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Scissor Lifts
330LRT
Service and maintenance manual
JLG 330LRT Service And Maintenance Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Section A. Introduction - Maintenance Safety Precautions
Ageneral
Bhydraulic System Safety
Cmaintenance
Table of Contents
Section 1. Specifications
Specifications
Machine Specifications
Generator Specifications (if Equipped)
Dimensional Data
Fluid Capacities
Drive Information
Steering Information
Tires
Critical Stability Weights
1.2 Serial Number Location
1.3 Lubrication
Hydraulic Oil Specifications
1.4 Hydraulic Pressure Settings
Hydraulic Cylinder Specifications
1.6 Engine Specifications
1.7 Elevation/Tilt Limit Settings
Threadlocking Compound
Torque Charts
SAE Fastener Torque Chart
Metric Fastener Torque Chart
Section 2 - General
Machine Preparation, Inspection, and Maintenance
General
Preparation, Inspection, and Maintenance
Pre-Start Inspection
Pre-Delivery Inspection and Frequent Inspection
Annual Machine Inspection
Preventative Maintenance
Preventive Maintenance and Inspection Schedule
Maintenance and Inspection Schedule Codes
Footnotes
Service and Guidelines
General
Safety and Workmanship
Cleanliness
Components Removal and Installation
Component Disassembly and Reassembly
Pressure-Fit Parts
Bearings
Gaskets
Bolt Usage and Torque Application
Hydraulic Lines and Electrical Wiring
Hydraulic System
Lubrication
Battery
Lubrication and Servicing
Lubrication and Information
Hydraulic Oil
Changing Hydraulic Oil
Lubrication Specifications
Service Maintenance Components
Setting Scissor Arm Safety Prop
General Maintenance Tips
Fuel Tank
Drive Hub
Scissor Arms - Sliding Wear Pads
Hydraulic Oil Tank
Hydraulic Charge Filter
Oil Change with Filter
Fuel/Water Separator Filter (Diesel) - Kubota
Fuel Strainer (Diesel) - Kubota
Fuel Filter (Gas) - Kubota
Air Filter
Engine Coolant
Cylinder Drift Test
Platform Drift
Cylinder Drift
Pins and Composite Bearing Repair Guidelines
Section 3 - Chassis, Platform, & Scissor Arms
Operating Characteristics
Leveling Jacks (if Equipped)
Generator
Lift
Drive
Tires, Wheels & Drive Assembly
Tire Damage
Tire Replacement
Wheel Replacement
Wheel Installation
Drive Assembly
Drive Hub
Roll and Leak Testing
Tightening and Torquing Bolts
Oil Information
Main Disassembly for Drive Hub
Hub-Spindle Disassembly
Cover Disassembly
Carrier Disassembly
Carrier Assembly
Cover Sub-Assembly
Hub-Spindle Sub-Assembly
Main Assembly
Tool List
Re-Aligning Torque Hub Input Coupling
Drive Motor (Sauer)
Description
Shaft Seal Replacement
Loop Flushing Valve
Troubleshooting
Disassembly
Inspection
Assembly
Initial Start-Up Procedures
Axle Installation
Removal
Assembly
Steer Installation (All Markets Except for CE and JAPAN)
Steer Cylinder Removal
Spindle Removal
Assembly
Steer Installation (CE and Japan Markets)
Steer Cylinder Removal
Spindle Removal
Assembly
Axle Lockout Cylinder
Leveling Jacks (if Equipped)
Cylinder Removal
Assembly Removal
Platform
Platform Control Station
Joystick Controller
3.10 Scissor Arms
Lift Cylinder Removal
Scissor Arms Removal
Scissor Arm Assembly Removal
3.11 Side Compartment Covers
Cover Removal
Cover Installation
3.12 Ground Control Station
Control Station Removal
Ground Control Station Components
Options Control Module
3.13 Battery
3.14 Fuel Tank
3.15 Hydraulic Tank
3.16 Kubota Engine
Engine Tray - Swing out
Engine Removal
Dual Fuel/Lpg System
Changing from Gasoline to LP Gas
Changing from LP Gas to Gasoline
Using Liquid Petroleum (LP) Gas
Propane Fuel System Pressure Relief
Propane Fuel System Leak Test
Generator (if Equipped)
Exhaust System
Dual Fuel - Gas/Lpg
Diesel
Air Cleaner System
Radiator
Engine Electrical Component Locations
Hydraulic Pump Installation
Pump Coupling Assembly
Engine Speed Sensor (Kubota Diesel Engine)
Throttle Actuator Adjustment
Air Gap Setting
Diagnosis of Actuator
Adjustment of the Actuator
Adjustment Verification of Actuator
Section 4 - Basic Hydraulic Information & Schematics
Cylinders - Theory of Operation
Valves - Theory of Operation
Solenoid Control Valves (Bang-Bang)
Relief Valves
Crossover Relief Valves
Cylinder Checking Procedure
Cylinders Without Counterbalance Valves
Cylinders with Single Counterbalance Valve
Oscillating Axle - Lockout Cylinder Test (if Equipped)
Left Side Wheel Test
Right Side Wheel Test
Drive Pump Pre-Fill Procedure
Pre-Fill of the Drive Pump Housing Without HOC
Pre-Fill of the Drive Pump Housing with HOC
Priming the Gear Pump
Drive Pump Start-Up Procedure
Hydraulic Component Start-Up Procedures & Recommendations
Hydraulic Valves
Main Hydraulic Valve
Main Hydraulic Valve (CE Only)
Flow Divider Valve
Leveling Jack Directional Valve (if Equipped)
Leveling Jack Valves (if Equipped)
Leveling Jack Manifold Valve (if Equipped)
Pressure Relief Valve - Setting Procedures
Gear Pump
4.10 Axial Hi 45 Pump
General Repair Instructions
Start-Up Procedure
Removing the Pump
Electric Control Module
Control Solenoids
Shaft Seal, Roller Bearing & Shaft Replacement
Charge Pump
Charge Check/Hprv
Charge Pressure Relief Valve
Pressure Limiter Valve Replacement
4.11 Charge Pump Filter
4.12 Cylinder Repair
Disassembly
Cleaning and Inspection
Assembly
4.13 Cylinder Assemblies
Oscillating Axle Cylinder Bleeding Procedure
4.14 Hydraulic Schematics
Section 5 - Jlg Control System
Analyzer
Connecting the Analyzer
Using the Analyzer
Changing the Access Level
Adjusting Parameters
Machine Setup
System Fault/Dtc Indication
Analyzer Menu Flow Chart
Diagnostic Troubleshooting Codes (Dtc's) and Flash Codes Description
Chassis Tilt Sensor Installation
Location of Additional Sensors
Calibration Procedures
Chassis Tilt Sensor
Oscillating Axle Tilt Sensor (if Equipped)
Set Stow Elevation
Load Sensing
Joystick
Service Mode Procedures
ECM Override (Dual Fuel Only)
Elevation Service
EEPROM Reset
Allow Drive
Allow Leveling Jack Retract
Machine Configuration and Programming Settings
Section 6 - Lss Setup/Calibration/Service
Connecting the JLG Control System Analyzer
Help Menu & Fault Codes
Diagnostic Menu
Personalities
Machine Setup Menu
Calibration Menu
Service
Description
6.8 Calibration
Procedure
Testing & Evaluation
6.9 Troubleshooting
Section 7 - General Electrical Information & Schematics
General
Multimeter Basics
Grounding
Backprobing
Min/Max
Polarity
Scale
Voltage Measurement
Resistance Measurement
Continuity Measurement
Current Measurement
Continuity Measurement over Long Distances
Requirements
Procedure
Applying Silicone Dielectric Compound to Electrical Connections
Dielectric Grease Application
AMP Mate-N-Lok
AMP Faston
AMP Micro-Fit
AMP Mini Fit Jr
Mini Fit Sr
DIN Connectors
Exceptions
AMP Connector
Assembly
Disassembly
Wedge Lock
Service - Voltage Reading
7.6 Working with Deutsch Connectors
DT/DTP Series Assembly
DT/DTP Series Disassembly
HD30/HDP20 Series Assembly
HD30/HDP20 Series Disassembly
Switches
Basic Check
Limit Switches
Automatic Switches
Switch Wiring - Low Side, High Side
Electrical Schematics
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Diagnostic Troubleshooting Codes (Dtc's) and Flash Codes Description
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Service and Maintenance Manual
Models
330LRT
430LRT
PVC 1910
31215079
September 13, 2019 - Rev A
AS/NZS
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Troubleshooting
Troubleshooting
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Diagnostic Troubleshooting codes (DTC's) and Flash Codes Description
178
6.9 TROUBLESHOOTING
203
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