Skyjack SJ12 Vertical Mast Service Manual 155185AH – PDF DOWNLOAD

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Skyjack SJ12 Vertical Mast Service Manual 155185AH – PDF DOWNLOAD

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Skyjack SJ12 Vertical Mast Service Manual 155185AH – PDF DOWNLOAD

Language : English
Pages : 113
Downloadable : Yes
File Type : PDF

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DESCRIPTION:

Skyjack SJ12 Vertical Mast Service Manual 155185AH – PDF DOWNLOAD

SJ 12 14,001,105 & Below

TABLE OF CONTENTS:

Skyjack SJ12 Vertical Mast Service Manual 155185AH – PDF DOWNLOAD

Section 5 - Procedures................................................... 83
	Electrical System.................................................... 85
		5.1 Electrical System Adjustment................................. 85
		5.1-1 Resistor - Voltage Divider................................. 85
		5.1-2 Troubleshooting - Diagnostic Switch........................ 86
		5.1-3 Tilt Switch Orientation.................................... 86
		5.1-4 Mast Limit Switch Replacement.............................. 87
		5.1-5 Testing Limit Switch....................................... 88
	Hydraulic System..................................................... 89
		5.2  Pressure Adjustment......................................... 89
		5.2-1 System Relief Pressure Adjustment.......................... 89
		5.2-2 Lift Pressure Adjustment................................... 89
	Service Procedures................................................... 90
		5.3  Electronic Tilt Switch Setup Procedure...................... 90
		5.3-1.0  Tilt Switch Replacement................................. 90
		5.3-1.1  Reprogramming Existing Tilt Switch...................... 92
		5.3-1.2  Test and Verify Tilt Circuit............................ 93
		5.4  Mast Lubrication Procedure.................................. 94
		5.4-1 Outside Mast Lubrication................................... 94
		5.4-2 Inner Mast Lubrication..................................... 95
		5.5  Mast Chain Inspection....................................... 96
		5.6  Mast Roller Inspection/Maintenance.......................... 96
		5.6-1  Roller and Roller Mount Inspection........................ 96
		5.6-2  Roller Operation Inspection............................... 98
		5.7  Mast Assembly Procedure.....................................100
		5.7-1.0  Preparation.............................................100
		5.7-2.0  Platform/Mast removal...................................100
		5.7-2.1  Platform/Mast 4 Removal.................................100
		5.7-2.2  Mast 3 Assembly Removal.................................102
		5.7-2.3  Mast 2 Assembly Removal.................................102
		5.7-2.4  Mast 1 Assembly Removal.................................103
		5.7-3.0  Mast Installation.......................................105
		5.7-3.1  Mast 1 Installation.....................................105
		5.7-3.2  Mast 2 Installation ....................................107
		5.7-3.3  Mast 3 Installation ....................................108
		5.7-3.4  Platform/Mast 4 Assembly Installation ..................109
		5.7-4.0  Function Test ..........................................110
		5.7-5.0  Chains Installation.....................................110
		5.7-5.2  Outer chain Mount Installation..........................110
		5.7-5.3  Double Chain Mount Installation.........................111
Section 4 - Troubleshooting Information.................................. 67
	Electrical System.................................................... 70
		4.1-1  All Controls Inoperative.................................. 70
		4.1-2  All Controls Except for Down Function Inoperative ........ 70
		4.1-3  All Controls Inoperative From Base Control Console........ 71
		4.1-4  No Up Function from Base Control Console.................. 71
		4.1-5  Up Function Slow from Base Control Console................ 73
		4.1-6  No Down Function from Base Control Console................ 73
		4.1-7  All Controls Inoperative From Platform Control Console.... 73
		4.1-8  No Up Function from Platform Control Console.............. 73
		4.1-9  Up Function Slow from Platform Control Console............ 75
		4.1-10  No Down Function from Platform Control Console .......... 75
		4.1-11  Steer Only Inoperative................................... 75
		4.1-12  Right Steer Inoperative.................................. 76
		4.1-13  Left Steer Inoperative................................... 76
		4.1-14  No Drive Forward or Reverse.............................. 77
		4.1-15  Brake will not Release................................... 77
		4.1-16  No Elevated Drive........................................ 77
		4.1-17  Work Platform Drives in Slow Speed Only.................. 78
		4.1-18  Forward Drive Function Inoperative....................... 78
		4.1-19  Reverse Drive Function Inoperative....................... 79
		4.1-20  Two or more Functions at one time........................ 79
	Hydraulic System..................................................... 80
		4.2-1  All Functions Inoperative................................. 80
		4.2-2  All Functions Sluggish.................................... 80
		4.2-3  Platform Drifts Down...................................... 80
		4.2-4  Platform Lifts Slowly..................................... 80
		4.2-5  Platform Does Not Lift.................................... 80
		4.2-6  Platform will not Lower................................... 80
		4.2-7  Platform Drives Slow...................................... 81
		4.2-8  Platform will not Drive in Forward ....................... 81
		4.2-9  Platform will not Drive in Reverse........................ 81
		4.2-10  Brake(s) will not Release................................ 81
		4.2-11  Platform does not Steer.................................. 81
		4.2-12  Platform does not Steer Elevated While Driving........... 81
		4.2-13  Platform Steers Very Slowly.............................. 81
		General.......................................................... 85
		Safety and Workmanship........................................... 85
Section 3 - System component identification and schematics  ............. 41
	Charts............................................................... 43
		3.1  Hydraulic Symbol Chart...................................... 43
		3.2  Electrical Symbol Chart..................................... 44
		3.3  Wire Number and Color Code.................................. 45
	Parts List........................................................... 47
		3.4  Hydraulic Component Parts List ............................. 47
		3.5  Electrical Component Parts List............................. 48
	Diagrams and Schematics.............................................. 50
		3.6  Cylinders and Port Identifications.......................... 50
		3.7  Wheel Brake and Port Identifications........................ 51
		3.8  Powerpack and Port Identifications.......................... 52
		3.9  Platform Control Console Wire Diagram....................... 53
		3.10a  Brake and Main Manifold and Hydraulic Identifications..... 55
		3.10b  Brake and Main Manifold and Hydraulic Identifications..... 56
		3.11  Disc Brake Kits and Torque Specifications.................. 57
		3.12a  Hydraulic Schematic....................................... 58
		3.12b  Hydraulic Schematic....................................... 59
		3.13a  Main Electrical Harness................................... 60
		3.13b  Main Electrical Harness................................... 61
		3.14  Steer Speed Valve Port Identification and Harness.......... 62
		3.15  Mast Control Cable......................................... 63
		3.16  Limit Switches............................................. 64
		3.17  Base Control Centre Wiring Diagram......................... 65
		3.18  Electrical Schematic....................................... 66
		Introduction..................................................... 69
Section 1 - Scheduled Maintenance........................................  5
	Operator’s Responsibility for Maintenance............................  7
		Aerial Platform 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
		Safety Precautions............................................... 10
		Maintenance and Inspection Schedule.............................. 14
		Owner’s Annual Inspection Record................................. 14
		Replacement Parts................................................ 14
		Maintenance and Service Safety Tips.............................. 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............................................................... 18
		Table 1.1  Owner’s Annual Inspection Record...................... 18
		Table 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 2.2  Specifications and Features........................... 36
		Table 2.3  Maximum Platform Capacities........................... 37
		Table 2.4a Floor Loading Pressure - CE........................... 37
		Table 2.4b  Floor Loading Pressure - ANSI/CSA.................... 38
		Table 2.5  Torque Specifications................................. 40

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• This is the SAME exact manual used by your dealers to fix your vehicle.
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