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SJ40T
Skyjack SJ40T User Manual
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Major Components
Section 3 - Operation
3.2
Major Components
SK
YJACK T
elescopic Boom
Platform
Jib
Control
Compartment
Engine
Compartment
Base
Fly Boom
T
urret
Main Boom
Power T
rack
Platform Control Console
Base Control
Console
Lift Cylinder
Mid Boom
P
age 44
SJ 40T & SJ 45T
SJ 61T & SJ 66T
43
45
Table of Contents
Table of Contents
4
Section 1 - about Your Aerial Platform
5
Read and Heed
5
Safety Rules
6
Safety Precautions
8
Fall Protection
11
Jobsite Inspection
11
Familiarization of Telescopic Boom Series
13
Section 2 - Familiarization
13
Component Identification
14
Drive Bypass Valve
14
Brake System
14
Main Power Disconnect Switch
14
Tilt Switch
15
Differential Lock Switch
15
Footswitch
15
Base Control Console
16
Status Indicator Pilot Lights
17
Platform Control Console
19
Visual & Daily Maintenance Inspections
21
Labels
21
Limit Switches
21
Hydraulic
21
Engine Compartment
22
Battery
22
Swing Drive Motor
22
Turret Rotation Gear
23
Rotary Manifold
23
Hydraulic Pumps
23
Muffler and Exhaust
23
Control Compartment
24
Hydraulic Tank
24
Hydraulic Oil
24
Brake and Main Manifolds
24
Overhead View
25
Base
25
Fuel Leaks
25
Oscillating Cylinder Assembly
25
Manuals
26
Platform Assembly
26
Rotary Actuator
27
Jib
27
Boom
27
Cylinders
27
Optional Equipment/Attachments
28
Hydraulic Generator
28
Battery Warmer/Hydraulic Oil Heater
28
Welder
28
Function Tests
29
Test Main Power Disconnect Switch
29
Test Start/Function Enable/Emergency
30
Test Platform Self-Leveling
30
Test Emergency Power
31
Positive Air Shutoff Option
33
Test Engine Start/On/Off Switch
35
Test Emergency Stop
35
Test Driving Speed
36
Test Brakes
37
Test Differential Lock Switch
37
Test Oscillating Axles
38
Test Cables (61T/66T)
38
Winching and Towing Procedure
39
To Release Brakes Manually
40
Brake Manifold - SJ61/66T
40
Emergency Lowering Procedures
41
Operator Qualifications
43
Maintenance and Inspection Schedule
43
Operator’s Responsibility for Maintenance
43
Section 3 - Operation
43
General
43
Major Components
44
SKYJACK Telescopic Boom
44
Major Assemblies
45
Serial Number Nameplate
45
Turret Transportation Lock
46
All Motion Alarm
46
Manual Storage Box
46
Component Identification
46
Tire Sealant
47
AC Outlet on Platform
47
Cold Weather Start
47
Battery Warmer/Hydraulic Oil Heater Cord
47
Component Identification (Optional Equipment/Attachments)
47
Flashing Amber Light
48
Work Light
48
Glazier Tray
48
Arctic Weather Package
49
Heater Plug
49
Operator's Responsibility
50
Visual and Daily Maintenance Inspections
50
Start Operation
51
To Activate Base Control Console
51
To Rotate Platform Using Base Control Console
52
To Rotate Turret Using Base Control Console
52
To Raise or Lower Main Boom Using Base Control Console
52
To Extend or Retract Fly Boom Using Base Control Console
52
To Operate Using Emergency Power Switch at Base Control Console
53
To Activate Platform Control Console
53
To Drive Forward or Reverse Using Platform Control Console
54
To Steer Using Platform Control Console
54
To Move Jib up and down Using Platform Control Console
54
To Extend or Retract Fly Boom Using Platform Control Console
54
To Rotate Turret Using Platform Control Console
55
To Engage Differential Lock Switch
55
To Disengage Differential Lock Switch
55
Shutdown Procedure
55
To Start the Hydraulic Generator
56
To Restore Normal Operation
56
Cold Weather Operation Chart
57
Refueling Procedure
58
Regular Fuel (Gasoline or Diesel)
58
Loading/Unloading
59
Loading and Tie-Down
59
Tie-Down Points
59
Locking the Turret
60
Lifting
60
40/45T Turret Transportation Lock & Locking Points
60
40/45T Lifting Points
60
Lifting (61T/66T)
61
61/66T Center of Gravity
61
61/66T Overhead View Lifting Points
61
61/66T Lifting Points
61
Chassis Tilt
62
Counterweight Uphill
62
Counterweight Downhill
62
Dimension and Reach Diagram - SJ 40T
63
Reach Diagram - 40T
63
Dimension - 40T
63
Section 3 - Diagrams
63
Dimension and Reach Diagram - SJ 45T
64
Dimensions - 45T
64
Dimension and Reach Diagram - SJ 61T
65
Reach Diagram - 61T
65
Dimension - 61T
65
Diagram 3.4 Dimension and Reach Diagram - SJ 66T
66
Reach Diagram - 66T
66
Dimensions - 66T
66
Axle Oscillation - SJ 45T/66T
67
Axle Oscillation - SJ 40T/61T
67
Diagram 3.5 Axle Oscillation Diagrams
67
Standard and Optional Features
69
Section 4 - Tables
69
Specifications and Features
70
Floor Loading Pressure
74
Locally Concentrated Pressure (LCP)
74
Overall Uniform Pressure (OUP)
74
General Maintenance
75
Operator’s Checklist
76
Label Legend
77
Section 5 - Labels
77
Engine Side
78
Platform Views
88
Section 6 - Skyjack Features
103
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Skyjack SJ40T Specifications
General
Brand
Skyjack
Model
SJ40T
Category
Boom Lifts
Language
English
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