Oshkosh Corporation JLG 439RT Manuals

Manuals and User Guides for Oshkosh Corporation JLG 439RT. We have 1 Oshkosh Corporation JLG 439RT manual available for free PDF download: Service Maintenance Manual

Oshkosh Corporation JLG 439RT Service Maintenance Manual

Oshkosh Corporation JLG 439RT Service Maintenance Manual (268 pages)

Brand: Oshkosh Corporation | Category: Lifting Systems | Size: 31 MB

Table of Contents

Hydraulic System Safety
3
Maintenance
3
Table of Contents
5
Section 1 - Specifications

11
- Specifications
  11
- Capacities
  11
- Engines
  11
- Tires
  12
- Machine Dimensions
  12
- Pressure Settings
  12
- Serial Number Locations
  13
- Sensors
  13
- Serial Number Location
  13
- Cylinder Specifications
  14
- Major Component Weights
  14
- Critical Stability Weights
  14
- Lubrication Specifications
  15
- Operator Maintenance
  16
- Filter Lock Assembly
  20
- Torque Charts
  21
Section 2 - General

27
Section 3. Chassis, Platform & Scissor Arms

37
- Operating Characteristics
  37
- Tires, Wheels & Drive Assembly
  37
- Drive Assembly
  39
- Integrated Torque/Drive Hub
  41
- Hydraulic Oil
  41
  - Drive Hub Assembly
    63
  - Front Axle
    94
  - Steering Assembly
    94
  - Axle Assembly
    95
  - Axle Lockout Cylinder
    97
  - Leveling Jacks (if Equipped)
    98
  - Leveling Jack Cylinder Removal
    98
  - Leveling Jacks Assembly
    99
  - Platform
    100
  - Deck Extension Cylinders Removal
    101
  - Platform Control Station
    102
  - Joystick Controller
    103
  - Scissor Arms
    104
  - Lift Cylinder Removal
    104
  - Scissor Arms Removal
    105
  - Scissor Assembly Removal - Chassis Connection
    105
  - Side Compartment Covers
    106
  - Ground Control Station
    107
  - Ground Control Station Removal
    107
  - Fuel Tank
    108
  - Hydraulic Tank
    109
  - Battery
    110
  - Dual Fuel/Lpg System
    111
  - Deutz Engine
    112
  - Engine Tray Swing
    112
  - EMR 2 Engine Side Equipment
    113
  - EMR 2 Engine Plug Pin Identification
    118
  - EMR 2 Vehicle Plug Pin Identification
    119
  - Generator (Deutz Engine)
    125
  - Exhaust System (Deutz Engine)
    126
  - Air Cleaner System (Deutz Engine)
    127
  - Relays (Deutz Engine)
    128
  - Pump Assemblies (Deutz Engine)
    129
  - Pump Coupling (Deutz Engine)
    130
  - Engine Removal (Deutz Engine)
    131
  - Radiator (Deutz Engine)
    132
  - GM Engine
    133
  - Engine Oil Dip Stick
    134
- Engine Tray Swing
  134
- Generator (GM Engine)
  135
- GM Exhaust System (GM Engine)
  136
- Air Cleaner System (GM Engine)
  137
- Radiator (GM Engine)
  138
- Fuel Components (GM Engine)
  139
- Pump Assemblies (GM Engine)
  140
- Pump Coupling (GM Engine)
  141
- Engine Removal (GM Engine)
  142
  - GM Engine Dual Fuel System
    143
- Electric Fuel Lock off
  143
- Low Pressure Regulators
  144
- Air Fuel Mixer
  144
- ETC Throttle Control Device
  145
- Heated Exhaust Gas Oxygen Sensor (HEGO)
  146
- Gasoline Fuel Pressure and Temperature Manifold Assembly
  146
  - GM Engine Fuel System Repair
    147
- Filter Lock Assembly
  148
- Pressure Regulator Section
  148
- TMAP) Sensor & Electronic Throttle Control (ETC)
  150
- Mixer Assembly
  151
  - GM Engine LPG Fuel System Diagnosis
    153
- LPF Fuel System Diagnosis
  154
- Symptom Diagnosis
  157
- DTC to SPN/FMI Cross Reference Chart
  165
Section 4 - Hydraulics

167
- Cylinders - Theory of Operation
  167
- Valves - Theory of Operation
  167
- Cylinder Checking Procedure
  167
- Cylinder Repair
  169
- Cylinder Barrel Support
  169
- Cylinder Rod Support
  170
- Rod Seal Installation
  171
- Bushing Installation
  171
- Installation of Head Seal Kit
  172
- Wiper Seal Installation
  172
- Rod Assembly Installation
  173
- Tapered Bushing Installation
  173
  - Drive Pump Start-Up Procedure
    174
  - Hydraulic Component Start-Up Procedures & Recommendations
    175
  - Hydraulic Gear Pump
    176
  - Valves
    179
- Main Valve Block
  180
- Main Valve Schematic
  181
- Flow Divider Valve
  182
- Leveling Jacks Directional Valve
  183
- Powerdeck Valve (Single)
  184
- Powerdeck Valve (Double)
  184
- Leveling Jack Valves
  185
  - Gear Pump
    187
  - Axial HI 45 Pump
    188
- Axial HI 45 Pump - Cross Section View
  189
  - Charge Pump Filter
    196
  - Auxiliary Pump Motor
    197
  - Cylinder Assemblies
    198
- Lift Cylinder
  200
- Lift Cylinder Valve Cartridge Torque Values
  200
  - Oscillating Axle Cylinder
    201
  - Leveling Jack Cylinder
    202
- Leveling Jack Torques
  203
  - Deck Extension Cylinder
    204
  - Oscillating Axle Cylinder Bleeding
    205
Section 5 - Jlg Control System

207
- Hand Held Analyzer
  207
- Calibrations
  212
- Tilt Sensor Location
  214
- Flash Codes and Descriptions
  215
- Machine Configuration Programming Information
  225
- Machine Tilt Configuration
  226
- Machine Model Adjustment
  231
Section 6 - General Electrical Information & Schematics

233
- General
  233
- Multimeter Basics
  233
- Voltage Measurement (DC)
  234
- Continuity Measurement
  235
- Applying Silicone Dielectric Compound to Amp Connectors
  237
- Connector Assembly (1 of 4)
  238
- Connector Assembly (3 of 4)
  239
- Connector Disassembly
  240
- Connector Installation
  241
- Working with Deutsch Connectors
  242
- HD/HDP Locking Contacts into Position
  243
- Switches
  244
- Schematics
  246
- Electrical Schematic - Deutz - Sheet 2 of 3
  248
- Electrical Schematic - GM - Sheet 1 of 5
  250
- Electrical Schematic - GM - Sheet 2 of 5
  252
- Electrical Schematic - GM - Sheet 3 of 5
  254
- Hydraulic Schematic - Sheet 1 of 2
  256
- Hydraulic Schematic - Sheet 2 of 2
  257
- Hydraulic Diagram
  258
- Hydraulic Diagram (Powerdeck - Single)
  259
- Hydraulic Diagram (Powerdeck - Dual)
  260
- Hydraulic Diagram (Powerdeck - Mega)
  261
- Hydraulic Diagram (Leveling Jacks)
  262
- Electrical Components Installation - Sheet 1 of 2
  264
- Electrical Components Installation - Sheet 2 of 2
  265

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