JLG 3394RT / 4394RT Rough Terrain Scissor Lift Service & Maintenance Manual (Global)

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This service manual PDF download for the JLG 3394RT / 4394RT Rough Terrain 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.


JLG Lift 3394RT
JLG Lift 4394RT

Prior to S/N 0200191606
excluding S/N’s: 0200186972, 0200187002, 0200187013


Section 1. Specifications
1.1 Specifications
1.2 Capacities
1.3 Engines
1.4 Tires
1.5 Machine Dimensions
1.6 Pressure Settings
1.7 Serial Number Locations
1.8 Sensors
1.9 Cylinder Specifications
1.10 Major Component Weights
1.11 Critical Stability Weights
1.12 Lubrication Specifications
1.13 Operator Maintenance
1.14 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 Operating Characteristics
3.2 Calibrations
3.3 Level Sensor and Analyzer Connections
3.4 Integrated Torque/drive hub
3.5 Dual Fuel/LPG System
3.6 Ford EFI Engine
3.7 Generator – Ford Engine
3.8 Deutz EMR 2 (S/N 0200138634 to Present)
3.9 Generator – Duetz Engine
3.10 GM Engine General Maintenance
3.11 Generator – GM Engine
3.12 GM Engine Dual Fuel System
3.13 GM Engine Fuel System Repair
3.14 GM Engine LPG Fuel System Diagnosis
3.15 Joystick Controller

Section 4. Hydraulics
4.1 Cylinders – Theory of Operation
4.2 Valves – Theory of Operation
4.3 Component Functional Description
4.4 Cylinder Checking Procedure
4.5 Cylinder Repair
4.6 Drive Pump Start-up Procedure
4.7 Hydraulic Component Start-Up Procedures and Recommendations
4.8 Hydraulic Gear Pump
4.9 Main Valve
4.10 Drive Header Valve (2WD)
4.11 Drive Header Valve (4WD)
4.12 Header Valves (4WD)
4.15 Power Deck Manifold Valve
4.16 Hydraulic Pump
4.17 Cylinder Assemblies

Section 5. JLG Control System
5.1 Hand Held Analyzer
5.2 Flash Codes and Descriptions

Section 6. General Electrical Information & Schematics
6.1 General
6.2 Multimeter Basics
6.3 Applying Silicone Dielectric Compound To Amp Connectors
6.4 Working With Deutsch Connectors
6.5 Switches
6.6 Schematics


File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Part Number : 3121133
Total Pages : 228

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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JLG 3394RT / 4394RT Rough Terrain Scissor Lift Service & Maintenance Manual (Global).pdf

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