JLG Boom Lift 1930ES 2030ES 2630ES 2646ES 3246ES Service & Maintenance Manual 3121166 2025

[Hyundai]

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JLG Boom Lift 1930ES 2030ES 2630ES 2646ES 3246ES Service & Maintenance Manual 3121166 2025
Size: 15.25 MB
Format: PDF
Language: English
Brand: JLG
Type of Machine: Boom Lift
Type of Manual: Service & Maintenance Manual, Electrical and Hydraulic Diagrams
Model: JLG 1930ES 2030ES 2630ES 2646ES 3246ES Boom Lift
Part Number: 3121166
Publication Date: 2025
Number of Pages: 222 Pages

Contents:
Service & Maintenance Manual

Section A. Introduction - Maintenance Safety Precautions​

A. General​

B. Hydraulic System Safety​

C. Maintenance​

Section 1. Specifications​

1.1 Specifications​

1.2 Torque Requirements​

1.3 Lubrication​

1.4 Limit Switches​

1.5 Cylinder Specifications​

1.6 Major Component Weights​

1.7 Critical Stability Weights​

1.8 Torque ChartS​

Section 2. General​

2.1 Machine Preparation, Inspection, and Maintenance​

2.2 Service and Guidelines​

2.3 Lubrication and Information​

2.4 Cylinder Drift Test​

2.5 Pins and Composite Bearing Repair Guidelines​

2.6 Preventive Maintenance and Inspection Schedule​

Section 3. Chassis & Scissor Arms​

3.1 Diagnostic Port​

3.2 MDI (Multifunction Digital Indicator) and brake release​

3.3 Traction System​

3.4 Torque Hub​

3.5 Electric Drive Motor​

3.6 Electric Drive Motor​

3.7 Drive Motor Electrical Evaluation​

3.8 Power Module - Sevcon​

3.9 Power Module - ZAPI​

3.10 Battery Removal​

3.11 Battery Charger​

3.12 Battery Charger/Inverter (Option)​

3.13 Drive Motor Cable Routing​

3.14 Pothole Switch Replacement​

3.15 Ground Control Station​

3.16 Arms and Platform Positioning and Support​

3.17 Platform Removal​

3.18 Scissor Arms Removal​

3.19 Platform Control Station​

Section 4. Hydraulics​

4.1 Cylinders - Theory of Operation​

4.2 Valves - Theory of Operation​

4.3 Cylinder Checking Procedure​

4.4 Lift Pressure Setting Procedure​

4.5 Hydraulic Oil Fill​

4.6 Lift Cylinder Removal​

4.7 Pump/Motor​

4.8 Cylinder Repair​

Section 5. JLG Control System​

5.1 Hand Held Analyzer​

5.2 Tilt Sensor Calibration​

5.3 Tilt Sensor Electrical Evaluation​

5.4 Elevation Angle Sensor Electrical Evaluation​

5.5 Elevation Sensor Calibration​

5.6 Updating Software​

5.7 Troubleshooting​

5.8 Machine Model Adjustment - SEVCON - 1600346 Power Module​

5.9 Machine Model Adjustment - ZAPI - 1001092456 Power Module​

5.10 Machine Configuration Programming Information - SEVCON - 1600346​

5.11 Machine Configuration Programming Information - ZAPI - 1001092456​

Section 6. Diagnostic Trouble Codes​

6.1 Introduction​

6.2 DTC Index​

6.3 DTC Check Tables​

Section 7. General Electrical Information & Schematics​

7.1 General​

7.2 Multimeter Basics​

7.3 Applying Silicone Dielectric Compound To Amp Connectors​

7.4 Working With Deutsch Connectors​

7.5 Switches​

7.6 Circuit Boards: Inputs and Outputs​

7.7 Electrical Schematics and Layouts​

7.8 Hydraulic Schematic​