Skyjack SJ46AJ, SJ51AJ Articulating Boom Lift Service Manual

Name: Skyjack SJ46AJ, SJ51AJ Articulating Boom Lift Service Manual
Brand: MidWestTech
SKU: 194313AO
Price: 69.65 USD
Availability: InStock

269 pages · Publication 194313AO

$69.65

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Models: SJ46AJ, SJ51AJ
Serial coverage: SJ46AJ & SJ51AJ: 95001105 to 95299999
Manual type: Service Manual
Pages: 269
Publication: 194313AO
Condition: Brand new

Skyjack SJ46AJ, SJ51AJ Articulating Boom Lift Service Manual, publication 194313AO

What's inside

From the manual's own table of contents: 5 sections, 264 entries. See sample pages (PDF, 818 KB)

Search the contents

Section 1 – Scheduled Maintenance30 topics

Read and Heed
- 1.1-1 MEWP and Mobile Elevating Work Platform 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 Service
- 1.2-1 Maintenance and Inspection Schedule
- 1.2-2 Owner’s Annual Inspection Record
- 1.2-3 Replacement Parts
- 1.2-4 Maintenance and Service Safety Tips
- 1.2-5 Hydraulic System & Component Maintenance and Repair
- 1.2-6 Hydraulic Maintenance Hints
- 1.2-7 Railing Maintenance and Repair
Scheduled Maintenance
- 1.3-1 Service Bulletins
- 1.3-2 Maintenance and Inspection
- 1.3-3 Maintenance Instructions
Owner’s Annual Inspection Record
Pre-Delivery/Maintenance Inspection Checklist
Scheduled Maintenance Inspections
- 1.6-1 Electrical
- 1.6-2 Hydraulic
- 1.6-3 Manuals & Required Documents (B)
- 1.6-5 Limit Switches (B)
- 1.6-6 Engine Compartment
- 1.6-7 Control Compartment
- 1.6-9 Platform Assembly
- 1.6-10 Boom Assembly
Function Tests

Section 2 – Maintenance Tables and Diagrams16 topics

Standard Hose Numbering System
Torque Specifications for Fasteners (US Imperial)
Torque Specifications for Fasteners (Metric)
Torque Specifications for Hydraulic Couplings & Hoses
MEWP Torque Specifications
Axle Torque Specifications
Axle Maintenance Intervals
Maximum Platform Capacity
Tire Specifications
Floor Loading Pressure
Hydraulic Specifications & Gear Oil
Specifications & Features - Dimensions & Speeds
Engine Specifications
Dimension and Reach Diagrams - SJ46AJ
Dimension and Reach Diagrams - SJ51AJ
Axle Oscillation Diagram

Section 3 – System Component Identification and Schematics78 topics

Electrical Symbol Chart
Hydraulic Symbol Chart
Wire Number and Color Code
Hydraulic Parts List
Electrical Parts List
Brake Manifold Components and Ports
Rotary Manifold Ports
Drive and System Pump Ports
Drive Motor Ports
Jib Valve Ports
Pressure Reducing Valve Ports
Main Manifold Ports
Generator Control Valve and Manifold
Main Electrical Harness and Fuel Level Switch Harness
ECU Engine Wiring Diagram - Deutz D2011
Glow Plug Harnesses - Deutz D2.9L
Glow Plug Harnesses - Deutz D2011
Engine Interface Harness - GM
Platform Harnesses
Platform Control Cables
Limit Switch Connections at Base Controls
Load Sensing Cable Connections - CE & AS
All Motion Alarm Connections - CE & AS
Flashing Amber Light Connections
SGE Wiring Diagram
SGE Platform Control Wiring Diagram
Oil Cooler and 3.5 kW Generator Base Control Box Wiring
Generator (3.5 kW) Platform Control Box Wiring
Oil Cooler and 12 kW Generator Base Control Box Wiring
Generator (12 kW) Platform Control Box Wiring
3.32 12kW Generator Electrical Connections
Load Circuit Wiring - No Generator
Load Circuit Wiring - 3.5 kW Generator
Load Circuit Wiring - 7.5 or 12.5 kW Generator
Hydraulic Schematic (serial number 95 002 909 and above)
Hydraulic Schematic (serial number 95 001 716 and below)
Platform Control Box Wiring - ANSI/CSA - GM
Platform Control Box Wiring - ANSI/CSA - Deutz & Perkins
Platform Control Box Wiring - CE - Deutz
Platform Control Box Wiring - AS - Deutz
Base Control Box Wiring - ANSI/CSA - GM
Base Control Box Wiring - ANSI/CSA - Kubota WG2503
Base Control Box Wiring - ANSI/CSA - Deutz D2011
Base Control Box Wiring - ANSI/CSA - Deutz D2011 with Positive Air Shut-Off Option
Base Control Box Wiring - ANSI/CSA - Deutz D2.9L
Base Control Box Wiring - ANSI/CSA - Deutz D2.9L with Positive Air Shutoff Option
Base Control Box Wiring - ANSI/CSA - Perkins 2.2TA
Base Control Box Wiring - CE - Deutz D2.2
Base Control Box Wiring - CE - Deutz D2011
Base Control Box Wiring - AS - Deutz D2011
Electrical Schematic - ANSI/CSA - GM
Electrical Schematic - ANSI/CSA - Kubota WG2503 (S/N: 95003121 and below)
Electrical Schematic - ANSI/CSA - Kubota WG2503 (S/N: 95003122 and above)
Electrical Schematic - ANSI/CSA - Deutz D2011 (S/N: 95003121 and below)
Electrical Schematic - ANSI/CSA - Deutz D2011 (S/N: 95003122 and above)
Electrical Schematic - ANSI/CSA - Deutz D2.9L (S/N: 95003121 and below)
Electrical Schematic - ANSI/CSA - Deutz D2.9L (S/N: 95003122 and above)
Electrical Schematic - ANSI/CSA - Perkins 2.2TA (S/N: 95003121 and below)
Electrical Schematic - ANSI/CSA - Perkins 2.2TA (S/N: 95003122 and above)
Electrical Schematic - CE - Deutz D2.2
Electrical Schematic - CE - Deutz D2011 (S/N: 95003121 and below)
Electrical Schematic - CE - Deutz D2011 (S/N: 95003122 and above)
Electrical Schematic - AS - Deutz D2011 (S/N: 95003121 and below)
Electrical Schematic - AS - Deutz D2011 (S/N: 95003122 and above)
Interface & Engine Electrical Schematic - GM
Interface & Engine Electrical Schematic - Kubota WG2503 (S/N: 95003121 and below)
Interface & Engine Electrical Schematic - Kubota WG2503 (S/N: 95003122 and above)
Interface & Engine Electrical Schematic - Deutz D2.9L (S/N: 95003121 and below)
Interface & Engine Electrical Schematic - Deutz D2.9L (S/N: 95003122 and above)
Engine Harness - Deutz D2.9L
Engine Interface Harness - Perkins 2.2T (S/N: 95003121 and below)
Engine Interface Harness - Perkins 2.2T (S/N: 95003122 and above)
Engine OEM Harness - Perkins 2.2T (S/N: 95003121 and below)
Engine OEM Harness - Perkins 2.2T (S/N: 95003122 and above)
Engine Component Harness - Perkins 2.2T (S/N: 95003121 and below)
Engine Component Harness - Perkins 2.2T (S/N: 95003122 and above)
Engine Electrical Schematic - Deutz D2.2
Engine Interface Harness - Deutz D2.2

Section 4 – Troubleshooting Information54 topics

Introduction
Electrical System
- 4.2-1 All Controls Inoperative
- 4.2-3 Engine Will Not Crank
- 4.2-4 Engine Cranks but Will Not Start
- 4.2-5 Glow Plug Circuit Inoperative - Deutz D2011 diesel engine
- 4.2-6 All Base Control Console Inoperative
- 4.2-7 No Movement from Base Control Console
- 4.2-8 All Controls Inoperative From Platform Control Console
- 4.2-9 Throttle Inoperative, Mid and High - Deutz D2.9L
- 4.2-10 Mid Throttle Inoperative
- 4.2-11 High Throttle Inoperative
- 4.2-12 Brake will not Release
- 4.2-13 Differential Lock will not Engage
- 4.2-14 Differential Lock Engages Momentarily but will not stay Engaged
- 4.2-15 No Drive and Steer
- 4.2-16 No High Speed Drive
- 4.2-17 No Elevated Drive
- 4.2-18 Direction Sensing Inoperative
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
- 4.3-16 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
Load Sensing System - CE
- 4.4-1 Green Power LED is not Flashing
- 4.4-2 Load Cell red Alarm LED is ON (with platform empty)
- 4.4-3 Red Error LED is ON
- 4.4-4 Load Cell red Alarm LED is OFF (with platform overloaded)
- 4.4-5 Platform Indicator Light does not turn ON
- 4.4-6 Audible Alarm does not turn ON
- 4.4-7 Boom and Drive Functions are Enabled (with boom extended)

Section 5 – Procedures81 topics

General
- 5.1-1 Safety and Workmanship
Platform
- 5.2-1 Human Machine Interface (HMI)
- 5.2-2 User Interface Keys
- 5.2-3 OCM Character Functions Charts
- 5.2-4 OCM Operating Values Chart
- 5.2-5 How to Select Functionality
- 5.2-6 How to View OCM Operation
- 5.2-7 How to Unlock and Modify OCM Settings
- 5.2-8 OCM Pin Voltage Reference
- 5.2-9 Fly Boom Switch Voltage References
- 5.2-10 Platform Controller Voltage References
Boom
- 5.3-1 Check Wear Pads
- 5.3-2 Shim Wear Pads
- 5.3-3 Cable Carrier Repair
- 5.3-4 Rotary Actuator Bolt Torque Procedure
- 5.3-5 Master Cylinder Replacement
- 5.3-6 Limit Switch Locations
Turret
- 5.4-1 Check and Replace the High Pressure Filter
- 5.4-2 Adjust the Turret Rotation Gear Backlash
- 5.4-3 Swing Drive Removal
- 5.4-4 Swing Drive Replacement
- 5.4-5 Check the Swing Drive Oil
- 5.4-6 Change the Swing Drive Oil
- 5.4-7 Check Rotation Bearing for Axial Wear
- 5.4-8 Turret Rotation Gear Bolt Torque Sequence
- 5.4-9 Electronic Tilt Switch Setup Procedure
- 5.4-10 Battery Replacement
Deutz Diesel Engines
- 5.5-1 Replace Engine Oil and Filter
- 5.5-2 Replace the Fuel Filter
- 5.5-3 Replace the Air Filter
- 5.5-4 Check the Engine Belt
- 5.5-5 Check the Oil Cooler (Deutz D2011 only)
- 5.5-6 Retrieve Engine Fault Codes - Deutz D2.9L
- 5.5-7 Deutz D2.9L Fault Codes
Hydraulic Tank
- 5.6-1 Hydraulic Oil Replacement
- 5.6-2 Hydraulic Filter Replacement
Kubota WG2503 Dual Fuel Engine
- 5.7-1 Engine Parameter Display (KAntrak 1700)
- 5.7-2 Kubota WG2503 Diagnostic Trouble Codes
- 5.7-3 ECU Pin Reference Chart (Kubota WG2503)
- 5.7-8 TPS & Engine Speed (Kubota WG2503)
- 5.7-9 Fuel Temperature Sensor (Kubota WG2503)
- 5.7-10 Oil Pressure Sensor (Kubota WG2503)
Manifold and Hydraulic Pumps
- 5.8-1 Hydraulic Brake Pressure Adjustment
- 5.8-2 Hydraulic System Relief Valve Adjustment
- 5.8-3 Riser Down Relief Valve Adjustment
- 5.8-4 Turret Rotate Relief Valve Adjustment
- 5.8-5 Platform Level Relief Valve Adjustment
- 5.8-6 Test Charge Pump Pressure on Drive Pump
- 5.8-7 Test Forward Drive Pressure on Drive Pump
- 5.8-8 Test Reverse Drive Pressure on Drive Pump
Axles
- 5.9-1 Change the Oil in the Axles
- 5.9-2 Check the Oil Level in the Torque Hubs
- 5.9-3 Change the Oil in the Torque Hubs
- 5.9-4 Check the Oil Level in the Axle Gearbox
- 5.9-5 Change the Oil in the Axle Gearbox
- 5.9-6 Oscillating Cylinder Bolt Replacement
- 5.9-7 Oscillating Cylinder Replacement
- 5.9-8 Bleed the Oscillating Axle Cylinders
- 5.9-9 Test the Oscillating Axle Cylinders
- 5.9-10 Pin Brake Adjustments
- 5.9-11 Brake Inspection
Grease Points
- 5.10-1 Grease the Turret Ring Gear
- 5.10-2 Grease the Turret Swing Drive
- 5.10-3 Grease the Axles
- 5.10-4 Grease the Drive Shaft
Options
- 5.11-1 Load Sensing System - CE
- 5.11-2 Verify Proper Operation of the Load Sensing System
- 5.11-3 Calibration of Load Sensing System (with “Teach In” Handset)
- 5.11-4 Generator Troubleshooting
- 5.11-5 Generator Frequency/Voltage Check & Adjustment

Inside this manual

Real pages from this service manual (269 pages). Open the sample pages (PDF, 817 KB)

Sample pages from the Skyjack SJ46AJ, SJ51AJ Articulating Boom Lift Service Manual: Specifications, Troubleshooting, Diagram, Color page, Color page, Foldout diagram (color)

Specifications, page 45: Section 2 – Maintenance Tables and Diagrams
Troubleshooting, page 149: Section 4 – Troubleshooting Information
Diagram, page 241: Kubota WG2503 Dual Fuel Engine
Color page, page 11: SJ46AJ, SJ51AJ
Color page, page 205: SJ46AJ, SJ51AJ
Foldout diagram (color), page 115: SJ46AJ, SJ51AJ

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, 269 pages

Quantity one is the manual described above.

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