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JLG H340AJ Service Manual

JLG H340AJ
272 pages
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Service and Maintenance Manual
Model
H340AJ
3121634
February 08, 2019 - Rev E
AS/NZS
Discount-Equipment.com

Table of Contents

Other manuals for JLG H340AJ

Questions and Answers:

JLG H340AJ Specifications

General IconGeneral
Platform Capacity500 lbs
Drive Speed3.5 mph
Ground Clearance8 in
Gradeability30%
Fuel TypeDiesel
Engine Power24.8 hp
Turntable Rotation360 Degrees Continuous
Platform Size30 in x 72 in

Summary

SECTION A. INTRODUCTION - MAINTENANCE SAFETY PRECAUTIONS

A GENERAL

Provides general safety precautions for aerial platform maintenance to avoid injury and equipment damage.

B HYDRAULIC SYSTEM SAFETY

Highlights the dangers of high hydraulic pressures and the need to relieve system pressure before work.

C MAINTENANCE

Lists critical safety precautions for maintenance, including parts, refueling, jewelry, clothing, and general warnings.

SECTION 1 - SPECIFICATIONS

1.1 OPERATING SPECIFICATIONS

Details key operational parameters like capacity, travel grade, drive speed, and hydraulic pressure.

1.8 MAINTENANCE AND LUBRICATION

Outlines lubrication requirements, types, intervals, and specifications for various components.

1.5 ENGINE DATA

Provides specifications for the Kubota Z482 engine, including type, cylinders, bore, stroke, and output.

SECTION 3 - CHASSIS & TURNTABLE

3.1 TIRES & WHEELS

Covers tire replacement guidelines, characteristics, and wheel installation with torque specifications.

3.5 DRIVE SYSTEM

Explains the drive system components, operator control, and drive modes based on boom position.

3.10 SWING BEARING

Details the removal and installation of the swing bearing assembly, including torque and inspection procedures.

SECTION 4 - BOOM & PLATFORM

4.1 BOOM SYSTEMS

Describes boom control systems, transport position sensing, and jib lift dampening for safe operation.

4.3 BOOM REMOVAL AND INSTALLATION

Provides step-by-step procedures for removing and installing main, mid, and lower boom assemblies.

4.4 BOOM MAINTENANCE

Outlines procedures for boom disassembly, inspection, and main boom assembly after maintenance.

SECTION 5 - BASIC HYDRAULIC INFORMATION & HYDRAULIC SCHEMATICS

5.2 HYDRAULIC CONNECTION ASSEMBLY AND TORQUE SPECIFICATION

Details various hydraulic connection types, assembly instructions, and torque specifications for safe installation.

5.3 HYDRAULIC CYLINDERS

Covers disassembly, assembly, and inspection procedures for hydraulic cylinders, including acceptable leakage.

5.6 PRESSURE SETTING PROCEDURE

Explains how to set hydraulic pressures, considering temperature, and outlines procedures for relief valves.

SECTION 6 - JLG CONTROL SYSTEM

6.1 JLG CONTROL SYSTEM ANALYZER KIT INSTRUCTIONS

Guides on using the JLG Control System Analyzer Kit for diagnostics, setup, and personality adjustments.

6.2 MACHINE PERSONALITY SETTINGS AND FUNCTION SPEEDS

Details adjustable personality settings and function speeds for optimizing machine performance.

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