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Skyjack SJ16 Service Manual

Skyjack SJ16
143 pages
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SERVICE
MANUAL
VERTICAL MAST
213558ADA
January 17, 2022
ANSI/CSA, CE , AS
SJ12, SJ16

Table of Contents

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Skyjack SJ16 Specifications

General IconGeneral
Gradeability25%
Drive Motor24V DC
Max Gradeability25%
Platform Height16 ft
Lift Capacity500 lbs
Machine Width0.76 m
Overall Width0.76 m
Drive Speed (Stowed)4.8 km/h
Drive Speed (Raised)0.8 km/h
Turning Radius (Inside)0 in
Power Source24V DC Electric

Summary

Section 1 – Scheduled Maintenance

Read and Heed Maintenance Safety

Understand essential safety and operational guidance before performing maintenance.

Maintenance and Inspection Schedule

Outlines intervals for MEWP maintenance and inspections as per schedule.

Owner’s Annual Inspection Record

Record for tracking annual MEWP inspections and maintenance completion.

Inspection Checklist Procedures

Guide for frequent, periodic, annual, and pre-delivery inspections.

General MEWP Inspections

Covers general checks like service bulletins, annual inspections, labels, and limit switches.

Base Inspections

Inspecting critical components of the MEWP base for safety.

Mast Inspections

Inspecting mast assembly, chains, rollers, and sensors for wear.

Platform Inspections

Inspecting platform railings, gate, console, and extension for integrity.

Function Tests

Performing operational tests to ensure MEWP functionality before use.

Section 2 – Maintenance Data Tables and Diagrams

Standard Hose Numbering System

Explains the coding system for identifying hydraulic hoses and fittings.

Specifications and Features (ANSI/CSA)

Technical specifications (weight, dimensions, height, speed) for ANSI/CSA MEWPs.

Specifications and Features (CE, AS)

Technical specifications (weight, dimensions, height, speed) for CE/AS MEWPs.

Maximum Platform Capacities

Details platform load capacities by model, wind rating, and extension status.

Floor Loading Pressure Data

Information on MEWP floor loading pressures (LCP, OFL) for safe operation.

Torque Specifications for Fasteners

Provides essential torque values for various fasteners during assembly and maintenance.

Torque Specifications for Hydraulic Components

Torque values for hydraulic couplings and hoses for proper connection.

Section 3 – System Component Identification and Schematics

Electrical Symbol Reference Chart

Defines standard electrical symbols used in schematics for clarity.

Hydraulic Symbol Reference Chart

Defines standard hydraulic symbols used in schematics for system diagrams.

Wire Number and Color Code Guide

Cross-reference for wire numbers and their corresponding colors in electrical drawings.

Hydraulic Component Part Identification

Lists and identifies key hydraulic components with part numbers.

Electrical Component Part Identification

Lists and identifies key electrical components with part numbers.

Cylinder and Port Identification Details

Identifies hydraulic cylinders and their associated ports for connection.

Wheel Brake and Port Identification

Identifies wheel brake assemblies and their connection ports.

Powerpack Component and Port Identification

Identifies powerpack components and their connection ports.

Platform Control Wiring Schematics

Wiring diagrams illustrating the platform control system connections.

Mast and Electrical Schematic Diagrams

Provides detailed hydraulic and electrical schematic diagrams of system functions.

Base Control Wiring Schematics

Wiring diagrams illustrating the base control system connections.

Main Electrical Harness Routing Diagrams

Diagrams illustrating the main electrical harness routing and connections.

Section 4 – Troubleshooting Information and Solutions

Troubleshooting Introduction and Guidance

Guidance on effectively using the troubleshooting section for repairs.

Electrical System Troubleshooting

Diagnosing and resolving electrical system issues for MEWP functions.

Hydraulic System Troubleshooting

Diagnosing and resolving hydraulic system issues for MEWP functions.

Section 5 – Procedures and Maintenance

General Procedure Information

Overview of procedures for equipment servicing and maintenance.

Electrical System Adjustment Procedures

Procedures for adjusting electrical system components for optimal function.

Hydraulic System Adjustment Procedures

Procedures for adjusting hydraulic system pressures and settings.

Electronic Tilt Switch Setup and Reprogramming

Procedures for replacing and reprogramming the electronic tilt switch.

Wheel Reinstallation and Torquing Guide

Steps for correctly reinstalling and torquing wheels on the MEWP.

Battery and Charger Maintenance

Instructions for MEWP battery servicing and charger operation.

Charger Troubleshooting and Profile Selection

Guidance for troubleshooting charger errors and selecting correct battery profiles.

Pothole Limit Switch Replacement Procedure

Procedure for replacing and adjusting the pothole limit switch.

Mast Lubrication Maintenance Procedures

Instructions for lubricating mast assembly components for smooth operation.

Mast Roller Inspection and Maintenance

Procedures for inspecting and maintaining mast rollers for smooth operation.

Mast Chain Visual Inspection Guide

Visual inspection guidelines for mast chains to identify wear or damage.

Mast Disassembly and Section Removal

Step-by-step instructions for disassembling the mast assembly.

Mast Roller Replacement Procedure

Detailed steps for removing and replacing mast rollers.

Mast Assembly and Section Installation

Instructions for assembling the mast sections correctly.

Lift Cylinder Replacement Procedure

Steps for removing and installing the machine's lift cylinder.

Railing Maintenance and Repair Guidelines

Guidelines for maintaining and repairing MEWP railings and gates.

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