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SJ4732
Skyjack SJ4732 Manuals
Manuals and User Guides for Skyjack SJ4732. We have
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Skyjack SJ4732 manuals available for free PDF download: Service Manual, Operation Manual
Skyjack SJ4732 Service Manual (177 pages)
DC ELECTRIC SCISSORS
Brand:
Skyjack
| Category:
Scissor Lifts
| Size: 7.68 MB
Table of Contents
Table of Contents
5
Section 1 - Scheduled Maintenance
9
Read and Heed
9
Mobile Elevating Work Platform (MEWP) Definition
9
Purpose of Equipment
9
Use of Equipment
9
Service Policy and Warranty
9
Ownership of MEWP
9
Optional Equipment
9
Maintenance and Inspection Schedule
10
Owner's Annual Inspection Record
10
Replacement Parts
10
Maintenance and Service Safety Tips
10
Hydraulic System & Component Maintenance and Repair
11
Maintenance Hints
12
About this Section
13
Maintenance Instructions
13
Owner's Annual Inspection Record
14
Frequent/Periodic/Annual/Pre-Delivery Inspection Checklist
15
General Inspections
16
Service Bulletins (B)
16
Annual Inspections (B)
16
Labels
16
Pothole Protection Limit
16
Switches(B)
16
Base Inspection
17
Scissors Inspection
21
Platform Inspection
25
Function Tests
26
Section 2 - Maintenance Tables and Diagrams
27
Standard Hose Numbering System
27
Torque Specifications for Fasteners (US)
29
Torque Specifications for Fasteners (Metric)
30
Torque Specifications for Hydraulic Couplings & Hoses
31
Specifications & Features - ANSI/CSA
32
Specifications & Features - ANSI/CSA Powerdeck and ACPP
33
Specifications & Features - CE
34
Specifications & Features - as
35
Specifications & Features - KC
36
Maximum Platform Capacities (Evenly Distributed)
37
Ansi/Csa
37
Maximum Platform Capacities (Evenly Distributed)
38
Ce/As/Kc
38
Floor Loading Pressure (ANSI/CSA)
39
Floor Loading Pressure (CE)
40
Floor Loading Pressure (AS)
41
Floor Loading Pressure (KC)
42
Torque Specifications
43
Section 3 - System Component Identification and Schematics
45
Electrical Symbol Chart
46
Hydraulic Symbol Chart
47
Wire Number and Color Code
48
Hydraulic Parts List
49
Electrical Parts List
51
Drive Manifold MB2 - SJ3220/26 & SJ4726/32 (ANSI/CSA)
53
Drive Manifold MB2 - SJ3220/26 (CE, as & KC)
54
Drive Manifold MB2 - SJ4720/26/32 (CE, as & KC)
55
Brake Manifold MB6 - SJ4720/26/32 (CE, as & KC)
55
Single Lift Cylinder Manifold MB5 - SJ3220, SJ4720
56
Dual Lift Cylinder Manifold MB3 & MB4 - SJ3226, SJ4726/32
57
Powerdeck Manifold MB1 - SJ3220, SJ4720
58
Platform Control Box Wiring
59
Platform Control Box Wiring - SGLE
60
Platform Control Box Wiring - ACPP
61
Base to Platform Control Cable
62
Base Control Wiring
63
Base Control Wiring - ACPP
64
Emergency Lowering Switch Wiring
65
Limit Switch Wiring
66
Limit Switch Wiring - Anti-Overrising Posts (KC Only)
67
Anti-Overrising Harnesses (KC Only)
68
Electrical Harnesses
69
Powerdeck Harnesses
70
Interlocks Harness (ANSI/CSA ACPP)
72
Outdoor Switch Wiring and Harness (SJ3226 ANSI/CSA Only)
73
Main Manifold MB1
75
Hydraulic Schematics - SJ3220/26 ANSI/CSA
76
Hydraulic Schematics - SJ3220/26 CE
77
Hydraulic Schematics - SJ3220/26 AS/KC
78
Hydraulic Schematics - SJ4720/26/32 ANSI/CSA
79
Hydraulic Schematics - SJ4720/26/32 CE
80
Hydraulic Schematics - SJ4720/26/32 AS/KC
81
Telematics Harness
82
Electrical Schematic - SJ3220, SJ4726/32 - All Option (ANSI/CSA)
83
Electrical Schematic - SJ3226 - All Option (ANSI/CSA)
84
Electrical Schematic - All Option (CE)
85
Electrical Schematic - All Option (AS)
86
Electrical Schematic - All Option (KC)
87
Electrical Schematic - SJ4726 - ACPP
88
Section 4 - Troubleshooting Information
94
Introduction
94
Electrical System
95
All Controls Inoperative
95
All Controls Except for down Function Inoperative
97
All Controls Inoperative from Base Control Console
98
No up Function from Base Control Console
99
No down Function from Base Control Console
100
No Emergency down Function from Base Control Console
101
All Controls Inoperative from Platform Control Console
102
No up Function from Platform Controls (ANSI/CSA, CE, and AS)
105
No up Function from Platform Controls (KC)
106
10 No down Function from Platform Controls
108
11 Right Steer Inoperative
109
12 Left Steer Inoperative
109
13 Forward Drive Function Inoperative
110
14 Reverse Drive Function Inoperative
111
15 No Drive or Steer When Platform Elevated
113
16 High/Low Torque Inoperative
113
17 Pressure Transducer PT1 Inoperative
114
18 Angle Transducers AT1 And/Or AT2 Inoperative
115
19 Power Deck Inoperative (if Option Is Installed)
115
Hydraulic System
117
All Functions Inoperative
117
All System Sluggish
117
Platform Drifts down
117
Platform Lifts Slowly
117
Platform Does Not Lift
117
Platform will Not Lower
118
Platform Drives Slow
118
Platform will Not Drive in Forward or Reverse
118
Brake(S) will Not Release (Pin Brakes)
118
10 Brake(S) will Not Release (Wet Brakes)
119
11 MEWP will Not Hold on a Grade (Wet Brakes)
119
12 Platform Does Not Steer
119
13 High/Low Torque Inoperative
119
14 Platform Power Deck Inoperative (if Option Installed)
119
Section 5 - Procedures
120
General
120
Safety and Workmanship
120
Platform
121
Single Axis Joystick
121
Gate Spring Hinge Adjustment
122
Railing Maintenance and Repair
122
Base
123
System Relief Pressure Adjustment
123
Pothole Compression Rod Replacement
124
Pothole Limit Switches (LS1 & LS2) Replacement and Adjustment
125
Pothole Bar Replacement/Removal for Servicing
127
Tightening and Torque Recommendations for Hydraulic Couplings and Hoses
129
Integrated Hub Wheel Removal and Installation
131
Battery Maintenance
135
Charger Maintenance
135
Skycoded Module
142
Skycoded Control Module (CM1)
142
Calibration and Diagnostic Tool Key Functions
145
Diagnostics, Help Messages and Flash Codes
160
Override Mode Procedure
167
Initial Set-Up and Change Defaults Procedure
167
Access Levels Procedure
168
Calibrate Level Procedure
168
Calibrate Load Procedure
169
Language Setting Procedure
171
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Skyjack SJ4732 Operation Manual (114 pages)
DC Electric Scissors
Brand:
Skyjack
| Category:
Lifting Systems
| Size: 8.28 MB
Table of Contents
Table of Contents
5
Section 1 - about this Mobile Elevating Work Platform (MEWP)
9
Read and Heed
9
Mobile Elevating Work Platform (MEWP) Definition
9
Purpose of Equipment
9
Use of Equipment
9
Operation Manual
9
Operator
9
Service Policy and Warranty
9
Ownership of Machine
9
Optional Accessories
9
Primary Assemblies
10
Serial Number Nameplate
11
Maintenance Responsibility
12
Operator
12
Maintenance and Inspection Schedule
12
Owner
12
Section 2 - General Safety Precautions
13
Electrocution Hazards
13
Minimum Distance from Electrical Conductors
13
Safety Instructions
14
Fall-Protection
17
Worksite Inspection
17
Section 3 - Familiarization
19
Overview of the MEWP
20
Manual Storage Box
21
Control Functions
21
Main Power Disconnect Switch
21
Base Control Console
21
Platform Control Console
22
Features and Devices
23
Lowered Travel Position and Elevated Travel Position
23
Drive Speed
23
Tilt Switch
23
Brake Release System
24
Freewheeling Valve
24
Emergency-Lowering System
25
Fall-Protection Anchorage
25
Platform Load-Sensing System
26
Pothole Protection
26
10 Maintenance Support(S)
27
General Components
27
AC Power Socket on the Platform
27
Battery Charger
27
Folding-Guardrail System
28
Extension Platform
28
Motion Alarm
28
Skycoded™ Display Panel
28
Dual Height Control Console (SJ3226 and SJ4740)
29
Optional Equipment
29
Power Deck Control Console (SJ3220 and SJ4726)
29
1500 W Inverter
30
Secondary Guarding Lift Enable (SGLE) Push-Button
30
Elevate™ Telematics - Access Control Unit
30
Section 4 - Inspections before Operation
33
Operator's Responsibility
33
Visual and Daily Maintenance Inspections
34
Labels
34
Pothole Protection Limit Switches
34
Electrical
34
Hydraulic
34
Wheel/Tire Assembly
35
Entrance Side
36
Battery Tray Side
37
Extension Side
38
Hydraulic and Electric Tray Side
39
10 Platform Assembly
40
11 Lift Mechanism
41
Function Tests
42
Do a Test of the Main Power Disconnect Switch
42
Do a Test of the Control Module and Load Sensing Module Self-Check
42
Do a Test of the Emergency-Stop Button on the Base
42
Do a Test of the Off/Platform/Base Key Switch
43
Do a Test of the Lower/Neutral/Raise Switch
43
Do a Test of the Emergency-Lowering Function
43
Do a Test of the Freewheeling Function
44
Do a Test of the Emergency-Stop Button on the Platform
44
Do a Test of the Function-Enable Switch
45
10 Do a Test of the Steer Function
45
11 Do a Test of the Drive Function
45
12 Do a Test of the Anti-Tiedown Function
45
13 Do a Test of the Brakes
46
14 Do a Test of the Platform Raise and Lower Functions
46
15 Do a Test of the Horn
46
16 Do a Test of the Pothole Protection Device
47
17 Do a Test of the Elevated Travel Speed
47
18 Do a Test of the Dual Height Control Console (SJ3226 and SJ4740)
48
19 Do a Test of the Power Deck Control Console (Optional Equipment for SJ3220 and SJ4726)
49
20 Do a Test of the SGLE Switch (Optional Equipment)
49
21 Do a Test of the Flashing Light (Optional Equipment)
50
Operator's Checklist
51
Section 5 - Operation
53
Energize the Base Control Console
53
Raise or Lower the Platform with the Base Control Console
53
Energize the Platform Control Console
54
Raise or Lower the Platform with the Platform Control Console
54
Drive Forward or Rearward
55
Steer
55
Select the Level-Drive or Inclined-Drive Mode
55
Extend/Retract the Extension Platform
56
Extend/Retract the Extension Platform Manually
56
Extend/Retract the Extension Platform with the Power Deck
56
Sj4726)
56
Electrical Inverter (Optional Equipment)
56
Raise and Lower with the SGLE Platform Control Console (Optional Equipment)
57
MEWP Shutdown
57
Section 6 - Procedures
59
Use the Emergency-Lowering Function
59
Open the Freewheeling Valve
60
Release the Brakes Manually
60
Winch and Tow the MEWP
61
Use the Platform Control Console from the Ground
62
Disconnect and Remove the Platform Control Console
62
Operate the MEWP from the Ground
62
Move the MEWP for Transport
64
Hoist the MEWP
64
Drive and Tie-Down the MEWP
65
Charge the Battery
65
Use the Maintenance Support(S)
67
Deploy the Maintenance Support(S)
67
Store the Maintenance Support(S)
68
Fold the Guardrails
68
Fold the Guardrail System down (SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732)
69
Fold the Guardrail System down (SJ4740)
72
Unfold the Guardrails (SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732)
75
Unfold the Guardrails (SJ4740)
77
Move the MEWP through a Doorway
78
Section 7 - Specifications
81
Standard and Optional Equipment
81
Owner's Annual Inspection Record
82
Specifications
83
Environment
84
Maximum Platform Capacities (Evenly Distributed)
85
Floor Loading Pressure
86
Section 8 - Labels
87
Base Control Console Labels
88
Platform Control Console Labels
89
Dual Height Control Console Label (SJ3226 and SJ4740)
90
Power Deck Control Console Labels (SJ3220 and SJ4726)
91
Labels
92
Rear
92
Left Side
97
Platform
100
Front
102
Scissor Assembly - Rear
102
Right Side
105
Battery Tray
108
Hydraulic Tray
108
Skycoded™ Display Panel
109
10 Top View
110
Section 9 - Unique Skyjack Features
111
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