JLG Scissor Lift ES4046 Service & Maintenance Manual 3122242600 2025

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JLG Scissor Lift ES4046 Service & Maintenance Manual 3122242600 2025
Size: 24.92 MB
Format: PDF
Language: English
Brand: JLG
Type of Machine: Scissor Lift
Type of Manual: Service & Maintenance Manual, Electrical and Hydraulic Diagrams
Model: JLG ES4046 Scissor Lift
Part Number: 3122242600
Publication Date: 2025
Number of Pages: 312 Pages

Contents:
Safety

General​

1.1.1 Disclaimer​

1.1.2 Operation & Safety Manual​

Safety Information​

1.2.1 Safety Alert System and Signal Words​

Safety Hazards​

1.3.1 Personal Hazards​

1.3.2 Equipment Hazards​

1.3.3 General Hazards​

1.3.4 Operational Hazards​

Safety Decals​

Machine Verification​

General Machine Information and Specifications

Specifications​

2.1.1 Machine Specification​

2.1.2 Machine Dimensional Data​

2.1.3 Platform Capacities​

2.1.4 Tires​

2.1.5 Batteries​

2.1.6 Battery Charger​

2.1.7 Motors​

2.1.8 Hydraulic Pressure Settings​

2.1.9 Hydraulic Cylinder Specifications​

2.1.10 Critical Stability Weights​

Serial Number Location​

Fluids and Lubrication​

2.3.1 Hydraulic System​

2.3.2 Hydraulic Oil​

2.3.3 Changing Hydraulic Oil​

2.3.4 Specifications​

2.3.5 Hydraulic Oil​

2.3.6 Capacities​

2.3.7 Fluids​

2.3.8 Lubrication Schedule​

Clearsky Smart Fleet (If Equipped)​

2.4.1 General​

2.4.2 ClearSky Smart Fleet™ — Access Control​

Maintenance and Inspection Schedules

Machine Preparation, Inspection, and Maintenance (task)​

3.1.1 General​

3.1.2 Preparation, Inspection, and Maintenance​

3.1.3 Pre-Start Inspection​

3.1.4 Pre-Delivery Inspection and Frequent Inspection​

3.1.5 Annual Machine Inspection​

3.1.6 Preventative Maintenance​

Service and Guidelines (task)​

3.2.1 General​

3.2.2 Safety and Workmanship​

3.2.3 Cleanliness​

3.2.4 Components Removal and Installation​

3.2.5 Component Disassembly and Reassembly​

3.2.6 Pressure-Fit Parts​

3.2.7 Bearings​

3.2.8 Gaskets​

3.2.9 Bolt Usage and Torque Application​

3.2.10 Lubrication​

3.2.11 Battery​

Preventive Maintenance and Inspection Schedule​

3.3.1 Maintenance and Inspection Schedule Codes:​

Pins and Composite Bearing Repair Guidelines (task)​

Tires and Wheels (concept)​

3.5.1 Tire Wear and Damage​

3.5.2 Wheel and Tire Replacement​

Battery Charger​

3.6.1 Battery Charging​

3.6.2 Lithium-Ion Batteries (If Equipped)​

3.6.3 Charger Indicator LEDs​

3.6.4 Battery Charger Maintenance​

3.6.5 Selecting a charge profile​

3.6.6 DC/AC Power Inverter Installation - Option​

Battery System Maintenance/Troubleshooting​

3.7.1 Battery Management System (BMS)​

3.7.2 State of Charge (SOC)​

3.7.3 Battery Status Indicator (LED)​

Pressure Setting Procedure​

3.8.1 Machine Model Pressure setting​

3.8.2 Main Relief Adjustment​

3.8.3 Steer Left Pressure Adjustment​

3.8.4 Steer Right Pressure Adjustment​

Testing, Calibrations and Special Procedures

Special Tools​

4.1.1 Multimeter​

4.1.2 Threadlocking Compound​

4.1.3 Tools Catalog​

Testing​

4.2.1 LSS Testing​

Calibration Procedures​

4.3.1 JLG Analyzer​

4.3.2 Calibration Preparation​

4.3.3 Load Sensing System (LSS) Calibration​

4.3.4 LSS Verification​

Special Procedures​

4.4.1 Scissor Arm - Safety Prop​

4.4.2 Drive Module Electrical Evaluation​

4.4.3 Drive Motor Electrical Evaluation​

4.4.4 AC Drive Motor Troubleshooting Notes​

4.4.5 Power Controller Troubleshooting Notes​

4.4.6 Joystick Controller​

4.4.7 Arms and Platform Positioning and Support​

4.4.8 Cylinder Checking Procedure​

4.4.9 Cylinder Drift Test​

4.4.10 Hydraulic Pressures​

4.4.11 Lithium-Ion Battery Troubleshooting Notes​

System Software

Load Sensing System (LSS)​

5.1.1 Theory of Operation​

5.1.2 Lift Cylinder - LSS Pressure Sensor Location​

5.1.3 LSS Connector Pin Assignments​

5.1.4 Personalities Menu​

5.1.5 Diagnostic Menu​

JLG Analyzer​

5.2.1 Hand held Analyzer​

5.2.2 Diagnostic Port​

5.2.3 To Connect the Hand Held Analyzer:​

5.2.4 Analyzer Software Version P1.20.0​

Analyzer Software Accessibility​

5.3.1 Access Level​

5.3.2 Diagnostic​

5.3.3 Machine Configuration Programming Information​

5.3.4 Machine Model Adjustment (Personality Settings)​

ClearSky (CS550) Configuration and Troubleshooting​

5.4.1 ClearSky Smart FleetTM CS550 Configuration​

5.4.2 Troubleshooting​

Fault Codes

Introduction​

6.1.1 System Fault/DTC Indication​

Diagnostic Trouble Codes (DTC)​

DTC Check Tables​

6.3.1 Diagnostic Trouble Codes (DTC’s) and Flash Codes Description​

6.3.2 ClearSky Smart Fleet DTC Fault Codes​

6.3.3 LSS Troubleshooting​

Hydraulics

General Information & Safety​

Theories of Operation​

7.2.1 Cylinders​

7.2.2 Valves​

7.2.3 Hydraulic Oil Check Procedure​

7.2.4 Pump/Motor​

Hydraulic Components​

7.3.1 Pump/Motor​

7.3.2 Hydraulic Hose Routing​

Torque Values​

7.4.1 Cylinder Torque Specification​

7.4.2 Pump/Motor Torque Specification​

Hydraulic Diagram​

7.5.1 Pump, Motor/Tank Assembly​

Electricals

General Information​

8.1.1 Applying Silicone Dielectric Compound to Amp Connectors​

8.1.2 Dielectric Grease Application​

8.1.3 Installation​

8.1.4 AMP Mate-N-Lok​

8.1.5 AMP Faston​

8.1.6 AMP Micro-Fit​

8.1.7 AMP Mini Fit Jr​

8.1.8 Mini Fit Sr​

8.1.9 DIN Connectors​

8.1.10 Exceptions​

Electrical Connectors​

8.2.1 Deutsch Connectors​

Electrical Harness Layout​

8.3.1 Cable Routing​

8.3.2 Harness Layout​

Board Layouts​

8.4.1 Logic Control Module​

8.4.2 Drive Control Module​

AMP Connector​

8.5.1 Assembly​

8.5.2 Disassembly​

8.5.3 Wedge Lock​

8.5.4 Service - Voltage Reading​

Switches​

8.6.1 Basic check​

8.6.2 Limit Switches​

8.6.3 Automatic Switches​

8.6.4 Switch Wiring - Low Side, High Side​

Removal and Installation

Pothole Protection System​

9.1.1 Removal​

9.1.2 Installation​

Tire and Wheels​

9.2.1 Removal​

9.2.2 Requirements for installing wheel​

9.2.3 Installation​

Battery​

9.3.1 Lead Acid Batteries​

9.3.2 Lithium Ion Battery (2-Battery System)​

9.3.3 Lithium Ion Battery (3-Battery System)​

Battery Charger​

9.4.1 Battery Charger (Delta-Q 650W and Green Power)​

9.4.2 Battery Charger (Delta-Q 1200 W)​

Steering/Spindle Assembly​

9.5.1 Removal​

9.5.2 Installation​

Logic Control Module​

9.6.1 Removal​

9.6.2 Installation​

Drive Control Module​

9.7.1 Removal​

9.7.2 Installation​

Tilt Sensor​

9.8.1 Removal​

9.8.2 Installation​

Ground Control Station​

9.9.1 Removal​

9.9.2 Installation​

Scissor Arms​

9.10.1 Removal​

9.10.2 Installation​

Tilt Dual Axis Sensor​

9.11.1 Removal​

9.11.2 Installation​

Platform Control Station​

9.12.1 Removal​

9.12.2 Installation​

Platform​

9.13.1 Removal​

9.13.2 Installation​

Lift Cylinder​

9.14.1 Removal​

9.14.2 Installation​

Drive Motor​

9.15.1 Removal​

9.15.2 Installation​

Pump/Motor​

9.16.1 Removal​

9.16.2 Installation​

ClearSky® LED Motion / Amber Beacon (CS550) (if equipped)​

9.17.1 ClearSky® LED Motion / Amber Beacon (CS550) (if equipped)​

Disassembly and Assembly

Scissor Arm Assembly​

10.1.1 Disassembly​

10.1.2 Assembly​

Hydraulic Cylinders​

10.2.1 Lift Cylinder​

10.2.2 Steer Cylinder​

Platform Control Station​

10.3.1 Disassembly​

10.3.2 Assembly​

Torque/Connection Information

Hydraulic Fittings​

11.1.1 Tapered Thread Types​

11.1.2 Straight Thread Types, Tube and Hose Connections​

11.1.3 Straight Thread Types, Port Connections​

11.1.4 Flange Connection Types​

11.1.5 Tightening Methods​

11.1.6 Assembly and Torque Specifications​

11.1.7 General Tube Type Fitting Assembly Instructions​

11.1.8 Assembly Instructions for American Standard Pipe Thread Tapered Connections​

11.1.9 Assembly Instructions for British Standard Pipe Thread Tapered Connections​

11.1.10 Assembly Instructions for 37° (JIC) Flare Fittings​

11.1.11 Assembly Instructions for 45° SAE Flare Fittings​

11.1.12 Assembly Instructions for O-Ring Face Seal (ORFS) Fittings​

11.1.13 Assembly Instructions for DIN 24° Flare Bite Type Fittings (MBTL and MBTS)​

11.1.14 Assembly Instructions for Bulkhead (BH) Fittings​

11.1.15 Assembly Instructions for O-Ring Boss (ORB) Fittings​

11.1.16 Assembly Instructions for Adjustable Port End Metric Fittings​

11.1.17 Assembly Instructions for Metric ISO 6149 (MPP) Port Assembly Stud Ends​

11.1.18 Assembly instructions for Adjustable Port End (BSPP) Fittings​

11.1.19 Assembly Instructions for Flange Connections: (FL61 and FL62)​

11.1.20 Double Wrench Method​

11.1.21 FFWR and TFFT Methods​

11.1.22 Adjustable Stud End Assembly​

11.1.23 O-ring Installation (Replacement)​

Torque Charts​

11.2.1 SAE Fastener Torque Chart​

11.2.2 Metric Fastener Torque Chart​

Schematics

Hydraulic Schematics​

Electrical Schematics​