Skyjack SJ3219 - Lift Cylinder Manifold MB3

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SJ3215, SJ3219

212508ADA

Lift Cylinder Manifold MB3 Section 3 – System Component Identification and Schematics

3.18 Lift Cylinder Manifold MB3

M211954AC

Main Manifold

3H-14

2H-13

Holding Valve

MB3

PT1

Pressure Transducer

Main Page

Table of Contents5
Section 1 - Scheduled Maintenance9
Read and Heed9
Mobile Elevating Work Platform (MEWP) Definition9
Purpose of Equipment9
Use of Equipment9
Service Policy and Warranty9
Ownership of MEWP9
Optional Equipment9
Maintenance and Inspection Schedule10
Owner's Annual Inspection Record10
Replacement Parts10
Maintenance and Service Safety Tips10
Hydraulic System & Component Maintenance and Repair11
Maintenance Hints12
About this Section13
Maintenance Instructions13
Owner's Annual Inspection Record14
Frequent/Periodic/Annual/Pre-Delivery Inspection Checklist15
General Inspections16
Service Bulletins (B)16
Annual Inspections (B)16
Labels (B)16
Pothole Protection Limit Switches(B)16
Base Inspection17
Scissors Inspection22
Platform Inspection26
Function Tests27
Section 2 - Maintenance Tables and Diagrams29
Standard Hose Numbering System29
Torque Specifications for Fasteners (US)31
Torque Specifications for Fasteners (Metric)32
Torque Specifications for Hydraulic Couplings & Hoses33
Specifications & Features - ANSI/CSA34
Specifications & Features - CE35
Specifications & Features - as36
Specifications & Features - KC37
Maximum Platform Capacities (Evenly Distributed)38
Floor Loading Pressure39
Torque Specifications40
Section 3 - System Component Identification and Schematics41
Electrical Symbol Chart42
Hydraulic Symbol Chart43
Wire Number and Color Code44
Hydraulic Parts List45
Electrical Parts List46
Platform Control Box Wiring48
Platform Control Box Wiring - SGLE49
Base to Platform Control Cable50
Base Control Wiring51
Emergency Lowering Switch Wiring52
Pothole Limit Switch Wiring53
Holding Valve and Pressure Transducer Harnesses54
Battery Management System Harness55
Anti-Overrising Limit Switch Wiring (KC Only)56
Anti-Overrising Limit Switch Harness (KC Only)57
Free-Wheeling Manifold MB258
Brake Manifold MB4 (CE, as & KC)58
Lift Cylinder Manifold MB359
Major Component Identification61
Main Manifold MB162
Hydraulic Schematics - SJ3215 ANSI/CSA63
Hydraulic Schematics - SJ3215 CE, as & KC64
Hydraulic Schematics - SJ3219 ANSI/CSA65
Hydraulic Schematics - SJ3219 CE66
Hydraulic Schematics - SJ3219 as & KC67
Elevate Telematics Harness68
Electrical Schematic - ANSI/CSA69
Electrical Schematic - CE70
Electrical Schematic - as71
Electrical Schematic - KC72
Section 4 - Troubleshooting Information76
Introduction76
Electrical System77
All Controls Inoperative77
All Controls Except for down Function Inoperative79
All Controls Inoperative from Base Control Console80
No up Function from Base Control Console81
No down Function from Base Control Console82
No Emergency down Function from Base Control Console83
All Controls Inoperative from Platform Control Console84
No up Function from Platform Controls (ANSI/CSA, CE, and AS)87
No up Function from Platform Controls (KC)88
10 No down Function from Platform Controls90
11 Right Steer Inoperative91
12 Left Steer Inoperative91
13 Forward Drive Function Inoperative92
14 Reverse Drive Function Inoperative93
15 No Drive or Steer When Platform Elevated95
16 Pressure Transducer PT1 Inoperative95
17 Angle Transducer AT1 Inoperative96
Hydraulic System97
All Functions Inoperative97
All System Sluggish97
Platform Drifts down97
Platform Lifts Slowly97
Platform Does Not Lift97
Platform will Not Lower98
Platform Drives Slow98
Platform will Not Drive in Forward or Reverse98
Brake(S) will Not Release (Pin Brakes)98
10 Brake(S) will Not Release (Wet Brakes)98
11 MEWP will Not Hold on a Grade (Wet Brakes)99
12 Platform Does Not Steer99
Section 5 - Procedures100
General100
Safety and Workmanship100
Platform101
Single Axis Joystick101
Gate Spring Hinge Adjustment102
Railing Maintenance and Repair102
Base104
System Relief Pressure Adjustment104
Pothole Compression Rod Replacement105
Pothole Limit Switches (LS1 & LS2) Replacement and Adjustment105
Pothole Bar Replacement/Removal for Servicing107
Tightening and Torque Recommendations for Hydraulic Couplings and Hoses109
Integrated Hub Wheel Removal and Installation112
Battery Maintenance115
Charger Maintenance115
Skycoded Module123
Skycoded Control Module (CM1)123
Calibration and Diagnostic Tool Key Functions125
Diagnostics, Help Messages and Flash Codes140
Override Mode Procedure147
Initial Set-Up and Change Defaults Procedure148
Access Levels Procedure149
Calibrate Level Procedure149
Calibrate Load Procedure150
Language Setting Procedure151
10 Callibration Fault Codes153

Skyjack SJ3219 - Lift Cylinder Manifold MB3

Table of Contents

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