Skyjack SJ4740 Electric Scissor Lift Service Manual
157 pages · Publication 212510AFA
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- Models
- SJ4740
- Serial coverage
- SJ4740: A103000001 - A103006999
- Manual type
- Service Manual
- Pages
- 157
- Publication
- 212510AFA
- Condition
- Brand new
What's inside
From the manual's own table of contents: 5 sections, 144 entries. See sample pages (PDF, 544 KB)
Section 1 – Scheduled Maintenance31 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
- 1.1-4 Service Policy and Warranty
- 1.1-5 Ownership of MEWP
- 1.1-6 Optional equipment
- General information
- 1.2-1 Owner’s annual inspection record
- 1.2-2 Replacement parts
- 1.2-3 Maintenance and service safety tips
- 1.2-4 Hydraulic system & component maintenance and repair
- 1.2-5 Hydraulic oil maintenance
- 1.2-6 Hydraulic maintenance tips
- 1.2-7 Railing maintenance and repair
- 1.2-8 Multi-conduction control cable repair
- Scheduled maintenance and inspections
- 1.3-1 Service bulletins
- 1.3-2 Maintenance and inspections
- 1.3-3 Schedule and instructions
- 1.3-4 Function tests
- Owner’s Annual Inspection Record
- Frequent/Periodic/Annual/Pre-Delivery Inspection Checklist
- Scheduled maintenance inspections
- 1.6-1 Service Bulletins
- 1.6-2 Annual Inspections
- 1.6-4 Pothole Protection Limit Switches
- Base Inspection
- Scissors Inspection
- Platform Inspection
- Function Tests
Section 2 – Maintenance Tables and Diagrams9 topics
- Standard Hose Numbering System
- Torque Specifications for Fasteners (US)
- Torque Specifications for Fasteners (Metric)
- Torque Specifications for Hydraulic Couplings & Hoses
- Torque specifications for cartridges and coils
- MEWP Torque Specifications
- Specifications & Features
- Maximum Platform Capacities (Evenly Distributed)
- Floor Loading Pressure
Section 3 – System Component Identification and Schematics29 topics
- Electrical Symbol Chart
- Hydraulic Symbol Chart
- Wire Number and Color Code
- Hydraulic Parts List
- Electrical Parts List
- Platform Control Box Wiring
- Platform Control Box Wiring - SGLE
- Base to Platform Control Cable
- Base Control Wiring
- Emergency Lowering Switch Wiring
- Limit Switch Wiring - Pothole Protection
- Limit Switch Wiring - Anti-Overrising Posts (KC Only)
- Anti-Overrising Harnesses (KC Only)
- Electrical Harnesses
- Outdoor Switch Wiring and Harness (ANSI/CSA Only)
- Battery Cable Connections
- Inverter wiring
- Drive Manifold - MB5
- Brake Manifold - MB2
- Dual Lift Cylinder Manifold - MB3 & MB4
- Major Component Identification
- Main Manifold
- Hydraulic Schematics - ANSI/CSA, AS, KC
- Hydraulic Schematics - CE
- Telematics Harness
- Electrical Schematic - All Option - ANSI/CSA
- Electrical Schematics - All Options - CE
- Electrical Schematic - All Option - AS
- Electrical Schematics - All Options - KC
Section 4 – Troubleshooting Information33 topics
- Introduction
- Electrical System
- 4.2-1 All Controls Inoperative
- 4.2-2 All Controls Except for Down Function Inoperative
- 4.2-3 All Controls Inoperative From Base Control Console
- 4.2-4 No Up Function from Base Control Console
- 4.2-5 No Down Function from Base Control Console
- 4.2-6 No Emergency Down Function from Base Control Console*
- 4.2-7 All Controls Inoperative From Platform Control Console
- 4.2-8 No Up Function from Platform Controls (ANSI/CSA, CE, and AS)
- 4.2-9 No Up Function from Platform Controls (KC)
- 4.2-10 No Down Function from Platform Controls
- 4.2-11 Right Steer Inoperative
- 4.2-12 Left Steer Inoperative
- 4.2-13 Forward Drive Function Inoperative
- 4.2-14 Reverse Drive Function Inoperative
- 4.2-15 No Drive or Steer when Platform Elevated
- 4.2-16 High/Low Torque Inoperative
- 4.2-17 Pressure Transducer PT1 Inoperative
- 4.2-18 Angle Transducers AT1 and/or AT2 Inoperative
- Hydraulic System
- 4.3-1 All Functions Inoperative
- 4.3-2 All System Sluggish
- 4.3-3 Platform Drifts Down
- 4.3-4 Platform Lifts Slowly
- 4.3-5 Platform Does Not Lift
- 4.3-6 Platform Will Not Lower
- 4.3-7 Platform Drives Slow
- 4.3-8 Platform Will Not Drive in Forward or Reverse
- 4.3-9 Brake(s) will not Release
- 4.3-10 MEWP Will Not Hold on a Grade
- 4.3-11 Platform does not Steer
- 4.3-12 High/Low Torque Inoperative
Section 5 – Procedures37 topics
- General
- 5.1-1 Safety and Workmanship
- Platform
- 5.2-1 Single Axis Joystick
- 5.2-2 Gate Spring Hinge Adjustment
- 5.2-3 Platform Mounting Hardware
- Base
- 5.3-1 System Relief Pressure Adjustment
- 5.3-2 Lift relief pressure adjustment
- 5.3-3 Pothole Compression Rod Replacement
- 5.3-4 Replace and Adjust the Pothole Limit Switches (LS1 battery tray side & LS2 hydraulic tray side)
- 5.3-5 Pothole Bar Replacement/Removal for Servicing
- 5.3-6 Tightening and Torque Recommendations for Hydraulic Couplings and Hoses
- 5.3-7 Integrated Hub Wheel Removal and Installation
- 5.3-8 Test the DC motor
- Battery and Charger
- 5.4-1 Service the battery
- 5.4-2 Charger Maintenance
- 5.4-3 Charger Profiles
- 5.4-4 Charger Troubleshooting
- 5.4-5 Charger Error Codes
- Skycoded Module
- 5.5-1 Skycoded Control Module (CM1)
- 5.5-2 Skycoded Control Module Pin Chart
- 5.5-3 Calibration and Diagnostic Tool Key Functions
- 5.5-4 Diagnostics, Help Messages and Flash Codes
- 5.5-5 Override Mode Procedure
- 5.5-6 Initial Set-up and Change Defaults Procedure
- 5.5-7 Access Levels Procedure
- 5.5-8 Calibrate Level Procedure
- 5.5-9 Calibrate Load Procedure
- 5.5-10 Language Setting Procedure
- 5.5-11 All Motion Alarm
- 5.5-12 Calibration Load - Faults
- Software Updates
- 5.6-1 Flash the controller
- 5.6-2 EZcal pro update
Inside this manual
Real pages from this service manual (157 pages). Open the sample pages (PDF, 542 KB)
- Specifications, page 37: Section 2 – Maintenance Tables and Diagrams
- Diagram, page 55: Section 3 – System Component Identification and Schematics
- Troubleshooting, page 151: Fault Code List (Continued)
- Color page, page 9
- Color page, page 108: Section 5 – Procedures
- Foldout diagram (color), page 61: 3.22 Main Manifold
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the SJ4740 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, 157 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).