Skyjack SJ45 AJ+ Articulating Boom Lift Service Manual
191 pages · Publication 238274AGA
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- Models
- SJ45 AJ+
- Serial coverage
- SJ45 AJ+: A301100001-A301199999
- SJ45 AJ+: B301100001-B301199999
- Manual type
- Service Manual
- Pages
- 191
- Publication
- 238274AGA
- Condition
- Brand new
What's inside
From the manual's own table of contents: 5 sections, 250 entries. See sample pages (PDF, 793 KB)
Section 1 – Maintenance23 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
- 1.3-5 Pre-delivery/maintenance inspection checklist
- 1.3-6 Inspection points
- 1.3-7 Function tests
Section 2 – Maintenance Tables and Diagrams13 topics
- Standard Hose Numbering System
- Torque Specifications for Fasteners (Metric)
- Torque Specifications for Fasteners (US Imperial)
- Torque Specifications for Hydraulic Couplings & Hoses
- MEWP Torque Specifications
- Axle Torque Specifications
- Axle Maintenance Intervals
- Hydraulic Specifications
- MEWP Specifications
- Platform Capacities
- Fluids
- Engines
- Reach Diagram
Section 3 – System Component Identification and Schematics40 topics
- Electrical Symbol Chart
- Hydraulic Symbol Chart
- Wire Number and Colour Chart
- Hydraulic Parts List
- Electrical Parts List
- Brake Manifold Components and Ports
- Drive and System Pump Ports
- Drive Motor Ports
- Jib Valve Ports
- Main Manifold Ports
- Main Manifold Electrical Components
- Main Manifold Hydraulic Components
- Major Components
- Main Harness and Fuel Level Switch Harness
- Engine Harness - D1305
- Engine Harness Wiring Diagram - D1305
- Engine Harness - WG972
- Engine Harness Wiring Diagram - WG972
- Jib and Platform Rotate Harness
- Limit Switch Connections
- SGE Connections - 2-wire version
- SGE Connections - 4-wire version
- Load Cell Connections
- Footswitch Connections
- CANbus Cable Connections
- Power Cable Connections
- All Motion Alarm Connections - CE & AS
- Flashing Amber Light Connections
- Positive Air Shut-off Harness - Kubota D1305
- Drive Pump Harness - Hengli
- 3.31 7.5 kW Generator Connections
- Hydraulic Schematic - for MEWPs with Eaton drive pumps and motors
- Hydraulic Schematic - for MEWPs with Hengli drive pumps and motors
- Platform Control Box Wiring
- Base Control Box Wiring - ANSI/CSA & AS
- Base Control Box Wiring - CE
- Electrical Schematic - ANSI/CSA & AS
- Electrical Schematic - CE
- Engine Schematic - Kubota D1305
- Engine Schematic - Kubota WG972
Section 4 – Troubleshooting Information89 topics
- Introduction
- Electrical System
- 4.2-1 All Controls are Inoperative from the Base or Platform Console
- 4.2-2 All Controls are Inoperative from the Base Console
- 4.2-3 The Engine will not Crank from the Base or Platform
- 4.2-4 The Engine will not Crank from the Base
- 4.2-5 The Engine will not Crank from the Platform
- 4.2-6 The Boom Controls are Inoperative (Drive Operates)
- 4.2-7 No Boom Up from the Base or Platform Controls
- 4.2-8 No Boom Up from the Base Console
- 4.2-9 No Boom Up from the Platform Console
- 4.2-10 No Boom Down from the Base or Platform Consoles
- 4.2-11 No Boom Down from the Base Console
- 4.2-12 No Boom Down from the Platform Console
- 4.2-13 No Turret Rotate Right from the Base or Platform Consoles
- 4.2-14 No Turret Rotate Right from the Base Console
- 4.2-15 No Turret Rotate Right from the Platform Console
- 4.2-16 No Turret Rotate Left from the Base or Platform Consoles
- 4.2-17 No Turret Rotate Left from the Base Console
- 4.2-18 No Turret Rotate Left from the Platform Console
- 4.2-19 No Riser Up from the Base or Platform Consoles
- 4.2-20 No Riser Up from the Base Console
- 4.2-21 No Riser Up from the Platform Console
- 4.2-22 No Riser Down from the Base or Platform Consoles
- 4.2-23 No Riser Down from the Base Console
- 4.2-24 No Riser Down from the Platform Console
- 4.2-25 No Telescope Out from the Base or Platform Consoles
- 4.2-26 No Telescope Out from the Base Console
- 4.2-27 No Telescope Out from the Platform Console
- 4.2-28 No Telescope In from the Base or Platform Consoles
- 4.2-29 No Telescope In from the Base Console
- 4.2-30 No Telescope In from the Platform Console
- 4.2-31 No Platform Level Up from the Base or Platform Consoles
- 4.2-32 No Platform Level Up from the Base Console
- 4.2-33 No Platform Level Up from the Platform Console
- 4.2-34 No Platform Level Down from the Base or Platform Consoles
- 4.2-35 No Platform Level Down from the Base Console
- 4.2-36 No Platform Level Down from the Platform Console
- 4.2-37 No Platform Rotate or Jib Functions from the Base or Platform Consoles
- 4.2-38 No Platform Rotate Right from the Base or Platform Consoles
- 4.2-39 No Platform Rotate Right from the Base Console
- 4.2-40 No Platform Rotate Right from the Platform Console
- 4.2-41 No Platform Rotate Left from the Base or Platform Consoles
- 4.2-42 No Platform Rotate Left from the Base Console
- 4.2-43 No Platform Rotate Left from the Platform Console
- 4.2-44 No Jib Up from the Base or Platform Consoles
- 4.2-45 No Jib Up from the Base Console
- 4.2-46 No Jib Up from the Platform Console
- 4.2-47 No Jib Down from the Base or Platform Consoles
- 4.2-48 No Jib Down from the Base Console
- 4.2-49 No Jib Down from the Platform Console
- 4.2-50 No Drive or Steer Functions
- 4.2-51 No Forward or Reverse Drive
- 4.2-52 No Forward Drive
- 4.2-53 No Reverse Drive
- 4.2-54 The Brake will not Release
- 4.2-55 No Left Steer
- 4.2-56 No Right Steer
- 4.2-57 The Directon Sensing is Inoperative
- 4.2-58 The Load Sense Indicates Overload or Overload Warning with the Platform Empty or Below Weight
- 4.2-59 The Overload Indicator Light does not Turn On when the Platform is Overloaded
- 4.2-60 The Audible Alarm does not Turn On with the Platform Overloaded
- Hydraulic System
- 4.3-1 All Controls Inoperative
- 4.3-2 All Boom Functions Inoperative
- 4.3-3 No Main Boom Up
- 4.3-4 No Main Boom Down
- 4.3-5 No Riser Boom Up
- 4.3-6 No Riser Boom Down
- 4.3-7 Riser Boom Down Jerky
- 4.3-8 No Turret Rotate Left
- 4.3-9 No Turret Rotate Right
- 4.3-10 No Boom Extend
- 4.3-11 No Boom Retract
- 4.3-14 No Platform Rotation Right
- 4.3-15 No Platform Rotation Left 4
- 4.3-16 Platform will not Level Down Manually
- 4.3-17 Platform will not Level Up Manually
- 4.3-18 Brake will not Release
- 4.3-19 Brake will not Engage
- 4.3-20 Differential Lock will not Engage
- 4.3-21 No Drive Forward or Reverse
- 4.3-22 No Forward Drive
- 4.3-23 No Reverse Drive
- 4.3-24 No High Speed Drive
- 4.3-25 No Right Steer
- 4.3-26 No Left Steer
- 4.3-27 Axle Will Not Oscillate
- 4.3-28 Axle Will Not Lock
Section 5 – Procedures80 topics
- Safety and Workmanship
- System Control Module (SCM)
- 5.2-1 User Interface Keys
- 5.2-2 SCM Character Functions Charts
- 5.2-3 SCM Function Channel Names
- 5.2-4 SCM Model and Software Check
- 5.2-5 SCM Pin Reference
- 5.2-6 SCM Recommended Settings - Kubota WG972 Dual Fuel Engine
- 5.2-7 Default Recommended Settings - Kubota D1305 Diesel Engine
- 5.2-8 Unlock and Modify the SCM
- 5.2-9 SCM Model Select
- 5.2-11 Load Cell Calibration
- 5.2-12 Load Cell Calibration Flowchart
- 5.2-13 CANbus communication issues
- 5.2-14 CANbus communication check
- 5.2-15 CANbus troubleshooting
- 5.2-16 Verify the CANbus line
- 5.2-17 CANbus connections diagram
- 5.2-18 Drive speed tests
- 5.2-19 Adjust the drive speeds
- Platform
- 5.3-1 Fly Boom Switch Voltage References
- 5.3-2 Platform Controller Voltage References
- 5.3-3 Load cell 10% error troubleshooting
- 5.3-4 Replace the load cell
- Boom
- 5.4-1 Check Wear Pads
- 5.4-2 Shim Wear Pads
- 5.4-3 Cable Carrier Repair
- 5.4-4 Rotary Actuator Bolt Torque Procedure
- 5.4-5 Master Cylinder Replacement
- Limit Switches
- 5.5-1 Limit Switch Locations and Trip Points
- Turret
- 5.6-1 Check and Replace the High Pressure Filter
- 5.6-2 Ring Gear Bolt Torque Sequence
- 5.6-3 Check the Ring Gear for Axial Wear
- 5.6-4 Battery Replacement
- 5.6-5 Tilt Switch Operation
- 5.6-6 Set Up a New Tilt Switch
- 5.6-7 Reprogram an Existing Tilt Switch
- Engines
- 5.7-1 Replace Engine Oil and Filter
- 5.7-2 Replace the Fuel Filter
- 5.7-3 Replace the Air Filter
- 5.7-4 Check the Engine Belt
- 5.7-6 Kubota D1305 Error Codes
- 5.7-7 Kubota WG972 Error Codes
- Generator
- 5.8-1 Tension the Generator Belt
- Hydraulic Tank
- 5.9-1 Hydraulic Oil Replacement
- 5.9-2 Hydraulic Filter Replacement
- Manifold and Hydraulic Pumps
- 5.10-1 Hydraulic Brake Pressure Adjustment
- 5.10-2 Hydraulic System Relief Valve Adjustment
- 5.10-3 Riser Down Relief Valve Adjustment
- 5.10-4 Turret Rotate Relief Valve Adjustment
- 5.10-5 Platform Level Relief Valve Adjustment
- 5.10-6 Test Charge Pump Pressure on Drive Pump
- 5.10-7 Test Forward Drive Pressure on Drive Pump
- 5.10-8 Test Reverse Drive Pressure on Drive Pump
- Axles
- 5.11-1 Change the Oil in the Axles
- 5.11-2 Check the Oil Level in the Torque Hubs
- 5.11-3 Change the Oil in the Torque Hubs
- 5.11-4 Check the Oil Level in the Axle Gearbox
- 5.11-5 Change the Oil in the Axle Gearbox
- 5.11-6 Oscillating Cylinder Mount Inspection
- 5.11-7 Oscillating Cylinder Bolt Replacement
- 5.11-8 Oscillating Cylinder Replacement
- 5.11-9 Bleed the Oscillating Axle Cylinders
- 5.11-10 Test the Oscillating Axle Cylinders
- 5.11-11 Pin Brake Adjustments
- 5.11-12 Brake Inspection
- 5.11-13 Axle U-Bolt Torque
- Grease Points
- 5.12-1 Grease the Turret Ring Gear
- 5.12-2 Grease the Axles
- 5.12-3 Grease the Drive Shaft
Inside this manual
Real pages from this service manual (191 pages). Open the sample pages (PDF, 791 KB)
- Specifications, page 36: Hydraulic Specifications
- Diagram, page 62: 3.16 Engine Harness Wiring Diagram - D1305
- Troubleshooting, page 138: System Control Module (SCM)
- Color page, page 9
- Color page, page 141: Section 5 – Procedures
- Foldout diagram (color), page 81: E-STOP
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the SJ45 AJ+ are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Service Manual 238274AGA$69.53
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This is a service manual
Here's how it compares to the other manual types.
This manual
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, 191 pages
Quantity one is the manual described above.
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Ships in 1 business day.
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Other editions and similar models
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