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Skyjack SJ 4632 Service Manual

Skyjack SJ 4632
130 pages
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Service Manual
SJIII Conventional Series
MODELS SJ 3220 SJ 3226 SJ 4620 SJ 4626 SJ 4632
Part No. 143911AD November 2013

Table of Contents

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Skyjack SJ 4632 Specifications

General IconGeneral
BrandSkyjack
ModelSJ 4632
CategoryBoom Lifts
LanguageEnglish

Summary

Section 1 Scheduled Maintenance Inspections

Operator's Responsibility for Maintenance

Outlines operator duties for safe and proper equipment use and maintenance.

Scope of this Manual

Defines the manual's applicability to ANSI/SIA, CSA, and CE versions of SJIII aerial platforms.

Safety Precautions

Lists essential safety rules and precautions to prevent accidents and injuries during operation.

Maintenance and Inspection Schedule

Explains how the operating environment dictates the maintenance schedule and inspection points.

Maintenance and Service Safety Tips

Provides essential safety tips for personnel performing maintenance and repair work.

Scheduled Maintenance Inspections

Details the procedures for performing scheduled maintenance inspections on electrical and hydraulic systems.

Function Tests

Outlines tests to discover malfunctions before putting the aerial platform into service.

Section 2 Maintenance Tables and Diagrams

Specifications and Features

Provides detailed specifications and features for ANSI/CSA, CE, and AS versions of the aerial platforms.

Floor Loading Pressure

Details floor loading pressure calculations (LCP and OUP) for different models under ANSI/CSA standards.

Maximum Platform Capacities

Lists maximum platform capacities and occupancy limits for ANSI/CSA models, including extension configurations.

Torque Specifications

Specifies torque values for various components like valve mounting bolts, cartridge, coils, and SAE plugs.

Section 3 System Component Identification and Schematics

Electrical Symbol Chart

Provides a comprehensive list of electrical symbols used in the manual for circuit diagrams.

Hydraulic Symbol Chart

Presents hydraulic symbols and their meanings, crucial for interpreting hydraulic schematics.

Wire Number and Color Code

Details the wire numbering and color coding system used for electrical drawings and schematics.

Hydraulic Manifold and Port Identifications

Illustrates and identifies ports and components on the hydraulic manifold for various models.

Electrical Components Parts List

Enumerates electrical components such as relays, coils, switches, and indicators with their respective part numbers.

Platform Control Console Diagram

Shows the wiring diagram for the platform control console, illustrating connections for toggle and rotary switches.

Section 4 Troubleshooting Information

Introduction

Explains the structure of the troubleshooting section, focusing on probable causes and remedies.

Electrical System Troubleshooting

Addresses issues related to inoperative controls, drive functions, and other electrical system faults.

Hydraulic System Troubleshooting

Covers troubleshooting for hydraulic system problems like inoperative functions, slow operation, and steering issues.

Load Sensing System - CE Troubleshooting

Details troubleshooting for CE load sensing system flash codes, providing error code meanings and checks.

Section 5 Procedures

General Procedures

Provides general information and guidance for using servicing and maintenance procedures.

Safety and Workmanship in Procedures

Emphasizes safety as the primary consideration during maintenance, including weight awareness and proper support.

OEM Controller Electronics Procedures

Explains OEM controller electronics, flow control, and adjustment procedures for trimpots.

System Relief Pressure Adjustment

Details the procedure for adjusting the system relief pressure using a gauge and manual override.

Electronic Tilt Switch Setup Procedure

Outlines the steps for replacing, reprogramming, and testing the electronic tilt switch.

Control Module Load Calibration Procedure

Provides a step-by-step guide for calibrating the control module load, including setting up the Easy-Cal tool.

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