Skyjack SJ12 SJ16 Vertical Mast Service Manual 157981AE – PDF DOWNLOAD
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Skyjack SJ12 SJ16 Vertical Mast Service Manual 157981AE – PDF DOWNLOAD
Language : English
Pages : 106
Downloadable : Yes
File Type : PDF
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DESCRIPTION:
Skyjack SJ12 SJ16 Vertical Mast Service Manual 157981AE – PDF DOWNLOAD
Scheduled Maintenance Operator’s Responsibility for Maintenance;
SKYJACK is continuously improving and expanding product features on its equipment, therefore, specifications
and dimensions are subject to change without notice.
Aerial Platform and Mobile Elevating Work Platform (MEWP) Definition
A mobile device that has a positionable platform supported from ground level by a structure.
Purpose of Equipment
The SKYJACK Veritcal Mast series aerial platform are designed to transport and raise personnel, tools and materials
to overhead work areas.
Use of Equipment
The aerial platform is a highly maneuverable, mobile work station. Lifting and driving must be on a flat, level,
compacted surface.
Manuals:
Operating:
The operating manual is considered a fundamental part of the aerial platform. It is a very important way to
communicate necessary safety information to users and operators. A complete and legible copy of this manual
must be kept in the provided weather-resistant storage compartment on the aerial platform at all times.
Service & Maintenance:
The purpose of this is to provide the customer with the servicing and maintenance procedures essential for
the promotion of proper machine operation for its intended purpose.
All information in this manual should be read and understood before any attempt is made to service the machine.
Operator:
The operator must read and completely understand both this operating manual and the safety panel label located
on the platform and all other warnings in this manual and on the aerial platform. Compare the labels on the aerial
platform with the labels found within this manual. If any labels are damaged or missing, replace them immediately.
TABLE OF CONTENTS:
Skyjack SJ12 SJ16 Vertical Mast Service Manual 157981AE – PDF DOWNLOAD
Section 1 - Scheduled Maintenance....................................................... 5 Operator’s Responsibility for Maintenance........................................... 7 Aerial Platform and Mobile Elevating Work Platform (MEWP) Definition............ 7 Purpose of Equipment............................................................ 7 Use of Equipment................................................................ 7 Manuals......................................................................... 7 Operator........................................................................ 7 Service Policy and Warranty..................................................... 7 Optional Accessories............................................................ 7 Scope of this Manual............................................................ 8 Operator Safety Reminders....................................................... 8 Electrocution Hazard............................................................ 9 Maintenance and Inspection Schedule............................................. 14 Owner’s Annual Inspection Record................................................ 14 Replacement Parts............................................................... 14 Hydraulic System & Component Maintenance and Repair............................. 15 Maintenance Hints............................................................... 16 Railing Maintenance and Repair.................................................. 16 Service and Maintenance............................................................. 17 About this Section.............................................................. 17 Service Bulletins............................................................... 17 Maintenance and Inspection...................................................... 17 Maintenance Instructions........................................................ 17 Tables.............................................................................. 17 1.1 Owner’s Annual Inspection Record............................................ 18 1.2 Maintenance and Inspection Checklist........................................ 19 Scheduled Maintenance Inspections................................................... 20 1.1 Scheduled Maintenance Inspections........................................... 20 1.2 Function Tests.............................................................. 27 Section 2 - maintenance tables.......................................................... 33 Tables.............................................................................. 34 Table 2.1 Standard Hose Numbering System....................................... 34 Table 2.2a Specifications and Features - ANSI/CSA.............................. 36 Table 2.2b Specifications and Features - KC.................................... 37 Table 2.2c Specifications and Features - CE.................................... 38 Table 2.2d Specifications and Features - AS.................................... 39 Table 2.3a Maximum Platform Capacities (Evenly Distributed) - ANSI/CSA......... 40 Table 2.3b Maximum Platform Capacities (Evenly Distributed) - KC............... 40 Table 2.3c Maximum Platform Capacities (Evenly Distributed) - CE............... 40 Table 2.3d Maximum Platform Capacities (Evenly Distributed) - AS............... 40 Table 2.4b Floor Loading Pressure - KC.......................................... 42 Table 2.4c Floor Loading Pressure - CE.......................................... 43 Table 2.4d Floor Loading Pressure - AS.......................................... 44 Table 2.5 Torque Specifications................................................ 46 Section 3 - System component identification and schematics.............................. 47 Charts.............................................................................. 49 3.1 Hydraulic Symbol Chart..................................................... 49 3.2 Electrical Symbol Chart.................................................... 50 3.3 Wire Number and Color Code................................................. 51 Parts List.......................................................................... 53 3.4 Hydraulic Component Parts List ............................................ 53 3.5 Electrical Component Parts List............................................ 54 Diagrams and Schematics............................................................. 56 3.6 Cylinders and Port Identifications......................................... 56 3.7 Wheel Brake and Port Identifications....................................... 57 3.8 Powerpack and Port Identifications......................................... 58 3.9 Platform Control Console Wire Diagram...................................... 59 3.10 Brake and Main Manifold and Hydraulic Identifications..................... 60 3.11 Disc Brake Kits and Torque Specifications................................. 61 3.12 Hydraulic Schematic - SJ12/SJ16........................................... 62 3.13 Main Electrical Harness - SJ12/SJ16....................................... 63 3.14 Mast Control Cable........................................................ 64 3.15 Limit Switches............................................................ 65 3.16a Base Control Wiring Diagram (SJ12/SJ16 - ANSI)........................... 66 3.16b Base Control Wiring Diagram (SJ12/SJ16 - CE/KC).......................... 67 3.16c Base Control Wiring Diagram (SJ12/SJ16 - AS)............................. 68 3.17a Electrical Schematic (SJ12/SJ16 - ANSI/CSA).............................. 69 3.17b Electrical Schematic (SJ12/SJ16 - CE/KC)................................. 70 3.17c Electrical Schematic (SJ12/SJ16 - AS).................................... 71 Introduction.................................................................... 74 Section 4 - Troubleshooting Information................................................. 73 Electrical System................................................................... 75 4.1-2 All Controls Except for Down Function Inoperative ....................... 75 4.1-3 All Controls Inoperative From Base Control Console (ANSI/CSA, CE, KC).... 76 4.1-4 All Controls Inoperative From Base Control Console (AS).................. 77 4.1-5 No Up Function from Base Control Console................................. 77 4.1-6 Up Function Slow from Base Control Console............................... 78 4.1-7 No Down Function from Base Control Console............................... 78 4.1-8 All Controls Inoperative From Platform Control Console................... 78 4.1-9 No Up Function from Platform Control Console............................. 79 4.1-10 Up Function Slow from Platform Control Console.......................... 80 4.1-11 No Down Function from Platform Control Console ......................... 80 4.1-12 Pothole Bars Will Not Retract........................................... 81 4.1-13 Steer Only Inoperative.................................................. 81 4.1-14 Right Steer Inoperative................................................. 81 4.1-15 Left Steer Inoperative.................................................. 82 4.1-16 No Drive Forward or Reverse............................................. 82 4.1-17 Brake will not Release.................................................. 83 4.1-18 No Elevated Drive....................................................... 83 4.1-19 Work Platform Drives in Slow Speed Only................................. 83 4.1-20 Forward Drive Function Inoperative...................................... 84 4.1-21 Reverse Drive Function Inoperative...................................... 84 4.1-22 Two or More Functions at One Time....................................... 85 Hydraulic System.................................................................... 86 4.2-1 All Functions Inoperative................................................ 86 4.2-2 All Functions Sluggish................................................... 86 4.2-3 Platform Drifts Down..................................................... 86 4.2-4 Platform Lifts Slowly.................................................... 86 4.2-5 Platform Does Not Lift................................................... 86 4.2-6 Platform Will Not Lower.................................................. 86 4.2-7 Pothole Bars Will Not Retract............................................ 87 4.2-8 Platform Drives Slow..................................................... 87 4.2-9 Platform Will Not Drive in Forward ...................................... 87 4.2-10 Platform Will Not Drive in Reverse...................................... 87 4.2-11 Brake(s) Will Not Release............................................... 87 4.2-12 Platform Does Not Steer................................................. 88 4.2-13 Platform Steers Very Slowly............................................. 88 General......................................................................... 92 Safety and Workmanship.......................................................... 92 Section 5 Procedures ................................................................... 91 Electrical System................................................................... 92 5.1 Electrical System Adjustment................................................ 92 5.1-1 Resistor - Voltage Divider................................................ 92 5.1-2 Troubleshooting - Diagnostic Switch....................................... 93 5.1-3 Tilt Switch Orientation................................................... 93 Hydraulic System.................................................................... 94 5.2 Pressure Adjustment........................................................ 94 5.2-1 System Relief Pressure Adjustment......................................... 94 5.2-2 Lift Pressure Adjustment.................................................. 94 5.2-3 Steer Relief Pressure Adjustment.......................................... 95 Service Procedures.................................................................. 96 5.3 Electronic Tilt Switch Setup Procedure..................................... 96 5.3-1.0 Tilt Switch Replacement................................................ 96 5.3-1.1 Reprogramming Existing Tilt Switch..................................... 98 5.3-1.2 Test and Verify Tilt Circuit........................................... 99 5.4 Mast Lubrication Procedure.................................................100 5.4-1 Outside Mast Lubrication..................................................100 5.4-2 Inner Mast Lubrication....................................................101 5.5 Mast Chain Inspection......................................................102 5.6 Mast Roller Inspection/Maintenance.........................................102 5.6-1 Roller and Roller Mount Inspection.......................................102 5.6-2 Roller Operation Inspection..............................................104
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