Skyjack SJ12, SJ16 Vertical Mast Lift Service Manual
135 pages · Publication 157981AG
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What's inside
From the manual's own table of contents: 5 sections, 146 entries. See sample pages (PDF, 519 KB)
Section 1 - Scheduled Maintenance26 topics
- Operator’s Responsibility for Maintenance
- Aerial Platform and Mobile Elevating Work Platform (MEWP) Definition
- Purpose of Equipment
- Use of Equipment
- Manuals
- Operator
- Service Policy and Warranty
- Optional Accessories
- Scope of this Manual
- Operator Safety Reminders
- Electrocution Hazard
- Maintenance and Inspection Schedule
- Owner’s Annual Inspection Record
- Replacement Parts
- Hydraulic System & Component Maintenance and Repair
- Maintenance Hints
- Railing Maintenance and Repair
- Service and Maintenance
- About this Section
- Service Bulletins
- Maintenance and Inspection
- Maintenance Instructions
- Owner’s Annual Inspection Record
- Maintenance and Inspection Checklist
- Scheduled Maintenance Inspections
- Function Tests
Section 2 - maintenance tables13 topics
- Table 2.1 Standard Hose Numbering System
- Table 2.2a Specifications and Features - ANSI/CSA
- Table 2.2b Specifications and Features - KC
- Table 2.2c Specifications and Features - CE
- Table 2.2d Specifications and Features - AS
- Table 2.3a Maximum Platform Capacities (Evenly Distributed) - ANSI/CSA
- Table 2.3b Maximum Platform Capacities (Evenly Distributed) - KC
- Table 2.3c Maximum Platform Capacities (Evenly Distributed) - CE
- Table 2.3d Maximum Platform Capacities (Evenly Distributed) - AS
- Table 2.4b Floor Loading Pressure - KC
- Table 2.4c Floor Loading Pressure - CE
- Table 2.4d Floor Loading Pressure - AS
- Table 2.5 Torque Specifications
Section 3 - System component identification and schematics25 topics
- Charts
- Hydraulic Symbol Chart
- Electrical Symbol Chart
- Wire Number and Color Code
- Parts List
- Hydraulic Component Parts List
- Electrical Component Parts List
- Diagrams and Schematics
- Cylinders and Port Identifications
- Wheel Brake and Port Identifications
- Powerpack and Port Identifications
- Platform Control Console Wire Diagram
- Brake and Main Manifold and Hydraulic Identifications
- Disc Brake Kits and Torque Specifications
- Hydraulic Schematic - SJ12/SJ16
- Main Electrical Harness - SJ12/SJ16
- Mast Control Cable
- Limit Switches
- 3.16a Base Control Wiring Diagram (SJ12/SJ16 - ANSI)
- 3.16b Base Control Wiring Diagram (SJ12/SJ16 - CE/KC)
- 3.16c Base Control Wiring Diagram (SJ12/SJ16 - AS)
- 3.17a Electrical Schematic (SJ12/SJ16 - ANSI/CSA)
- 3.17b Electrical Schematic (SJ12/SJ16 - CE/KC)
- 3.17c Electrical Schematic (SJ12/SJ16 - AS)
- Introduction
Section 4 - Troubleshooting Information38 topics
- Electrical System
- 4.1-2 All Controls Except for Down Function Inoperative
- 4.1-3 All Controls Inoperative From Base Control Console (ANSI/CSA, CE, KC)
- 4.1-4 All Controls Inoperative From Base Control Console (AS)
- 4.1-5 No Up Function from Base Control Console
- 4.1-6 Up Function Slow from Base Control Console
- 4.1-7 No Down Function from Base Control Console
- 4.1-8 All Controls Inoperative From Platform Control Console
- 4.1-9 No Up Function from Platform Control Console
- 4.1-10 Up Function Slow from Platform Control Console
- 4.1-11 No Down Function from Platform Control Console
- 4.1-12 Pothole Bars Will Not Retract
- 4.1-13 Steer Only Inoperative
- 4.1-14 Right Steer Inoperative
- 4.1-15 Left Steer Inoperative
- 4.1-16 No Drive Forward or Reverse
- 4.1-17 Brake will not Release
- 4.1-18 No Elevated Drive
- 4.1-19 Work Platform Drives in Slow Speed Only
- 4.1-20 Forward Drive Function Inoperative
- 4.1-21 Reverse Drive Function Inoperative
- 4.1-22 Two or More Functions at One Time
- Hydraulic System
- 4.2-1 All Functions Inoperative
- 4.2-2 All Functions Sluggish
- 4.2-3 Platform Drifts Down
- 4.2-4 Platform Lifts Slowly
- 4.2-5 Platform Does Not Lift
- 4.2-6 Platform Will Not Lower
- 4.2-7 Pothole Bars Will Not Retract
- 4.2-8 Platform Drives Slow
- 4.2-9 Platform Will Not Drive in Forward
- 4.2-10 Platform Will Not Drive in Reverse
- 4.2-11 Brake(s) Will Not Release
- 4.2-12 Platform Does Not Steer
- 4.2-13 Platform Steers Very Slowly
- General
- Safety and Workmanship
Section 5 Procedures39 topics
- Pressure Adjustment
- 5.2-1 System Relief Pressure Adjustment
- 5.2-2 Lift Pressure Adjustment
- 5.2-3 Steer Relief Pressure Adjustment
- Service Procedures
- Electronic Tilt Switch Setup Procedure
- 5.3-1.0 Tilt Switch Replacement
- 5.3-1.1 Reprogramming Existing Tilt Switch
- Pothole Limit Switch (LS2) Replacement and Adjustment
- Mast Lubrication Procedure
- 5.5-1 Outside Mast Lubrication
- 5.5-2 Inner Mast Lubrication
- 5.5-3 Chains and rollers lubrication
- 5. 6 Mast Roller Inspection/Maintenance
- 5.6-1 Roller Operation Inspection
- Mast Chain Visual Inspection
- 5.7-1 Chain Thorough examination
- 5.7-2 Condition inspection table
- Mast Disassembly Procedure
- 5.8-1 Extending Platform Removal
- 5.8-2 Mast Section 5 Removal (SJ16 Only)
- 5.8-3 Mast Section 4 Removal
- 5.8-4 Mast Section 3 Removal
- 5.8-5 Mast Section 2 Removal
- 5.8-6 Mast Section 1 Removal
- Mast Roller Replacement
- Mast Assembly Procedure
- 5.10-1 Mast Section 1 Installation
- 5.10-2 Mast Section 2 Installation
- 5.10-3 Mast Section 3 Installation
- 5.10-4 Mast Section 4 Installation
- 5.10-5 Mast Section 5 Installation (SJ16 Only)
- 5.10-6 Extending Platform Installation
- Lift Cylinder Replacement
- 5.11-1 Extending Platform Removal
- 5.11-2 Mast Assembly Removal
- 5.11-3 Lift Cylinder Removal
- 5.11-4 Lift Cylinder Installation
- 5.11-5 Mast Assembly Installation
Inside this manual
Real pages from this service manual (135 pages). Open the sample pages (PDF, 518 KB)
- Specifications, page 40: Section 2 - Maintenance Tables and Diagrams
- Diagram, page 70: Model SJ12 & SJ16
- Troubleshooting, page 92: 5.1-1 Resistor - Voltage Divider
- Color page, page 90: Vertical Mast Series
- Color page, page 41: Vertical Mast Series
- Foldout diagram, page 68: Vertical Mast Series
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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, 135 pages
Quantity one is the manual described above.
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Other editions and similar models
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