Skyjack SJIII 3220 3226 4620 4626 4632 DC Electric Scissors Service Manual

Description

Skyjack SJIII 3220, 3226, 4620, 4626, 4632 DC Electric Scissors Service Manual

The Skyjack SJIII 3220 3226 4620 4626 4632 DC Electric Scissors Service Manual is the complete workshop reference for the five SJIII DC electric scissor lift models. Published under document number 165978AK, this 150-page service manual covers scheduled maintenance, hydraulic and electrical system repair, component identification, full schematics, and step-by-step troubleshooting for every function on the machine.

File Details

• Manual type: Service Manual
• Brand: Skyjack
• Models covered: SJIII 3220, SJIII 3226, SJIII 4620, SJIII 4626, SJIII 4632 (DC Electric Scissors)
• Document number: 165978AK
• Language: English
• Page count: 150 pages
• File format: PDF

Chapters Covered

• Section 1 – Maintenance and Inspection
  • 1.1 Read and Heed
  • 1.2 Maintenance and Inspection Schedule
  • 1.3 Hydraulic System & Component Maintenance and Repair
  • 1.4 About this Section
  • 1.5 Owner’s Annual Inspection Record
  • 1.6 Pre-Delivery/Maintenance Inspection Checklist
  • 1.7 Visual & Daily Maintenance Inspections
  • 1.8 Function Tests
• Section 2 – Maintenance Tables and Diagrams
  • 2.1 Specifications and Features
  • 2.2 Torque Specifications for Fasteners (US)
  • 2.3 Torque Specifications for Fasteners (Metric)
  • 2.4 Torque Specifications for Hydraulic Couplings & Hoses
  • 2.5 Floor Loading Pressure
  • 2.6 Maximum Platform Capacities
  • 2.7 Torque Specifications
• Section 3 – System Component Identification and Schematics
  • 3.1 Electrical Symbol Chart
  • 3.2 Hydraulic Symbol Chart
  • 3.3 Wire Number and Color Code
  • 3.4 AC Cord Color Code
  • 3.5 Hydraulic Schematic Parts List
  • 3.6 Electrical Component Parts List
  • 3.7-3.9 Hydraulic Manifold and Port Identifications
  • 3.10-3.12 Platform Control Console Diagrams
  • 3.13-3.16 Base Control Console Diagrams
  • 3.17 Scissor Arm Control Cable
  • 3.18 Holding Valve & Horn Harnesses
  • 3.19 Limit Switch Diagrams
  • 3.20-3.23 Hydraulic Schematics
  • 3.24 Main Manifold Harness and Holding Valve Harness
  • 3.25 Elevate Telematics Harness
  • 3.26-3.32 Electrical Panel Diagrams
  • 3.33 Control Module and Beeper Diagram
  • 3.34-3.37 Electrical Schematics
• Section 4 – Troubleshooting Information
  • 4.1 Introduction
  • 4.2 Electrical System (4.2-1 to 4.2-26)
  • 4.3 Hydraulic System (4.3-1 to 4.3-13)
• Section 5 – Procedures
  • 5.1 General
  • 5.2 Base (System Relief Pressure, Lift Pressure, Resistor-Voltage Divider, Electronic Tilt Switch Setup, Pothole Limit Switch Replacement, Wheel Replacement and Torquing, Hydraulic Coupling Torque, Battery and Charger Maintenance)
  • 5.3 Platform (Gate Spring Hinge Adjustment, Platform Mounting Hardware)
  • 5.4 Scissors (High Speed Cutout Limit Switches LS1A/LS1B and Drive Override Limit Switch LS6)
  • 5.5 EZcal Diagnostic Tool
  • 5.6 GP-102 Load Sensing Controller
  • 5.7 GP-108 Load Sensing Controller

Together these sections give a technician a complete picture of the SJIII DC electric scissor platform. The maintenance and inspection chapter sets out the PDI, frequent, and annual schedules with an owner’s annual inspection record and a full pre-delivery checklist. The hydraulic and electrical troubleshooting tables walk through every symptom — from “all controls inoperative” and “platform will not lift” to steering, brake release, and power extension faults — with probable cause and remedy side by side. The procedures chapter carries the actual adjustments and repairs: relief pressure settings, electronic tilt switch setup, wheel bearing and torque procedures, hydraulic coupling torque, and load calibration for both the GP-102 and GP-108 controllers. Complete hydraulic and electrical schematics, wire number and colour codes, manifold port identifications, and control console wiring diagrams round out the reference.

Models, Capacities and Key Specifications Covered

• SJIII 3220 — 408 kg manual / 363 kg powered platform capacity, 8.0 m working height
• SJIII 3226 — 227 kg capacity, 9.9 m working height
• SJIII 4620 — 590 kg capacity, 8.1 m working height
• SJIII 4626 — 454 kg capacity, 9.9 m working height
• SJIII 4632 — 317 kg capacity, 11.8 m working height

All five models share the same 24-volt DC electric drive system, solid rubber 16 x 5 x 12 tyres, 25% gradeability, and a 24-litre hydraulic reservoir. Full operating specifications, floor loading pressures, torque charts for US, metric, and hydraulic fittings, and maximum platform capacities are printed in Section 2.

What This Skyjack Service Manual Enables You to Do

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With the Skyjack SJIII 3220 3226 4620 4626 4632 DC Electric Scissors Service Manual in hand, a qualified technician can carry out the full range of scheduled maintenance, diagnose electrical and hydraulic faults function by function, adjust relief pressures and limit switches to factory values, replace wheel bearings and hubs to the correct torque sequence, set up the electronic tilt switch, and perform load calibration on the GP-102 or GP-108 controller. Correct torque values, pressure settings, and calibration procedures protect the stability of the machine and the safety of anyone working at height — using the wrong figure risks drift, brake failure, or tip-over. The manual is delivered as an instant PDF download: no shipping, no waiting, readable on any device, and printable for the workshop or the cab.