoir
        8.8 Engine Implement Pump
        8.9 Auxiliary Pump (Platform Equipped Models Only)
        8.10 Control Valves
        8.11 Hydraulic Cylinders
        8.12 Boom Ride Control (3706PS, 3707PS, 37.6 & 37.7 - If Equipped)
            
    Section 9 Electrical System
        9.1 Electrical Component Terminology
        9.2 Specifications
        9.3 Safety Information
        9.4 Keypad and Display Screen
        9.5 Software Level 2 Accessibility
        9.6 Operator Tools
        9.7 Fuses and Relays
        9.8 Electrical System Schematics
        9.9 Circuit Breakdowns
        9.10 Engine Start Circuit
        9.11 Window Wiper/Washer Windshield Wiper Motor
        9.12 Solenoids, Sensors and Senders
        9.13 Dash Switches
        9.14 Platform Interlock Checks
        9.15 Platform Load System Check
        9.16 Load Stability Indicator (LSI) (CE & AUS)
        9.17 Hand Held Analyzer
        9.18 Fault Codes


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 31200800
Total Pages : 262


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31200800 C JLG 3706PS, 3707PS, 4014PS, 4017PS, 37.6, 37.7 Service Manual
    Effectivity Page
    Table of Contents
    
    Section 1 Safety Practices
        1.1 Introduction
        1.2 Disclaimer
        1.3 Operation & Safety Manual
        1.4 Do Not Operate Tags
        1.5 Safety Information
        1.6 Safety Alert System and Signal Words
        1.7 Safety Instructions
            1.7.1 Personal Hazards
            1.7.2 Equipment Hazards
            1.7.3 General Hazards
            1.7.4 Operational Hazards
        1.8 Safety Decals
        
    Section 2 General Information and Specifications
        2.1 Replacement Parts and Warranty Information
        2.2 Torque Charts
            2.2.1 SAE Fastener Torque Chart
            2.2.2 Metric Fastener Torque Chart
            2.2.3 Hydraulic Hose Torque Chart
        2.3 Specifications
            2.3.1 Travel Speeds
            2.3.2 Hydraulic Cylinder Performance
            2.3.3 Platform Hydraulic Performance Specifications
            2.3.4 Electrical System
            2.3.5 Engine Fan Speed
            2.3.6 Engine Performance Specifications
            2.3.7 Transmission Performance Specifications
            2.3.8 Tires
        2.4 Fluids, Lubricants and Capacities
            2.4.1 3706PS, 3707PS, 4014PS & 4017PS
            2.4.2 37.6 & 37.7
        2.5 Service and Maintenance Schedules
            2.5.1 10 & 1st 50 Hour
            2.5.2 50 & 1st 250 Hour
            2.5.3 250 & 500 Hour
            2.5.4 1000, 1500 & 3000 Hour
        2.6 Lubrication Schedule
            2.6.1 50 Hour Lubrication Schedule
            2.6.2 500 Hour Lubrication Schedule
            
    Section 3 Boom
        3.1 Boom System Component Terminology - 3706PS, 3707PS, 36.6 & 37.7
        3.2 Boom System - Two Section
            3.2.1 Boom System Operation
        3.3 Boom Assembly Maintenance
            3.3.1 Complete Boom Removal
            3.3.2 Complete Boom Installation
            3.3.3 Second Section Boom Removal
            3.3.4 First Boom Section Removal
            3.3.5 Extend/Retract Cylinder Removal
            3.3.6 Extend/Retract Cylinder Installation
            3.3.7 First Boom Section Installation
            3.3.8 Second Boom Section Installation
        3.4 Boom System Component Terminology - 4014PS
        3.5 Boom System - Three Section
            3.5.1 Boom System Operation
        3.6 Boom Assembly Maintenance
            3.6.1 Boom Removal
            3.6.2 Second and Third Boom Section Removal
            3.6.3 Third Boom Section and Extend/ Retract Cylinder Removal
            3.6.4 Third Boom Section and Extend/ Retract Cylinder Installation
            3.6.5 Second and Third Boom Section Installation
            3.6.6 Complete Boom Installation
        3.7 Boom Chain Removal/ Installation
            3.7.1 Retract Chain Removal
            3.7.2 Retract Chain Installation
            3.7.3 Extend Chain Removal
            3.7.4 Extend Chain Installation
        3.8 Extend/Retract, Tilt and Auxiliary Circuit Hose Removal/Installation
            3.8.1 Extend/Retract Hose Removal
            3.8.2 Extend/Retract Hose Installation
            3.8.3 Tilt/Auxiliary Hose Removal
            3.8.4 Tilt/Auxiliary Hose Installation
        3.9 Extend/Retract Cylinder Removal/Installation
            3.9.1 Extend/Retract Cylinder Removal
            3.9.2 Extend/Retract Cylinder Installation
        3.10 Boom Sections Adjustment
            3.10.1 Chain Adjustments
        3.11 Boom System Component Terminology - 4017PS
        3.12 Boom System - Four Section Boom
            3.12.1 Boom System Operation
        3.13 Boom Assembly Maintenance
            3.13.1 Boom Removal
            3.13.2 Second, Third and Fourth Boom Section Removal
            3.13.3 Third and Fourth Boom Section Removal
            3.13.4 Fourth Boom Section Removal
            3.13.5 Hose Carrier Removal
            3.13.6 Hose Carrier Installation
            3.13.7 Fourth Boom Section Installation
            3.13.8 Third and Fourth Boom Section Installation
            3.13.9 Second, Third and Fourth Boom Section Installation
            3.13.10 Complete Boom Installation
        3.14 Boom Chain Removal/ Installation
        3.15 Boom Sections Adjustment
            3.15.1 Chain Adjustments
        3.16 Boom Extend and Retract Chains - 4014PS & 4017PS
            3.16.1 Boom Chain Inspection
            3.16.2 Inspection Guidelines - 4014PS
            3.16.3 Inspection Guidelines - 4017
            3.16.4 Expose Chains for Inspection
            3.16.5 Chain Lubrication
        3.17 Boom Wear Pads
            3.17.1 Wear Pad Inspection
            3.17.2 Boom Wear Pad Installation/ Lubrication
        3.18 Quick Coupler
            3.18.1 Quick Coupler Removal (3706PS, 3707PS, 37.6 & 37.7)
            3.18.2 Quick Coupler Installation (3706PS, 3707PS, 37.6 & 37.7)
            3.18.3 Quick Coupler Removal (4014PS & 4017PS)
            3.18.4 Quick Coupler Installation (4014PS & 4017PS)
        3.19 Forks
        3.20 Boom Prop (If Equipped)
            3.20.1 Installation and Removal Procedures
        3.21 Emergency Boom Lowering Procedure
            3.21.1 Equipment and Supplies Required
            3.21.2 Lowering Procedure
        3.22 Troubleshooting
        
    Section 4 Cab and Covers
        4.1 Operator Cab and Covers Component Terminology
        4.2 Operator Cab
            4.2.1 Operator Cab Safety
            4.2.2 Serial Number Plate
        4.3 Cab Components
            4.3.1 Steering Wheel
            4.3.2 Steering Column/Orbitrol Valve
            4.3.3 Service Brake
            4.3.4 Electronic Throttle Pedal
            4.3.5 Joystick Assembly
            4.3.6 Window Wiper Assembly
            4.3.7 Heater/Air Conditioning System (if Equipped)
            4.3.8 Cab Heater/Air Conditioning Controls
            4.3.9 Air Conditioning (if Equipped)
        4.4 Cab Removal
        4.5 Cab Installation
        
    Section 5 Axles, Drive Shafts, Wheels and Tires
        5.1 Axle, Drive Shaft and Wheel Component Terminology
        5.2 Axle Serial Number
        5.3 Axle Specifications and Maintenance Information
        5.4 Axle Replacement
            5.4.1 Axle Removal
            5.4.2 Axle Installation
        5.5 Mechanical Park Brake
            5.5.1 Mechanical Park Brake Removal
            5.5.2 Mechanical Park Brake Installation
            5.5.3 Mechanical Park Brake Adjustment
        5.6 Hydraulic Park Brake
            5.6.1 Park Brake Test
        5.7 Brake Inspection
        5.8 Steering Angle Adjustment
        5.9 Axle Assembly and Drive Shaft Troubleshooting
        5.10 Drive Shafts
            5.10.1 Drive Shaft Inspection
            5.10.2 Drive Shaft Maintenance
            5.10.3 Drive Shaft Removal
            5.10.4 Drive Shaft Cleaning and Drying
            5.10.5 Drive Shaft Installation
        5.11 Wheels and Tires
            5.11.1 Removing Wheel and Tire Assembly from Machine
            5.11.2 Installing Wheel and Tire Assembly onto Machine
        5.12 Towing a Disabled Machine
        
    Section 6 Transmission
        6.1 Transmission Assembly Component Terminology
        6.2 Transmission Serial Number
        6.3 Specifications and Maintenance Information
        6.4 Transmission Replacement
            6.4.1 Transmission Removal
            6.4.2 Transmission Installation
            6.4.3 After Transmission Service or Replacement
            6.4.4 Transmission Torque Converter Stall Test
        6.5 Torque Convertor Diaphragm
            6.5.1 Torque Convertor Diaphragm Removal/Installation
        6.6 Troubleshooting
        
    Section 7 Engine
        7.1 Introduction
            7.1.1 Disclaimer and Scope
        7.2 Engine Serial Number
        7.3 Specifications and Maintenance Information
            7.3.1 Component Terminology
        7.4 Engine Cooling System
            7.4.1 Surge Tank Cap
            7.4.2 Thermostat Replacement
            7.4.3 Radiator Assembly Replacement
        7.5 Engine Electrical System
        7.6 Fuel System
            7.6.1 Diesel Fuel
            7.6.2 Fuel Tank
            7.6.3 After Fuel System Service
        7.7 Engine Exhaust System
            7.7.1 Exhaust System Removal—ULS
            7.7.2 Exhaust System Installation—ULS
            7.7.3 Exhaust System Removal—LS
            7.7.4 Exhaust System Installation—LS
        7.8 Air Cleaner Assembly
            7.8.1 Air Cleaner Assembly Removal
            7.8.2 Air Cleaner Assembly Installation
        7.9 Engine Replacement
            7.9.1 Engine/Transmission Removal
            7.9.2 Transmission Removal/Installation
            7.9.3 Engine Disassembly, Inspection and Service
            7.9.4 Engine/Transmission Installation
        7.10 Troubleshooting
        
    Section 8 Hydraulic System
        8.1 Hydraulic Component Terminology
        8.2 Safety Information
        8.3 Specifications
        8.4 Hydraulic Pressure Diagnosis
            8.4.1 Pressure Checks and Adjustments
        8.5 Hydraulic Circuits
            8.5.1 Hydraulic Pressures
        8.6 Hydraulic Schematics
            8.6.1 3706PS, 3707PS, 37.6 & 37.7
            8.6.2 4014PS & 4017PS
        8.7 Hydraulic Reservoir
            8.7.1 Hydraulic Oil Reservoir Draining
            8.7.2 Hydraulic Oil Reservoir Filling
            8.7.3 Hydraulic Oil Reservoir Removal/ Installation
        8.8 Engine Implement Pump
            8.8.1 Pump Replacement
        8.9 Auxiliary Pump (Platform Equipped Models Only)
            8.9.1 Auxiliary Pump Description
            8.9.2 Auxiliary Pump Replacement
        8.10 Control Valves
            8.10.1 Main Control Valve
            8.10.2 Reversing Fan Valve
            8.10.3 Service Brake Valve
            8.10.4 Service Brake Bleeding
            8.10.5 Service Brake Test
            8.10.6 Steering Orbitrol Valve
            8.10.7 Steer Select Valve
        8.11 Hydraulic Cylinders
            8.11.1 General Cylinder Removal Instructions
            8.11.2 Cylinder Pressure Checking
            8.11.3 Steering Cylinders
            8.11.4 Cylinder Torque Specifications
        8.12 Boom Ride Control (3706PS, 3707PS, 37.6 & 37.7 - If Equipped)
            8.12.1 General Accumulator Information
            8.12.2 Accumulators
            8.12.3 Pre-Charging Accumulator
            8.12.4 Checking Pre-Charge
            
    Section 9 Electrical System
        9.1 Electrical Component Terminology
            9.1.1 General Overview
        9.2 Specifications
        9.3 Safety Information
        9.4 Keypad and Display Screen
            9.4.1 Keypad
            9.4.2 Display Screen
        9.5 Software Level 2 Accessibility
            9.5.1 Operator Tools
            9.5.2 Personalities
            9.5.3 Calibration
        9.6 Operator Tools
            9.6.1 Resetting the Anti theft Code
            9.6.2 Hardware Exchange
            9.6.3 Confirm Machine Service
            9.6.4 Review Service History
            9.6.5 Set Service Interval
            9.6.6 Cabin Joystick Telescope: X-Axis/ Roller
        9.7 Fuses and Relays
            9.7.1 Engine Compartment
            9.7.2 Power Distribution Board
        9.8 Electrical System Schematics
            9.8.1 Cab Harness Electrical Schematic 1 of 3
            9.8.2 Cab Roof, Ride, Float and Boom Extend LImit
            9.8.3 Power Distribution Board
            9.8.4 Transmission and Reverse Fan
            9.8.5 Front Frame and Boom Options
            9.8.6 Rear Frame
            9.8.7 Battery
            9.8.8 Platform
            9.8.9 LMIS
            9.8.10 Deutz Engine
        9.9 Circuit Breakdowns
            9.9.1 Constant Power Circuit from Battery
            9.9.2 Start Circuit
        9.10 Engine Start Circuit
            9.10.1 Starter
            9.10.2 Charging Circuit
            9.10.3 Alternator
        9.11 Window Wiper/Washer Windshield Wiper Motor
            9.11.1 Windshield Wiper Motor
            9.11.2 Rear and Roof Window Wiper Motor
            9.11.3 Windshield/Rear Window/Roof Window Washer Reservoir
        9.12 Solenoids, Sensors and Senders
            9.12.1 Transmission Solenoid Valves
            9.12.2 Transmission Oil Temperature Switch
            9.12.3 Transmission Mounted Speed Sensor
            9.12.4 Engine Coolant Temperature Sensor
            9.12.5 Fuel Level Sender
            9.12.6 Front and Rear Axle Steering Sensors
            9.12.7 Boom Angle Sensor
            9.12.8 Back-up Alarm
        9.13 Dash Switches
            9.13.1 Ignition Key Switch
            9.13.2 Dash Switches
        9.14 Platform Interlock Checks
        9.15 Platform Load System Check
        9.16 Load Stability Indicator (LSI) (CE & AUS)
            9.16.1 Load Stability Indicator
            9.16.2 LSI Sensor
            9.16.3 LSI System Calibration
            9.16.4 LSI-CAN Check PT
            9.16.5 500 Hour - LSI UGM Calibration Check
        9.17 Hand Held Analyzer
            9.17.1 Analyzer Usage
            9.17.2 Analyzer Software Version P4.5
        9.18 Fault Codes
            9.18.1 Indicator Cross Reference Table
            9.18.2 Machine Fault Codes
            9.18.3 Engine Fault Codes
            
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