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SJ4740
Skyjack SJ4740 User Manual
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This manual is for MEWP
s with serial numbers:
SJ3215:
A100 000 001 & Abo
ve
SJ3219:
A100 000 001 & Abo
ve
SJ3220:
A101 000 001 & Abo
ve
SJ3226:
A101 000 001 & Abo
ve
SJ4726:
A102 000 001 & Abo
ve
SJ4732:
A102 000 001 & Abo
ve
SJ4740:
A103 000 001 & Abo
ve
Pl
ease r
efer t
o the website (www.skyjack.c
om)
for c
ontact information, other Serial Numbers,
most r
ecent T
echnical Manuals, and USB
softwar
e.
Original instructions in English.
1
3
Table of Contents
Default Chapter
5
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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Skyjack SJ4740 Specifications
General
Brand
Skyjack
Model
SJ4740
Category
Lifting Systems
Language
English
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