JLG 4394RT Service Manual User Manual
Models, Service & maintenance manual
This manual is related to the following products:
Table of contents
Document Outline
- Section A. Introduction - Maintenance Safety Precautions
- 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
- Fuel Tank
- Drive Hub
- Hydraulic Oil
- Engine Oil Change w/Filter - Deutz
- Engine Oil Change w/Filter - Deutz D2.9 L4 - T4F
- Oil Change w/Filter - GM
- Engine Fuel Filter - Deutz
- Engine Fuel Filter - Deutz D 2.9 L4 - T4F
- Engine Fuel Filter (Gasoline) - GM
- Air Filter
- Electronic Pressure Regulator (LP only)
- Fuel Filter (Propane) - GM
- Draining Oil Build Up From The Propane Regulator
- Propane Fuel Filter Replacement
- Propane Fuel System Pressure Relief
- 1.14 Torque Charts
- Section 2. General
- Section 3. Chassis, Platform & Scissor Arms
- 3.1 Operating Characteristics
- 3.2 Tires, Wheels & Drive Assembly
- 3.3 Integrated Torque/drive hub (Bosch Rexroth)
- 3.4 Drive Hub (Fairfield)
- 3.5 Drive Motor (Sauer)
- 3.6 Front Axle
- 3.7 Leveling Jacks (If Equipped)
- 3.8 Platform
- 3.9 Scissor Arms
- 3.10 Side Compartment Covers
- 3.11 Ground Control Station
- 3.12 Fuel Tank
- 3.13 Hydraulic Tank
- 3.14 Battery
- 3.15 Dual Fuel/LPG System
- 3.16 Deutz Engine
- 3.17 GM Engine
- 3.18 GM Engine Dual Fuel System
- Fuel Filter
- Electric Lock Off
- Electronic Pressure Regulator Assembly
- Low Pressure Regulator (LPR)
- Air Fuel Mixer
- Electronic Throttle Control (ETC)
- Engine Control Module (ECM)
- Heated Exhaust Gas Oxygen Sensor (HEGO)
- Gasoline Multi Point Fuel Injection System (MPFI)
- Gasoline Fuel Pump
- Gasoline Pressure And Temperature Sensor Manifold
- Fuel Filter
- Fuel Injector Rail
- Fuel Injector
- 3.19 GM Engine Fuel System Repair
- Propane Fuel System Pressure Relief
- Propane Fuel System Leak Test
- Propane Fuel Filter Replacement
- Electronic Pressure Regulator (EPR) Assembly Replacement
- Temperature Manifold Absolute Pressure (TMAP) Sensor
- Electronic Throttle Control Replacement
- Mixer Replacement
- Coolant Hose Replacement
- Vapor Hose Replacement
- Engine Control Module Replacement
- Heated Exhaust Gas Oxygen Sensor Replacement
- 3.20 GM Engine LPG Fuel System Diagnosis
- Section 4. Hydraulics
- 4.1 Cylinders - Theory of Operation
- 4.2 Valves - Theory of Operation
- 4.3 Cylinder Checking Procedure
- 4.4 Cylinder Repair
- 4.5 Drive Pump Start-up Procedure
- 4.6 Hydraulic Component Start-Up Procedures & Recommendations
- 4.7 Hydraulic Gear Pump
- 4.8 Valves
- 4.9 Gear Pump
- 4.10 Axial HI 45 Pump
- 4.11 Charge Pump Filter
- 4.12 Auxiliary Pump Motor
- 4.13 Cylinder Assemblies
- Section 5. JLG Control System
- Section 6. General Electrical Information & Schematics