JLG 430LRT Service Manual

Service and Maintenance Manual
Models
330LRT
430LRT
PVC 1910
31215079
Se
ptember 13, 2019 - Rev A
AS/NZS
Go to Discount-Equipment.com to order your parts

JLG 430LRT Specifications

General

Drive Speed	3.5 mph
Drive Speed - Platform Lowered	3.5 mph
Drive Speed - Platform Elevated	0.5 mph
Gradeability	30%
Power Source / Engine Type	Electric
Turning Radius (Inside)	0 ft
Non-marking Tires	Yes

Summary

SECTION A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS

General

Covers general safety precautions for MEWP maintenance personnel and procedures.

Hydraulic System Safety

Highlights the dangers of high-pressure hydraulic systems and precautions.

Maintenance Safety

Details essential safety rules and best practices for maintenance procedures.

SECTION 1 - SPECIFICATIONS

Machine Specifications

Provides detailed specifications for machine dimensions, capacity, and performance.

Dimensional Data

Details key measurements like wheelbase, ground clearance, and machine dimensions.

Serial Number Location

Identifies the location of serial number plates and stamps for machine identification.

Lubrication

Outlines recommended hydraulic oils, greases, and their specifications.

Hydraulic Pressure Settings

Lists required pressure settings for main, steer, and leveling jack relief valves.

Hydraulic Cylinder Specifications

Details bore, stroke, and rod diameter for various hydraulic cylinders.

Engine Specifications

Provides specifications for Kubota diesel and dual fuel engines, including emissions and fuel consumption.

Elevation/Tilt Limit Settings

Explains limit switches for elevation and tilt cutout settings.

Torque Charts

Provides torque specifications for SAE and Metric fasteners.

SECTION 2 - GENERAL

Machine Preparation, Inspection, and Maintenance

Outlines procedures for safe operation and maintenance.

Preventive Maintenance and Inspection Schedule

Details periodic checks and maintenance intervals for various machine components.

Service and Guidelines

Provides information on servicing, safety, cleanliness, and component handling.

Cylinder Drift Test

SECTION 3 - CHASSIS, PLATFORM, & SCISSOR ARMS

Tires, Wheels & Drive Assembly

Drive Hub

Details roll and leak testing, tightening, oil information, and disassembly/assembly.

Drive Motor (Sauer)

Steer Installation

Platform Control Station

Scissor Arms

Kubota Engine

Details engine tray swing out, removal, and installation procedures.

Dual Fuel/LPG System

Hydraulic Pump Installation

Throttle Actuator Adjustment

Diagnosis of Actuator

SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS

Cylinder Checking Procedure

Oscillating Axle - Lockout Cylinder Test (If Equipped)

Drive Pump Pre-fill Procedure

Steps for pre-filling the drive pump housing with hydraulic fluid.

Drive Pump Start-Up Procedure

Procedures for safely starting up a new or re-installed drive pump.

Hydraulic Component Start-Up Procedures & Recommendations

Guidelines for starting up hydrostatic systems and hydraulic components.

General Repair Instructions

Shaft Seal, Roller Bearing & Shaft Replacement

Cylinder Repair

Oscillating Axle Cylinder Bleeding Procedure

Hydraulic Schematics

Provides hydraulic schematics for CE and ANSI configurations.

SECTION 5 - JLG CONTROL SYSTEM

Analyzer

Instructions on connecting and using the JLG Analyzer.

Using the Analyzer

Navigating the analyzer menu, accessing functions, and understanding displays.

Changing the Access Level

Adjusting Parameters

Diagnostic Troubleshooting Codes (DTC’s) and Flash Codes Description

Lists DTC codes, flash codes, descriptions, and item check lists for troubleshooting.

Chassis Tilt Sensor Installation

Calibration Procedures

Steps for calibrating chassis tilt, oscillating axle tilt, set stow elevation, load sensing, and joystick.

Service Mode Procedures

Guides for ECM override, elevation service, EEPROM reset, and allowing drive/retract functions.

Machine Configuration and Programming Settings

Explains how to configure machine settings and personalities.

SECTION 6 - LSS SETUP/CALIBRATION/SERVICE

Connecting the JLG Control System Analyzer

Steps to connect the analyzer to the control system.

Help Menu & Fault Codes

Using the help menu to diagnose system faults and interpret fault codes.

Diagnostic Menu

Personalities

Machine Setup Menu

Calibration Menu

Procedures to zero the empty platform weight for the Load Sensing System.

Troubleshooting

Provides solutions for common LSS general, calibration, and host system issues.

SECTION 7 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS

Multimeter Basics

Electrical Schematics

References to various sheets of electrical schematics for the 330/430LRT.