Skyjack SJ40 T+, SJ45 T+ Telescopic Boom Lift Service Manual

Name: Skyjack SJ40 T+, SJ45 T+ Telescopic Boom Lift Service Manual
Brand: MidWestTech
SKU: 238273AGA
Price: 69.85 USD
Availability: InStock

189 pages · Publication 238273AGA

$69.85

Fast free USA shippingShips in 1 business daySave 10% on 2 manuals, 15% on 3 or morePay by credit or debit card or with PayPal. No PayPal account needed.

Models

SJ40 T+, SJ45 T+

Serial coverage

SJ40 T+: A400000263-A400999999
SJ45 T+: A400000263-A400999999

Manual type

Service Manual

Pages

189

Publication

238273AGA

Condition

Brand new

Skyjack SJ40 T+, SJ45 T+ Telescopic Boom Lift Service Manual, publication 238273AGA

What's inside

From the manual's own table of contents: 5 sections, 241 entries. See sample pages (PDF, 765 KB)

Search the contents

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 Diagrams15 topics

Standard Hose Numbering System
Torque Specifications for Fasteners (Metric)
Torque Specifications for Fasteners (US)
Torque Specifications for Hydraulic Couplings & Hoses
MEWP Torque Specifications
Axle Torque Specifications
Axle Maintenance Intervals
Hydraulic Specifications
MEWP Specifications - for MEWPs with an Eaton drive pump and motor
MEWP Specifications - for MEWPs with a Hengli drive pump and motor
Maximum Platform Capacities
Fluids
Engine
Reach diagram - SJ40 T+
Reach diagram - SJ45 T+

Section 3 – System Component Identification and Schematics43 topics

Electrical Symbol Chart
Hydraulic Symbol Chart
Wire Number and Colour Chart
Hydraulic Parts List
Electrical Parts List
Rotary Manifold Port Identification
Brake Manifold Port Identification
System Pump Port Identification
Drive Pump Port Identification
Drive Motor Port Identification
Jib and Platform Rotate Valve Port Identification - SJ45 T+
Platform Rotate Valve Port Identification - SJ40 T+
Main Manifold Port Identification
Main Manifold Electrical Component Identification
Main Manifold Hydraulic Component Identification
Major Components
Main Harness Wiring Diagram
Engine Harness
Engine Harness Schematic
Jib and Platform Rotate Harness
Limit Switch Connections
SGE Connections - 2-wire version
SGE Connections - 4-wire version
Load Cell Connections
Footswitch Connections
CAN bus Cable Connections
Power Cable Connections
Flashing Light Connection
Differential Lock Connection
Positive Air Shut-off Harness - Kubota D1305
Drive Pump Harness - Hengli
3.32 7.5 kW Generator Connections
Hydraulic Schematic - for MEWPs with an Eaton drive pump and motor
Hydraulic Schematic - for MEWPs with a Hengli drive pump and motor
Platform Controls Wiring - SJ40 T+
Platform Controls Wiring - SJ45 T+
Base Controls Wiring - SJ40 T+
Base Controls Wiring - SJ45 T+ ANSI/CSA & AS
Base Controls Wiring - SJ45 T+ CE
Electrical Schematic - ANSI/CSA & AS
Electrical Schematic - CE
Engine Schematic - Kubota D1305
Engine Schematic - Kuboa WG972

Section 4 – Troubleshooting Information72 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 Platform 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 Telescope Out from the Base or Platform Consoles
- 4.2-20 No Telescope Out from the Base Console
- 4.2-21 No Telescope Out from the Platform Console
- 4.2-22 No Telescope In from the Base or Platform Consoles
- 4.2-23 No Telescope In from the Base Console
- 4.2-24 No Telescope In from the Platform Console
- 4.2-25 No Platform Level Up from the Base or Platform Consoles
- 4.2-26 No Platform Level Up from the Base Console
- 4.2-27 No Platform Level Up from the Platform Console
- 4.2-28 No Platform Level Down from the Base or Platform Consoles
- 4.2-29 No Platform Level Down from the Base Console
- 4.2-30 No Platform Level Down from the Platform Console
- 4.2-31 No Platform Rotate or Jib Functions from the Base or Platform Consoles
- 4.2-32 No Platform Rotate Right from the Base or Platform Consoles
- 4.2-33 No Platform Rotate Right from the Base Console
- 4.2-34 No Platform Rotate Right from the Platform Console
- 4.2-35 No Platform Rotate Left from the Base or Platform Consoles
- 4.2-36 No Platform Rotate Left from the Base Console
- 4.2-37 No Platform Rotate Left from the Platform Console
- 4.2-38 No Jib Up from the Base or Platform Consoles
- 4.2-39 No Jib Up from the Base Console
- 4.2-40 No Jib Up from the Platform Console
- 4.2-41 No Jib Down from the Base or Platform Consoles
- 4.2-42 No Jib Down from the Base Console
- 4.2-43 No Jib Down from the Platform Console
- 4.2-44 No Drive or Steer Functions
- 4.2-45 No Forward or Reverse Drive
- 4.2-46 No Forward Drive
- 4.2-47 No Reverse Drive
- 4.2-48 The Brake will not Release
- 4.2-49 No Left Steer
- 4.2-50 No Right Steer
- 4.2-51 The Directon Sensing is Inoperative
- 4.2-52 The Load Sense Indicates Overload or Overload Warning with the Platform Empty or Below Weight
- 4.2-53 The Overload Indicator Light does not Turn On when the Platform is Overloaded
- 4.2-54 The Audible Alarm does not Turn On with the Platform Overloaded
Hydraulic System
- 4.3-1 All Controls are Inoperative
- 4.3-2 All Boom Functions are Inoperative
- 4.3-3 No Main Boom Up
- 4.3-4 No Main Boom Down
- 4.3-5 No Turret Rotate
- 4.3-6 No Boom Extend
- 4.3-7 No Boom Retract
- 4.3-10 No Platform Rotation
- 4.3-11 Platform will not Level
- 4.3-12 Brake will not Release
- 4.3-13 Brake will not Engage
- 4.3-15 Differential Lock will not Engage
- 4.3-16 No High Speed Drive
- 4.3-18 Axle Will Not Oscillate
- 4.3-19 Axle Will Not Lock

Section 5 – Procedures83 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 Model and Software Check
- 5.2-4 SCM Pin Reference
- 5.2-5 SCM Recommended Settings - Kubota D1305 Diesel Engine
- 5.2-6 Unlock and Modify the SCM
- 5.2-7 SCM Model Select
- 5.2-8 Check I/O Error
- 5.2-9 Load Cell Calibration
- 5.2-10 Load Cell Calibration Flowchart
- 5.2-11 CANbus communication issues
- 5.2-12 CANbus communication check
- 5.2-13 CANbus troubleshooting
- 5.2-14 Verify the CANbus line
- 5.2-15 CANbus connections diagram
- 5.2-16 Drive speed tests
- 5.2-17 Adjust the drive speeds
Platform
- 5.3-1 Platform Controller Voltage References
- 5.3-2 Load cell 10% error troubleshooting
- 5.3-3 Replace the load cell
Boom
- 5.4-1 Rotary Actuator Bolt Torque Procedure
- 5.4-2 Cable Carrier Repair
- 5.4-3 Check the Wear Pads
- 5.4-4 Shim the Wear Pads
Limit Switches
- 5.5-1 Limit Switch Locations and Trip Points
Turret
- 5.6-1 Check and Replace the High Pressure Filter Element
- 5.6-2 Adjust the Turret Rotation Gear Backlash
- 5.6-3 Check the Swing Drive Oil
- 5.6-4 Change the Swing Drive Oil
- 5.6-5 Ring Gear Bolt Torque Sequence
- 5.6-6 Check the Rotation Bearing for Axial Wear
- 5.6-7 Battery Replacement
- 5.6-8 Tilt Switch Operation
- 5.6-9 Set Up a New Tilt Switch
- 5.6-10 Reprogram an Existing Tilt Switch
Engines
- 5.7-1 Replace the 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 Change the Hydraulic Oil
- 5.9-2 Change the Hydraulic Tank Filter
Manifolds and Hydraulic Pumps
- 5.10-1 Hydraulic Brake Pressure Adjustment
- 5.10-2 Hydraulic Standby Pressure Adjustment
- 5.10-3 Hydraulic System Pressure Adjustment
- 5.10-4 RV1 Relief Valve Adjustment
- 5.10-5 Turret Rotate Relief Valve Adjustment
- 5.10-6 Platform Level Relief Valve Adjustment
- 5.10-7 Fly Boom Relief Valve Adjustment
- 5.10-8 Test Charge Pump Pressure on Drive Pump
- 5.10-9 Test Forward Drive Pressure on Drive Pump
- 5.10-10 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 Turret Swing Drive
- 5.12-3 Grease the Axles
- 5.12-4 Grease the Drive Shaft

Inside this manual

Real pages from this service manual (189 pages). Open the sample pages (PDF, 764 KB)

Sample pages from the Skyjack SJ40 T+, SJ45 T+ Telescopic Boom Lift Service Manual: Diagram, Troubleshooting, Specifications, Color page, Color page, Foldout diagram (color)

Diagram, page 64: 3.19 Engine Harness Schematic
Troubleshooting, page 90: Section 4 – Troubleshooting Information
Specifications, page 132: System Control Module (SCM)
Color page, page 11: SJ40 T+, SJ45 T+
Color page, page 138: SJ40 T+, SJ45 T+
Foldout diagram (color), page 82: SJ40 T+, SJ45 T+

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, 189 pages

Quantity one is the manual described above.

Fast free USA shipping

Ships in 1 business day.

60-day returns

Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy

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).