Name: Skyjack SJ20
Brand: Skyjack
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OPERATION

MANUAL

VERTICAL MAST

236504ADA

June 2021

ANSI/CSA

SJ20

Table of Contents5
Section 1 - about this Mobile Elevating Work Platform (MEWP)9
Read and Heed9
Mobile Elevating Work Platform (MEWP) Definition9
Purpose of Equipment9
Use of Equipment9
Operation Manual9
Operator9
Service Policy and Warranty9
Ownership of MEWP9
Optional Equipment9
Scope of this Manual10
Primary Assemblies11
Serial Number Nameplate12
Maintenance Responsibility13
Operator13
Maintenance and Inspection Schedule13
Owner13
Section 2 - General Safety Precautions15
Electrocution Hazards15
Minimum Distance from Electrical Conductors15
Safety Instructions16
Fall-Protection19
Worksite Inspection19
Section 3 - Familiarization21
Overview of the MEWP22
Manual Storage Box23
Control Functions23
Main Power Disconnect Switch23
Base Control Console23
Platform Control Console24
Features and Devices24
Lowered Travel Position and Elevated Travel Position24
Drive Speed25
Tilt Switch25
Brake Release System25
Emergency-Lowering System25
Fall-Protection Anchorages25
Pothole Protection Device26
Platform Load-Sensing System26
General Components27
Circuit Breaker and Diagnostic Switch27
AC Power Socket on the Platform27
Battery Charger27
Motion Alarm27
Platform Maintenance Lock28
Optional Equipment28
Secondary Guarding Lift Enable (SGLE) Push-Button28
Flashing Light29
Elevate™ Telematics - Access Control Unit29
Dual Height Control Console31
Ecotray Leak Containment System31
Section 4 - Inspections before Operation33
Operator's Responsibility33
Visual and Daily Maintenance Inspections34
Labels34
Electrical34
Limit Switches34
Hydraulic34
Base35
Wheel/Tire Assembly35
Platform Assembly36
Hydraulic/Electrical Compartment37
Lift Mechanism39
10 Optional Equipment and Attachments39
Function Tests40
Do a Test of the Main Power Disconnect Switch40
Do a Test of the Emergency-Stop Button on the Base40
Do a Test of the Off/Platform/Base Key Switch40
Do a Test of the Lower/Neutral/Raise Switch41
Do a Test of the Brake Release Function41
Do a Test of the Emergency-Lowering Function42
Do a Test of the Platform Maintenance Limit Switch42
Do a Test of the Emergency-Stop Button on the Platform43
Do a Test of the Function-Enable Switch43
10 Do a Test of the Steer Function43
11 Do a Test of the Drive Function43
12 Do a Test of the Anti-Tiedown Function44
13 Do a Test of the Brakes44
14 Do a Test of the Platform Raise and Lower Functions45
15 Do a Test of the Horn45
16 Do a Test of the Elevated Travel Speed45
17 Do a Test of the SGLE Switch (Optional Equipment)46
18 Do a Test of the Flashing Light (Optional Equipment)46
19 Do a Test of the Dual Height Control Console (Optional Equipment)47
Operator's Checklist48
Section 5 - Operation51
Energize the Base Control Console51
Raise or Lower the Platform with the Base Control Console51
Energize the Platform Control Console51
Raise or Lower the Platform with the Platform Control Console52
Drive Forward or Rearward53
Steer53
Platform Traversing53
Raise and Lower with the SGLE Platform Control Console (Optional Equipment)54
MEWP Shutdown54
Section 6 - Additional Procedures55
Use the Emergency-Lowering Function55
Release the Brakes55
Use the Platform Control Console from the Ground56
Remove the Platform Control Console56
Operate the MEWP from the Ground56
Push, Winch and Tow the MEWP58
Move the MEWP for Transport58
Hoist the MEWP59
Drive and Tie-Down the MEWP59
Open the Hydraulic/Electrical Compartment61
Charge the Battery62
Section 7 - Specifications65
Standard and Optional Equipment65
Owner's Annual Inspection Record66
Specifications67
Environment68
Maximum Platform Capacities (Evenly Distributed)68
Floor Loading Capacity69
Section 8 - Labels71
Labels72
Rear View72
Left View74
Front View78
Right View81
Platform Control Console83
Base View (Cover Down)84
Platform (Inside View)85
Base View-Cover up86
Optional Equipment87
Section 9 - Unique Skyjack Features89

Brand	Skyjack
Model	SJ20
Category	Lifting Systems
Language	English

Skyjack SJ20 Operation Manual

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