JLG 330LRT, 430LRT Scissor Lift Service Manual
234 pages · Publication 31217159
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What's inside
From the manual's own table of contents: 371 sections, 442 entries. See sample pages (PDF, 633 KB)
General
Hydraulic System Safety
Maintenance1 topic
- Specifications
Machine Specifications
Generator Specifications (If Equipped)
Dimensional Data
Fluid Capacities
Drive Information
Steering Information
Tires
Critical Stability Weights2 topics
- Serial Number Location
- Lubrication
Hydraulic Oil Specifications6 topics
- Hydraulic Pressure Settings
- Hydraulic Cylinder Specifications
- Engine Specifications
- Elevation/Tilt Limit Settings
- ThreadLocking Compound
- Torque Charts
SAE Fastener Torque Chart
Metric Fastener Torque Chart1 topic
- Machine Preparation, Inspection, and Maintenance
Preparation, Inspection, and Maintenance
Pre-Start Inspection
Pre-Delivery Inspection and Frequent Inspection
Annual Machine Inspection
Preventative Maintenance1 topic
- Preventive Maintenance and Inspection Schedule
Maintenance and Inspection Schedule Codes
Footnotes1 topic
- TABLE OF CONTENTS Service And Guidelines
Safety and Workmanship
Cleanliness
Components Removal and Installation
Show all 371 sections
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 Servicing1 topic
- Lubrication And Information
Hydraulic Oil
Changing Hydraulic Oil
Lubrication Specifications1 topic
- 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 Coolant1 topic
- Cylinder Drift Test
Platform Drift
Cylinder Drift2 topics
- Pins and Composite Bearing Repair Guidelines
- Operating Characteristics
Leveling Jacks (If Equipped)
Generator
Lift
Drive1 topic
- Tires, Wheels & Drive Assembly
Tire Damage
Tire Replacement
Wheel Replacement
Wheel Installation
Drive Assembly1 topic
- TABLE OF CONTENTS 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 Coupling1 topic
- Drive Motor (Sauer)
Description
Shaft Seal Replacement
Loop Flushing Valve
Troubleshooting
Disassembly
Inspection
Assembly
Initial Start-Up Procedures1 topic
- Axle Installation
Removal1 topic
- Steer Installation (All Markets Except for CE and JAPAN)
Steer Cylinder Removal
Spindle Removal1 topic
- Steer Installation (CE and Japan Markets)
Axle Lockout Cylinder1 topic
- Leveling Jacks (If Equipped)
Cylinder Removal
Assembly Removal1 topic
- Platform
Platform Control Station
Joystick Controller1 topic
- Scissor Arms
Lift Cylinder Removal
Scissor Arms Removal
Scissor Arm Assembly Removal1 topic
- Side Compartment Covers
Cover Removal
Cover Installation1 topic
- Ground Control Station
Control Station Removal
Ground Control Station Components
Options Control Module4 topics
- TABLE OF CONTENTS Battery
- Fuel Tank
- Hydraulic Tank
- 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 Actuator2 topics
- Cylinders - Theory of Operation
- Valves - Theory of Operation
Solenoid Control Valves (Bang-Bang)
Relief Valves
Crossover Relief Valves1 topic
- Cylinder Checking Procedure
Cylinders Without Counterbalance Valves
Cylinders With Single Counterbalance Valve1 topic
- Oscillating Axle - Lockout Cylinder Test (If Equipped)
Left Side Wheel Test
Right Side Wheel Test1 topic
- 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 Pump3 topics
- Drive Pump Start-up Procedure
- Hydraulic Component Start-Up Procedures & Recommendations
- TABLE OF CONTENTS 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 Procedures2 topics
- Gear Pump
- 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 Replacement2 topics
- Charge Pump Filter
- Cylinder Repair
Cleaning and Inspection1 topic
- Cylinder Assemblies
Oscillating Axle Cylinder Bleeding Procedure2 topics
- Hydraulic Schematics
- Analyzer
Connecting the Analyzer
Using the Analyzer
Changing the Access Level
Adjusting Parameters
Machine Setup
System Fault/DTC Indication5 topics
- 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
Joystick1 topic
- TABLE OF CONTENTS Service Mode Procedures
ECM Override (Dual Fuel Only)
Elevation Service
EEPROM Reset
Allow Drive
Allow Leveling Jack Retract9 topics
- Machine Configuration and Programming Settings
- Connecting the JLG Control System Analyzer
- Help Menu & Fault Codes
- Diagnostic Menu
- Personalities
- Machine Setup Menu
- Calibration Menu
- Service
- Calibration
Procedure
Testing & Evaluation3 topics
- Troubleshooting
- General
- Multimeter Basics
Grounding
Backprobing
Min/Max
Polarity
Scale
Voltage Measurement
Resistance Measurement
Continuity Measurement
Current Measurement
Continuity Measurement Over Long Distances
Requirements2 topics
- 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
Exceptions1 topic
- AMP Connector
Wedge Lock
Service - Voltage Reading1 topic
- TABLE OF CONTENTS Working with Deutsch Connectors
DT/DTP Series Assembly
DT/DTP Series Disassembly
HD30/HDP20 Series Assembly
HD30/HDP20 Series Disassembly1 topic
- Switches
Basic Check
Limit Switches
Automatic Switches
Switch Wiring - Low Side, High Side1 topic
- Electrical Schematics
Serial Number Location
Hydraulic Oil Operating Temperature Specifications
Engine Oil Operating Temperature Specifications - Kubota (Dual Fuel Engine)
Engine Oil Operating Temperature Specifications - Kubota (Diesel Engine)
Scissor Arm - Safety Prop Assembly
Safety Prop Actuator Rod
Service Maintenance Components
Kubota Dual Fuel (WG972-GL-E4)
Drive Assembly (Fairfield/Sauer)
Drive Hub (Cross-Section)
Cluster Gear Punch Marks
Drive Motor Cross Section
Removing the Shaft Seal
Loop Flushing Spool
Plugs, Fittings, and Speed Sensor
End Cap
Valve Plate & Rear Shaft Bearing
Cylinder Kit
Shaft Seal
Shaft & Front Bearing
Swash Plate & Servo Piston
Cylinder Kit Disassembly
Servo Piston
Cylinder Kit Assembly
Swash Plate and Journal Bearing
Shaft and Front Bearing
Cylinder Kit Installation
Servo Spring and Minimum Angle Stop
Valve Plate and Rear Bearing
Plugs and Fittings Installation
Axle Installation
Steering Assembly
Leveling Jack Cylinder Removal
Leveling Jacks Assembly
Platform Removal
Scissor Arm Component - 330LRT Assembly 1 of 2
Scissor Arm Component - 330LRT Assembly 2 of 2
Scissor Arm Component - 430LRT Assembly 1 of 2
Scissor Arm Component - 430LRT Assembly 2 of 2
Left Side - Engine Compartment Covers
Right Side - Hydraulic/Fuel Compartment Covers
Ground Control Station Removal
Optional Control Module
Battery Removal
Fuel Tank Installation
Hydraulic Tank Removal
Engine Swing Out Tray Components
Engine Tray In Swing Out Position
Engine Removal (All Engines)
AC Generator Installation
Exhaust System (Kubota Engine)
Air Cleaner System (Kubota Engine)
Radiator Installation (All Engines)
Duel Fuel Engine - Control Module Location
Duel Fuel Engine Compartment - Electrical Component Locations
Diesel Engine Compartment - Electrical Component Locations (T4F)
Hydraulic Pump Assemblies
Pump Coupling Assembly (All Engines)
Engine Speed Sensor Installation
Throttle Assembly and Linkages
Hydraulic Compartment Control Valves
Main Valve Port Identification
Main Valve Port Identification (CE Only)
Leveling Jack Directional Valve
Leveling Jack Valves
Leveling Jack Manifold Valve
Tandem Gear Pump - Diesel
Gear Pump - Dual Fuel - Gas/LPG
Axial HI 45 Pump
Axial HI 45 Pump - Cross Section View
Charge Pump Filter
Lift Cylinder Holding Valve and Fitting Removal
Cylinder Barrel Support
Lift Cylinder Capscrew Removal
Cylinder Rod Support
Tapered Bushing Removal
Bushing Installation
Rod Seal Installation
Poly-Pak Piston Seal Installation
Wiper Seal Installation
Installation of Head Seal Kit
Piston Seal Kit Installation
Tapered Bushing Installation
Seating the Tapered Bearing
Rod Assembly Installation
Lift Cylinder Valve Cartridge Torque Values
Oscillating Axle Cylinder
Leveling Jack Cylinder
Leveling Jack Torques
Oscillating Axle Cylinder Bleeding
Hydraulic Schematics (CE) - Sheet 1 of 2
Hydraulic Schematics (CE) - Sheet 2 of 2
Hydraulic Schematics (ANSI) - Sheet 1 of 2
Hydraulic Schematics (ANSI) - Sheet 2 of 2
Analyzer Menu Flow Chart (Version P1.3) - Sheet 1 of 3
Analyzer Menu Flow Chart (Version P1.3) - Sheet 2 of 3
Analyzer Menu Flow Chart (Version P1.3) - Sheet 3 of 3
Chassis Tilt Sensor Location
Chassis Tilt Sensor Removal
Chassis Sensor Locations
Load Sensing System Components
LSS Module Load Cell Connector Pinout (J5, J6, J7, J8)
LRT Wiring Diagram
Voltage Measurement (DC)
Current Measurement (DC)
AMP Connector
Connector Assembly (1 of 4)
Connector Assembly (2 of 4)
Connector Assembly (3 of 4)
Connector Assembly (4 of 4)
Connector Disassembly
Connector Installation
DT/DTP Contact Installation
DT/DTP Contact Removal
HD/HDP Contact Installation
HD/HDP Locking Contacts Into Position
HD/HDP Contact Removal
HD/HDP Unlocking Contacts
Electrical Schematic - Sheet 1 of 10
Electrical Schematic - Sheet 2 of 10
Electrical Schematic - Sheet 3 of 10
Electrical Schematic - Sheet 4 of 10
Electrical Schematic - Sheet 5 of 10
Electrical Schematic - Sheet 6 of 10
Electrical Schematic - Sheet 7 of 10
Electrical Schematic - Sheet 8 of 10
Electrical Schematic - Sheet 9 of 10
Electrical Schematic - Sheet 10 of 10
Mobilfluid 424
Mobil DTE 10 Excel 32
UCon Hydrolube HP-5046
Mobil EAL 224H
Mobil SHC Hydraulic EAL 46
Mobil EAL ENVIROSYN H 46
Kubota Diesel (D1305-E4B)
Kubota (WG972-GL-E4 - Dual Fuel)
Kubota (D1305-E3B - Diesel)
Tilt Cutout Settings
Inspection and Maintenance
Preventive Maintenance & Inspection Schedule
Wheel Torque Chart
Drive Hub Part Description
Excessive Noise and/or Vibration
System Operating Hot
Won’t Shift or Slow to Start
Displacement Identifiers
Slipper Foot Thickness & End Play
Cylinder Block Measurements
Joystick Specifications
Joystick Plug Loading Chart
AC Generator Specifications
Main Valve Torque Specs (All Specs Except CE)
Main Valve Porting Specs
Main Valve Torque Specs (CE Only)
Main Valve Porting Specs (CE Only)
Leveling Jack Directional Valve Torque Specs
Leveling Jack Valves Torque Specs
Leveling Jack Manifold Valve Torque Specs
Gear Pump Specs - Diesel
Axial HI 45 Pump Specs
Holding Valve Torque Specifications
Tilt Sensor Harness (SN3)
Machine Configuration Programming Information (Version P1.3)
Machine Tilt Configuration (Version P1.3)
Machine Model Personality Adjustment
LSS Fault Codes
Diagnostic Menu Descriptions
Personalities
Calibration Values
LSS Troubleshooting Chart - General
LSS Troubleshooting Chart - Calibration
LSS Troubleshooting Chart - Measurement Performance
LSS Troubleshooting Chart - Host System Functionality
LSS Module System Interface Connector - Power & Digital (J1 - Grey)
LSS Module System Interface Connector – Communication (J1 - Black)
Inside this manual
Real pages from this service manual (234 pages). Open the sample pages (PDF, 631 KB)
- Specifications, page 18: SECTION 1 - SPECIFICATIONS
- Diagram, page 135: SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
- Troubleshooting, page 204: SECTION 6 - LSS SETUP/CALIBRATION/SERVICE
- Color page, page 213: SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS
- Color page, page 123: SECTION 3 - CHASSIS, PLATFORM, & SCISSOR ARMS
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 330LRT, 430LRT are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Service Manual 31217159$69.51
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This is a service manual
Here's how it compares to the other manual types.
This manual
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 234 pages
Quantity one is the manual described above.
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Other editions and similar models
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