Skyjack SJ20 Vertical Mast Lift Service Manual
153 pages · Publication 238886AFA
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- Models
- SJ20
- Serial coverage
- SJ20: A601000001 to A601000905
- Manual type
- Service Manual
- Pages
- 153
- Publication
- 238886AFA
- Condition
- Brand new
What's inside
From the manual's own table of contents: 5 sections, 144 entries. See sample pages (PDF, 580 KB)
Section 1 – Scheduled Maintenance27 topics
- Read and Heed
- 1.1-1 Mobile Elevating Work Platform (MEWP) Definition
- 1.1-2 Purpose of Equipment
- 1.1-3 Use of Equipment
- 1.1-5 Service Policy and Warranty
- 1.1-6 Operator Safety Reminders, Warnings and Precautions
- Maintenance and Inspection Schedule
- 1.2-1 Owner’s Annual Inspection Record
- 1.2-2 Replacement Parts
- 1.2-3 Maintenance and Service Safety Tips
- Hydraulic System & Component Maintenance and Repair
- 1.3-1 Maintenance Hints
- About this Section
- 1.4-1 Service Bulletins
- 1.4-2 Maintenance and Inspection
- 1.4-3 Maintenance Instructions
- Owner’s Annual Inspection Record
- Frequent/Periodic/Annual/Pre-Delivery Inspection Checklist
- Visual and daily maintenance inspections
- 1.7-2 Electrical
- 1.7-3 Limit Switches
- 1.7-4 Hydraulic
- 1.7-6 Wheel/tire assembly
- 1.7-7 Platform assembly
- 1.7-8 Hydraulic/electrical compartment
- 1.7-9 Lift mechanism
- 1.7-10 Optional equipment and attachments
Section 2 – Maintenance Tables and Diagrams8 topics
- Standard Hose Numbering System
- Specifications and Features
- Maximum Platform Capacities (Evenly Distributed)
- Floor Loading Pressure ANSI/CSA
- Torque Specifications
- Torque Specifications for Fasteners (US Imperial)
- Torque Specifications for Fasteners (Metric)
- Torque Specifications for Hydraulic Couplings & Hoses
Section 3 – System Component Identification and Schematics25 topics
- Electrical Symbol Chart
- Hydraulic Symbol Chart
- Wire Number and Color Code
- Hydraulic Parts List
- Electrical Parts List
- Hydraulic Connections
- Platform Control Box Wiring
- Platform Control Cable Wiring
- Platform Control Box Wiring - SGLE
- Platform Control Cable Wiring - SGLE
- Beeper
- Base Limit Switch
- Platform Limit Switches
- Motor and Controller Connections
- Mast Cable Harness
- Elevate Telematics Harness
- Battery Management System Harness
- Tilt Switch Harness
- Major Component Identification
- Hydraulic Schematic
- Base Control Wiring
- Main Harness - ZAPI A
- Main Harness Wiring - ZAPI A
- Main Harness - ZAPI B
- Electrical Schematic
Section 4 – Troubleshooting Information18 topics
- Introduction
- Electrical System
- 4.2-1 All Controls Inoperative
- 4.2-2 No Lift or Steer Functions
- 4.2-3 No Lift from Base or Platform
- 4.2-4 No Lower from Base or Platform
- 4.2-5 No Lift or Lower from Base Controls
- 4.2-6 No Lift from Base Controls
- 4.2-7 No Lower from Base Controls
- 4.2-8 No Functions from Platform Controls
- 4.2-9 No Lift/Lower from Platform Controls
- 4.2-10 No Steer Left
- 4.2-11 No Steer Right
- Hydraulic System
- 4.3-1 All Hydraulic Controls Inoperative (No Lift or Steer Functions)
- 4.3-2 No Lift Function
- 4.3-3 No Lower Function
- 4.3-4 No Steer Left and/or Right
Section 5 – Procedures61 topics
- General
- 5.1-1 Safety and Workmanship
- 5.1-2 Diagnostic Switch
- Platform
- 5.2-1 Remove the Platform
- 5.2-2 Replace the Load Cells
- 5.2-3 Install the Platform
- 5.2-4 Railing Maintenance and Repair
- Mast
- 5.3-1 Lubricate the Mast
- 5.3-2 Remove the Lift Cylinder
- 5.3-3 Install the Lift Cylinder
- 5.3-4 Remove the Mast and Lift Cylinder Together
- 5.3-5 Install the Mast and Lift Cylinder Together
- 5.3-6 Replace the Mast Wear Pads
- Tilt Switch
- 5.4-1 Level the MEWP
- 5.4-2 Replace the tilt switch
- 5.4-3 Program the tilt switch
- 5.4-4 Tilt switch operation
- Pin Charts
- 5.5-1 ZAPI Controller Pin Chart
- 5.5-2 Joystick 32-Pin Connector Chart
- Display Module
- 5.6-1 Calibration and Diagnostic Tool Key Functions
- 5.6-2 Language menu
- 5.6-3 Machine type menu
- 5.6-4 Region menu
- 5.6-5 Battery type menu
- 5.6-6 Console menu
- 5.6-7 Password menu
- 5.6-8 Calibration menu
- 5.6-9 Tilt sensor calibration menu
- 5.6-10 Load cell nominal weight calibration menu
- 5.6-11 Access flowchart menu
- 5.6-12 Display Module Error Codes
- 5.6-13 Tester Menu - Master uC
- 5.6-14 Tester Menu - Slave uC
- 5.6-15 Set the Access Level
- 5.6-16 Set the Language
- 5.6-17 Set the Machine Type
- 5.6-18 Set the Region
- 5.6-19 Set the Battery Type
- 5.6-20 Select the Console
- 5.6-21 Tilt Sensor Calibration
- 5.6-22 Nominal Weight Calibration
- 5.6-23 Check the platform load
- 5.6-24 Test the load cells
- Batteries
- 5.7-1 Service the batteries
- Battery Charger
- 5.8-1 Charger Maintenance
- 5.8-2 Charger Profiles
- 5.8-3 Charger Troubleshooting
- 5.8-4 Charger Error Codes
- Wheels
- 5.9-1 Remove the front wheel
- 5.9-2 Install the front wheel
- 5.9-3 Remove the rear wheel
- 5.9-4 Prepare the new rear wheel
- 5.9-5 Install the rear wheel
Inside this manual
Real pages from this service manual (153 pages). Open the sample pages (PDF, 579 KB)
- Specifications, page 31: Section 2 – Maintenance Tables and Diagrams
- Diagram, page 49: Section 3 – System Component Identification and Schematics
- Troubleshooting, page 141: Batteries
- Color page, page 9
- Foldout diagram, page 58: 3.25 Electrical Schematic
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the SJ20 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
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This is a service manual
Here's how it compares to the other manual types.
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 153 pages
Quantity one is the manual described above.
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Other editions and similar models
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).