User Manuals: Oshkosh JLG X770AJ Crawler Boom Lift

Manuals and User Guides for Oshkosh JLG X770AJ Crawler Boom Lift. We have 1 Oshkosh JLG X770AJ Crawler Boom Lift manual available for free PDF download: Service And Maintenance Manual

Oshkosh JLG X770AJ Service And Maintenance Manual

Oshkosh JLG X770AJ Service And Maintenance Manual (128 pages)

Brand: Oshkosh | Category: Boom Lifts | Size: 42 MB

Table of Contents

Introduction - Maintenance Safety Precautions
3
Hydraulic System Safety
3
Maintenance
3
Table of Contents
5
Specifications

11
- Capacities
  11
- Track Specifications
  12
- Power Source
  13
- Specifications and Performance Data
  17
  - Reach Specifications
    17
  - Dimensional Data
    17
  - Function Speed Data
    18
  - Machine Orientation When Performing Speed Tests
    18
- Hydraulic Pressure Settings - Psi (Bar)
  19
- Major Component Weights
  19
- Lubrication
  20
  - Hydraulic Oil
    20
- Serial Number Location
  21
- Fastener Torque Charts
  22
General

28
- Machine Preparation, Inspection, and Maintenance
  28
- 2.2 Service and Guidelines
  29
  - General
    29
  - Safety and Workmanship
    29
  - Cleanliness
    29
  - Components Removal and Installation
    29
  - Component Disassembly and Reassembly
    29
  - Pressure-Fit Parts
    29
  - Bearings
    30
  - Gaskets
    30
  - Bolt Usage and Torque Application
    30
  - Hydraulic Lines and Electrical Wiring
    30
  - Hydraulic System
    30
  - Lubrication
    30
  - Battery
    30
  - Lubrication and Servicing
    30
- 2.3 Lubrication and Information
  30
  - Hydraulic Oil
    31
  - Changing Hydraulic Oil
    31
  - Lubrication Specifications
    31
- 2.4 Cylinder Drift Test
  31
  - Cylinder Drift
    31
- Pins and Composite Bearing Repair Guidelines
  32
- 2.6 Welding on Jlg Equipment
  32
  - Do the Following When Welding on JLG Equipment
    32
  - Do NOT Do the Following When Welding on JLG Equipment
    32
Chassis & Turntable

34
- Rubber Track Maintenance
  34
- Undercarrige Components
  37
  - Replacement Roller Lower Wheel and Tracks Adjuster
    37
  - Disassembly
    37
  - Assembly
    37
  - Replacement Sprocket and Gear Motor
    38
  - Sprocket Remove
    38
  - Gear Motor Remove
    38
  - Gear Motor Installation
    38
  - Sprocket Installation
    38
- Axle Extension Removal
  39
- Final Drive
  40
  - Product Identification
    40
- Swing Drive (Imo)
  41
  - Technical Data - Type Plate
    41
  - Structure and Function
    41
  - Transporting Unpacked Slew Drives
    42
  - Positioning the Swing Drive
    42
  - Bolting the Slew Drive
    43
  - Maintenance Schedule
    44
  - Lubrication
    44
  - Maintenance Tasks
    45
  - Lubricating the Slew Drive
    46
  - Inspecting the Seals
    46
- Honda Engine Igx440
  47
  - Serial Number Location
    47
  - Specifications
    48
  - Wiring Diagrams
    49
  - Engines & Controls Adjustments and Troubleshooting
    50
  - Engine Harness By-Pass
    51
  - Fuel System Check
    52
  - Fuel Tank Inspection
    53
  - Spark Test
    54
  - Replacement of Engine ECU
    55
- Hatz Engine
  56
  - Model: HATZ 1B40
    56
  - Description of the Engine
    57
  - Technical Data
    58
  - Engine Type Plate
    59
  - Operation
    60
  - Troubleshooting
    61
- Perkins Engine
  63
  - Model: 402D
    63
  - Specifications
    63
  - Engine Identification
    63
  - Fuel Filter Base - Remove and Install
    64
  - Troubleshooting
    65
- Kubota Diesel Engine Model D902
  67
  - Engine Plate
    68
  - Troubleshooting
    70
  - Engine Speed Sensor
    71
  - Speed Sensor Installation and Adjustment
    71
  - Diesel Engine RPM Control
    72
  - All Diesel Actuator Rod Travel Adjustment
    72
- 3.10 Thermic Engine Replacement
  73
- 3.11 Electric Motor Replacement
  74
Boom & Platform

77
- Boom Maintenance
  77
  - Removal of the Boom Assembly
    77
  - Disassembly of the Main Boom
    77
  - Inspection
    79
  - Assembly of the Main Boom
    79
  - Installation of the Boom Assembly
    80
- Boom Disassembly X20Jp - X600Aj
  81
- Inspection
  84
- Wire Rope Tension Adjustment Procedure
  87
- Rotary Actuator
  89
  - ARP Series
    89
  - Technical Data
    89
  - Disassembly
    92
  - Assembly
    94
  - Installing Counterbalance Valve
    95
- Boom Rotation Sensor Assembly - X23Jp - X700Aj
  96
- Proximity Sensor Adjustment (X17Jp-X500Aj - X20Jp-X600Aj)
  98
- Platform Removal/Installation
  99
  - Platform Installation
    99
- Load Cell and Footswitch Removal/Installation
  100
  - Removing Load Cell
    100
  - Installing Load Cell
    100
  - Removing Footswitch
    100
  - Installing Footswitch
    100
  - Procedure
    101
  - Installation
    102
  - Skyguard Anti-Trapping System
    105
- Skyguard Installation - 2 Person Platform
  107
  - Procedure
    107
  - Installation
    108
  - Skyguard Anti-Trapping System
    111
Hydraulics

114
- Main Components Identification and Location
  114
  - X17JP-X500AJ and X20JP-X600AJ
    114
  - X26Jp-X770Aj
    115
- Hydraulic System Pump and Pressure Lines
  117
- Ground Component Hydraulic System
  119
- Outriggers
  120
- Drive Gear Motors
  121
- Tracks Widening
  123
- Boom Component Hydraulic System
  124
  - First and Second Booms
    125
  - Third Boom
    126
  - Telescope
    126
  - Jib
    126
  - Basket Leveling
    126
  - Basket Rotation
    126
  - Turret Rotation
    126
  - Emergency Gravity Descent System
    127
  - Hydraulic System Sections
    127
- Cylinder Repair
  128
  - Specification - Cylinders Overview
    128

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