Skyjack SJ6826RT - Section 3 - System Component Identification and Schematics

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SJ6826RT, SJ6832RT

213560ABA

Section 3 – System Component

Identication and Schematics

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Table of Contents5
Section 1 - Scheduled Maintenance10
Read and Heed10
Mobile Elevating Work Platform (MEWP) Definition10
Purpose of Equipment10
Use of Equipment10
Service Policy and Warranty10
Ownership of MEWP10
Optional Equipment10
Maintenance and Inspection Schedule11
Owner's Annual Inspection Record11
Replacement Parts11
Maintenance and Service Safety Tips11
Hydraulic System & Component Maintenance and Repair12
Maintenance Hints13
About this Section14
Owner's Annual Inspection Record15
Frequent/Periodic/Annual/Pre-Delivery Inspection Checklist16
General Inspections17
Service Bulletins17
Annual Inspection17
Labels17
Limit Switches17
Base/Engine18
Scissors Inspection23
Platform Inspections27
Function Tests28
Section 2 - Maintenance Tables and Diagrams29
Standard Hose Numbering System29
Torque Specifications for Fasteners (US Imperial)31
Torque Specifications for Fasteners (Metric)32
Torque Specifications for Hydraulic Couplings & Hoses33
Torque Specifications34
Specifications and Features35
Floor Loading Pressure36
Maximum Platform Capacities (Evenly Distributed)37
Environment37
Fluids38
Section 3 - System Component Identification and Schematics39
Electrical Symbol Chart40
Hydraulic Symbol Chart41
Wire Number and Color Code42
Hydraulic Parts List43
Electrical Parts List45
Hydraulic Manifold Valve Port Identification50
Hydraulic Manifold Valve Assemblies and Port51
Control Box Wiring Diagram52
Base to Platform Control Cable - SJ6832 RT53
Base to Platform Control Cable - SJ6826 RT54
Beeper Wiring Assembly55
Main Manifold Valve Harness Wiring Diagram56
Kubota Engine Harness - Diesel58
Kubota Engine Harness - Dual Fuel59
Outrigger Control Box60
Outrigger/Hydraulic Generator Control Box61
Hydraulic Generator Electrical Panel Assembly62
Telematic Harness Wiring Diagram63
Electrical Panel Diagram - ANSI/CSA, CE & as64
Electrical Panel Diagram - KC65
Electrical Panel Diagram - Positive Air Shut-Off66
Electrical Panel Diagram - Soft Stop67
Hydraulic Schematic - ANSI/CSA68
Hydraulic Schematic - CE/AS69
Hydraulic Schematic - KC70
Electrical Schematic - Kubota Dual Fuel WG752 - ANSI/CSA71
Electrical Schematic - Kubota Diesel D902 - ANSI/CSA72
Electrical Schematic - Kubota Diesel D902- CE73
Electrical Schematic - Kubota Diesel D902 - as74
Outrigger Electrical Assembly75
Outrigger/Hydraulic Generator Electrical Assembly76
Section 4 - Troubleshooting Information77
Introduction77
Electrical System78
All Controls Inoperative78
No Power to Platform79
All Functions Inoperative from the Base79
All Functions Inoperative from Platform81
Engine Does Not Crank from Platform nor Base Control Console83
Engine Cranks but Does Not Start - Kubota Diesel85
Engine Cranks but Does Not Start - Kubota Dual Fuel (Propane/ Gas)86
Glow Plugs Inoperative from Neither Engine Controls nor Platform (Diesel Models)87
High Throttle Inoperative88
10 Drive and Steer Inoperative (Machines Without Outriggers Option)89
11 Brakes Do Not Release92
12 Steer Right Inoperative93
13 Steer Left Inoperative93
14 Reverse Drive Inoperative93
Forward Drive Inoperative94
First Drive Speed and Steering Inoperative95
Second Drive Speed Inoperative96
18 Third Drive Speed Inoperative98
19 High Torque/Parallel Drive Inoperative98
20 Up Circuit Inoperative from Platform100
21 Up Circuit Inoperative from Base Control Console100
22 Up Circuit Inoperative from Platform or Base Control Console (Without Outriggers)101
24 Platform Does Not Lift from Platform or Base Control Console with Outriggers Extended102
26 Down Function Inoperative from Platform104
27 Down Function Inoperative from Base105
28 Hydraulic Generator Inoperative107
29 Hydraulic Generator Does Not Shut off from Generator Switch108
All Outriggers Inoperative (Auto-Level and Manual)109
31 All Outriggers Inoperative (Auto-Level and Manual from Platform Controls)110
32 All Outriggers Inoperative (Base Controls Only)110
33 All Outriggers Inoperative (Auto Level Only)110
34 All Outriggers Inoperative (Auto Level Only)111
35 Right Front Outrigger Inoperative Manually113
36 Right Rear Outriggers Inoperative Manually114
37 Left Rear Outriggers Inoperative Manually115
38 Individual Outrigger Functions Inoperative (Auto-Level)116
Auto-Level Inoperative116
Auto All up Inoperative (Retract)117
Hydraulic Systems118
All Functions Inoperative118
Steering Inoperative118
Lift, Steer and First Drive Speed Inoperative118
Second Drive Speed Inoperative118
Drive Inoperative119
Drive Sluggish119
Reverse Drive Inoperative119
Forward Drive Inoperative119
Drive Inoperative When in Low Drive119
10 Drive Inoperative When in High Drive120
11 Brakes Do Not Release120
12 Up Circuit Inoperative120
13 Down Circuit Inoperative120
14 Hydraulic Generator Inoperative121
15 All Outriggers Inoperative121
16 Outriggers Inoperative121
17 Outriggers Drift in122
18 Load Sense System Codes123
Section 5 - Procedures127
General127
Safety and Workmanship127
Hydraulic System127
Base127
Winching and Towing Procedures and Parking Brake System127
Release the Free-Wheeling Valve128
To Release the Parking Brakes Manually128
Wheel Bolt / Nut Inspection and Torquing Procedure129
Wheel Reinstallation and Torquing Procedure129
Reconnecting the Platform Control Box for Use from the Ground129
Tightening and Torque Recommendations for Hydraulic Couplings and Hoses130
Torquing Using the Flats-From-Wrench-Resistance Method131
Checking the Holding Valve132
10 System Pressure Setting132
11 Lift Pressure Setting133
12 Grease Points134
13 Electronic Tilt Switch Setup Procedure (KC Only)136
Engine139
Kubota Dual Fuel (DF972 / WG752) Resistance Checks139
Fan Belt Replacement and Adjustment140
Kubota Dual Fuel (DF972 / WG752) Engine Throttle Setting141
Kubota Diesel (D902) Engine Throttle Setting143
Replacing the Air Cleaner Element144
Replacing the Fuel Filter Element (Kubota D902)145
Bleeding the Fuel System of Air (Kubota D902)145
Replacing the Oil Filter Cartridge146
Changing the Oil146
10 Checking and Replenishing the Radiator Coolant Level147
11 Draining and Refilling the Radiator147
Outriggers148
Auto-Leveling Outrigger PC Board Layout148
Outrigger Control Module (OCM1) Pin Reference Table (GP-106)149
Auto-Leveling Outrigger Settings and Error Codes150
Auto-Leveling Outrigger Error Code Breakdown151
Hand Held (Ezcal) Calibration / Diagnostic Tool Key Functions152
Outrigger Control Module (OCM1) Instructions153
Outrigger Upper Limit Switch (LS61, LS62, LS63, LS64) Replacement and Adjustment156
Outrigger Lower Limit Switch (LS65, LS66, LS67, LS68) Replacement and Adjustment157
Outrigger Mechanical Limit Switch Wiring Diagram158
Load Sensing System159
Calibrate Load/Checking Load Procedure159
Machine Level Calibration Procedure160
Load Sense Module (CM1) Pin Reference Table (GP-102)161
Control Module Initial Set-Up Procedures162
LED Error Codes - Quick Reference Chart165
LED Error Codes - Code Breakdown Chart166
LED Error Codes - Code Breakdown Chart (Continued)167
Control Module Load Calibration - Code Messages & Definitions168
Curved/Group Codes Chart172
Scissors173
High Speed Cutout Limit Switch (LS5) Replacement and Adjustment173
High Speed Cutout Limit Switch Testing174
Platform174
Gate Spring Hinge Adjustment174
Railing Maintenance and Repair175

Skyjack SJ6826RT - Section 3 - System Component Identification and Schematics

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