Skyjack SJ 3215 User manual

OPERATION
MANUAL
SJ3215, SJ3219,
SJ3220, SJ3226,
SJ4726, SJ4732,
SJ4740
DC ELECTRIC SCISSORS
216380ACA
February 2020
ANSI/CSA

This manual is for MEWPs with serial numbers:
SJ3215: A100 000 001 & Above
SJ3219: A100 000 001 & Above
SJ3220: A101 000 001 & Above
SJ3226: A101 000 001 & Above
SJ4726: A102 000 001 & Above
SJ4732: A102 000 001 & Above
SJ4740: A103 000 001 & Above
Please refer to the website (www.skyjack.com)
for contact information, other Serial Numbers,
most recent Technical Manuals, and USB
software.
Original instructions in English.

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
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The Safety Alert Symbol identifies important safety
messages on MEWPs, safety signs in manuals or
elsewhere. When you see this symbol, be alert to
the possibility of personal injury or death. Follow the
instructions in the safety message.
DANGER
DANGER indicates an imminently hazardous
situation which, if not avoided, will result in death
or serious injury.
WARNING
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in death
or serious injury.
CAUTION
CAUTION indicates a potentially hazardous
situation which, if not avoided, may result in minor
or moderate injury. It may also be used to alert
against unsafe practices.
IMPORTANT
IMPORTANT indicates a procedure essential for
safe operation and which, if not followed, may
result in a malfunction or damage to the MEWP.
Red
DANGER.
Orange
WARNING.
Yellow
CAUTION.
Green
Emergency-
lowering
procedure.
Blue
Safety
information.
THIS SAFETY ALERT SYMBOL MEANS ATTENTION!
BE ALERT! YOUR SAFETY IS INVOLVED.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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Notes

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
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Section 1 – About this Mobile Elevating Work Platform (MEWP) . . . . . . . . . . . . . . . . . . . . 9
1.1 Read and Heed ....................................................................9
1.1-1 Mobile Elevating Work Platform (MEWP) definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
1.1-2 Purpose of equipment ...........................................................9
1.1-3 Use of equipment ...............................................................9
1.1-4 Operation manual ...............................................................9
1.1-5 Operator ......................................................................9
1.1-6 Service policy and warranty .......................................................9
1.1-7 Ownership of Machine ...........................................................9
1.1-8 Optional Accessories ............................................................9
1.1-9 Scope of this Manual ............................................................9
1.2 Primary assemblies ................................................................10
1.3 Serial number nameplate ...........................................................11
1.4 Maintenance responsibility ..........................................................12
1.4-1 Operator .....................................................................12
1.4-2 Maintenance and inspection schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
1.4-3 Owner .......................................................................12
Section 2 – General Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.1 Electrocution hazards ..............................................................13
2.1-1 Minimum distance from electrical conductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.2 Safety instructions .................................................................14
2.3 Fall-protection ....................................................................17
2.4 Worksite inspection ................................................................17
Section 3 – Familiarization ..................................................19
3.1 Overview of the MEWP .............................................................20
3.2 Manual storage box ................................................................21
3.3 Control functions ..................................................................21
3.3-1 Main power disconnect switch ....................................................21
3.3-2 Base control console ...........................................................21
3.3-3 Platform control console .........................................................22
3.4 Features and Devices ..............................................................23
3.4-1 Lowered travel position and elevated travel position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.4-2 Drive speed ...................................................................23
3.4-3 Tilt switch ....................................................................23
3.4-4 Brake release system ...........................................................24
3.4-5 Freewheeling valve .............................................................24
Table of Contents

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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3.4-6 Emergency-lowering system ......................................................25
3.4-7 Fall-protection anchorage ........................................................25
3.4-8 Platform load-sensing system .....................................................26
3.4-9 Pothole protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.4-10 Maintenance support(s) .........................................................27
3.5 General components ...............................................................27
3.5-1 AC power socket on the platform ..................................................27
3.5-2 Battery charger ................................................................27
3.5-3 Folding-guardrail system ........................................................28
3.5-4 Extension platform ..............................................................28
3.5-5 Motion alarm ..................................................................28
3.5-6 Skycoded™ display panel ........................................................28
3.5-7 Dual height control console (SJ3226 and SJ4740) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.6 Optional equipment ................................................................29
3.6-1 Power deck control console (SJ3220 and SJ4726) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
3.6-2 1500 W inverter ................................................................30
3.6-3 Secondary Guarding Lift Enable (SGLE) push-button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.6-4 Elevate™ telematics - access control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Section 4 – Inspections Before Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
4.1 Operator’s Responsibility ...........................................................33
4.2 Visual and daily maintenance inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
4.2-1 Labels .......................................................................34
4.2-2 Pothole protection limit switches ..................................................34
4.2-3 Electrical .....................................................................34
4.2-4 Hydraulic .....................................................................34
4.2-5 Wheel/tire assembly ............................................................35
4.2-6 Entrance side .................................................................36
4.2-7 Battery tray side ...............................................................37
4.2-8 Extension side .................................................................38
4.2-9 Hydraulic and electric tray side ...................................................39
4.2-10 Platform assembly ..............................................................40
4.2-11 Lift mechanism ................................................................41
4.3 Function Tests ....................................................................42
4.3-1 Do a test of the main power disconnect switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.3-2 Do a test of the control module and load sensing module self-check . . . . . . . . . . . . . . . . . . . . . . 42
4.3-3 Do a test of the emergency-stop button on the base . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
4.3-4 Do a test of the off/platform/base key switch ........................................43
4.3-5 Do a test of the lower/neutral/raise switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4.3-6 Do a test of the emergency-lowering function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
4.3-7 Do a test of the freewheeling function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.3-8 Do a test of the emergency-stop button on the platform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
4.3-9 Do a test of the function-enable switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

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4.3-10 Do a test of the steer function .....................................................45
4.3-11 Do a test of the drive function .....................................................45
4.3-12 Do a test of the anti-tiedown function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
4.3-13 Do a test of the brakes ..........................................................46
4.3-14 Do a test of the platform raise and lower functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
4.3-15 Do a test of the horn ............................................................46
4.3-16 Do a test of the pothole protection device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.3-17 Do a test of the elevated travel speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
4.3-18 Do a test of the dual height control console (SJ3226 and SJ4740) . . . . . . . . . . . . . . . . . . . . . . . . 48
4.3-19 Do a test of the power deck control console (optional equipment for SJ3220 and SJ4726). . . . . 49
4.3-20 Do a test of the SGLE switch (optional equipment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
4.3-21 Do a test of the flashing light (optional equipment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
4.4 Operator’s Checklist ...............................................................51
Section 5 – Operation ......................................................53
5.1 Energize the base control console ....................................................53
5.2 Raise or lower the platform with the base control console. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
5.3 Energize the platform control console .................................................54
5.4 Raise or lower the platform with the platform control console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
5.5 Drive forward or rearward ...........................................................55
5.6 Steer ............................................................................55
5.7 Select the level-drive or inclined-drive mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
5.8 Extend/retract the extension platform .................................................56
5.8-1 Extend/retract the extension platform manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
5.8-2 Extend/retract the extension platform with the power deck (optional equipment for SJ3220 and
SJ4726) ......................................................................56
5.9 Electrical inverter (optional equipment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
5.10 Raise and lower with the SGLE platform control console (optional equipment) . . . . . . . . . . . . . . . 57
5.11 MEWP shutdown ..................................................................57
Section 6 – Procedures ....................................................59
6.1 Use the emergency-lowering function .................................................59
6.2 Open the freewheeling valve ........................................................60
6.3 Release the brakes manually ........................................................60
6.4 Winch and tow the MEWP ...........................................................61
6.5 Use the platform control console from the ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
6.5-1 Disconnect and remove the platform control console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.5-2 Operate the MEWP from the ground ...............................................62
6.6 Move the MEWP for transport ........................................................64
6.6-1 Hoist the MEWP ...............................................................64
6.6-2 Drive and tie-down the MEWP ....................................................65
6.7 Charge the Battery ................................................................65
6.8 Use the Maintenance Support(s) .....................................................67
6.8-1 Deploy the maintenance support(s) ................................................67

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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6.8-2 Store the maintenance support(s) .................................................68
6.9 Fold the guardrails ................................................................68
6.9-1 Fold the guardrail system down (SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732) . . . . . . . . 69
6.9-2 Fold the guardrail system down (SJ4740) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
6.9-3 Unfold the guardrails (SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732) . . . . . . . . . . . . . . . . . 75
6.9-4 Unfold the guardrails (SJ4740) ....................................................77
6.10 Move the MEWP through a doorway ..................................................78
Section 7 – Specifications ..................................................81
7.1 Standard and optional equipment ....................................................81
7.2 Owner’s Annual Inspection Record ...................................................82
7.3 Specifications ....................................................................83
7.4 Environment ......................................................................84
7.5 Maximum platform capacities (evenly distributed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.6 Floor loading pressure .............................................................86
Section 8 – Labels ........................................................87
8.1 Base control console labels .........................................................88
8.2 Platform control console labels ......................................................89
8.3 Dual height control console label (SJ3226 and SJ4740) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .90
8.4 Power deck control console labels (SJ3220 and SJ4726) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
8.5 Labels ...........................................................................92
8.5-1 Rear .........................................................................92
8.5-2 Left side .....................................................................97
8.5-3 Platform .....................................................................100
8.5-4 Front .......................................................................102
8.5-5 Scissor assembly - rear .........................................................102
8.5-6 Right side ...................................................................105
8.5-7 Battery tray ..................................................................108
8.5-8 Hydraulic tray ................................................................108
8.5-9 Skycoded™ display panel .......................................................109
8.5-10 Top view ....................................................................110
Section 9 – Unique Skyjack Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
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Section 1 – About this Mobile Elevating
Work Platform (MEWP)
1.1 Read and Heed
Skyjack is continuously improving and expanding
product features on its equipment; therefore,
specifications and dimensions are subject to change
without notice.
1.1-1 Mobile Elevating Work Platform
(MEWP) definition
A mobile machine intended for moving persons, tools,
and material to working positions, consisting of a work
platform with controls, an extending structure, and a
chassis.
1.1-2 Purpose of equipment
The Skyjack SJ DC Electric Scissor lifts are designed
to move personnel, tools, and materials to working
positions.
1.1-3 Use of equipment
The MEWP is a highly maneuverable, mobile work
station. Work platform elevation and elevated driving
must only be done on a firm, level surface.
1.1-4 Operation manual
The operation manual is an important part of the
MEWP. It is important to always keep a copy of this
manual in the weather-resistant manual storage box of
the MEWP. The manual must be in good condition.
1.1-5 Operator
The operator must read and completely understand
this operation manual, the safety panel label located
on the platform, the limitations, operating procedures,
operator’s responsibility for maintenance and all other
warnings and instructions in this manual and on the
MEWP.
Before you operate the MEWP, make sure you read
and completely understand this information:
1. The full contents of the operation manual,
including the MEWP limitations and the
responsibilities of the operator for the operation,
applicable maintenance and safety instructions.
2. The safety panel label on the platform, the labels
on the MEWP and the attachments.
Compare the labels on the MEWP with the labels in
this manual. Immediately replace any labels that are
damaged or missing.
Only trained and authorized personnel shall be
permitted to operate a MEWP.
The operator must be familiar with the employer’s
work rules and related government regulations.
1.1-6 Service policy and warranty
Skyjack warrants each new product to be free of
defective parts and workmanship for the first 2 years
or 3000 hours, whichever occurs first. Any defective
part will be replaced or repaired by your local Skyjack
dealer at no charge for parts or labor. In addition,
all products have a 5-year structural warranty.
Contact the Skyjack Service Department for warranty
statement extensions or exclusions.
1.1-7 Ownership of Machine
Notify Skyjack of MEWP ownership. If you sell or
transfer the ownership of a MEWP, promptly notify
Skyjack of the new owner’s contact information.
Skyjack needs this information to inform the owner of
any updates or additional activities that are necessary
to keep the machine in proper working condition.
1.1-8 Optional Accessories
This MEWP is designed to accept a variety of optional
accessories. Refer to Section 3.6 for a list of the
optional accessories. Operating instructions for these
options are located in Section 5 of this manual.
For components or systems that are not standard,
speak to the Skyjack Service Department. Give the
model and serial number for each applicable MEWP.
1.1-9 Scope of this Manual
1. This manual applies to the ANSI/CSA version of
the SJ DC Electric Scissors series. For a list of
applicable models, refer to Section 7.3.
▪Equipment identified with ANSI meets the ANSI
SAIA-A92.20-2018 standard.
▪Equipment identified with CSA meets the CSA
B354.6:2017 standard.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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Section 1 – About this Mobile Elevating Work Platform (MEWP) Primary assemblies
1.2 Primary assemblies
The MEWP has these primary assemblies:
1. Base
2. Lift mechanism
3. Platform.
1 Base: The base is an assembly consisting of
these components:
▪A tray, which contains the hydraulic and
electrical components.
▪A tray, which contains:
▪For models SJ3215, SJ3219, SJ3220,
SJ3226, SJ4726, and SJ4732: four 6 V
batteries and a charger. The charger for
models SJ3215 and SJ3219 is located at the
rear of the base.
▪For model SJ4740: four 12 V batteries and a
charger.
▪The front wheels are steerable by a hydraulic
cylinder.
For models SJ3215, SJ3219, and SJ4740:
the front wheels are driven by two hydraulic
motors.
For models SJ3220, SJ3226, SJ4726, and
SJ4732: the front wheels are non-driven.
▪The rear wheels have spring-applied,
hydraulically-released brakes.
For models SJ3215, SJ3219, and SJ4740: The
rear wheels are non-driven.
For models SJ3220, SJ3226, SJ4726, and
SJ4732: The rear wheels are driven by two
hydraulic motors.
2 Lift mechanism: The lift mechanism is a scissor-
type assembly made of formed steel or tube
sections. Single-acting hydraulic-lift cylinders
with holding valves move the scissor assembly
and the platform up and down.
3 Platform: The platform has these parts.
▪Tubular support frame.
▪Slip-resistant “diamond plate” deck surface.
▪Hinged tubular guardrails, with mid-rails, and
toe boards.
▪You can enter and exit the platform from the
rear through a spring-returned gate with a
latch.
▪Front extension platform.
▪AC power socket.
3
3
22
1 1
Models SJ3215, SJ3219 Models SJ3220, SJ3226, SJ4726, SJ4732, SJ4740

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
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Serial number nameplate Section 1 – About this Mobile Elevating Work Platform (MEWP)
Entrance Side
1.3 Serial number nameplate
The serial number nameplate 1 is located at the
rear side of the MEWP. It contains this information:
▪Model number
▪Type
▪Group
▪Serial number
▪Indoor or outdoor use
▪Capacity and maximum number of persons
▪Voltage
▪Maximum drive height
▪Maximum platform height
▪Maximum wind speed
▪Maximum manual force
▪Model year
▪MEWP weight
▪System pressure
▪Maximum incline.
SJ4740
1

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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Section 1 – About this Mobile Elevating Work Platform (MEWP) Maintenance responsibility
1.4 Maintenance responsibility
1.4-1 Operator
Before the beginning of each shift, do all the daily
inspections and function tests. Refer to Section 4.
1.4-2 Maintenance and inspection
schedule
Refer to the service manual for frequent, periodic, and
annual inspections.
The actual operating environment of the MEWP may
affect the maintenance schedule.
IMPORTANT
Only use original or manufacturer-approved parts
and components for the MEWP.
NOTE
Refer to the Skyjack web site (www.skyjack.com) for
machine registration and latest service bulletins before
you do frequent/periodic or annual inspections.
1.4-3 Owner
The owner is responsible for the maintenance
inspections and repairs. Refer to the service manual
for the recommended maintenance and inspection
areas and intervals. Keep a record of the annual
inspection on the label on the scissor assembly. Refer
to Section 7.2 in this manual.
WARNING
Only trained and qualified/competent personnel,
who understand the mechanical procedures, may
do maintenance on the MEWP. The use of a MEWP
that is not correctly maintained or in the correct
working condition could result in death or serious
injury.

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Section 2 – General Safety Precautions
WARNING
Failure to obey the instructions and precautions
in this manual could result in MEWP damage,
property damage, personal injury, or death.
It is mandatory that you use this MEWP correctly.
Read this manual and make sure you fully understand
it before you operate the MEWP.
Use personal protective equipment (PPE) when you
do work on or near machinery to protect your eyes,
ears, hands, feet, and body.
Any modifications to the MEWP must have written
permission from Skyjack.
WARNING
Do not operate the MEWP if:
▪It does not operate correctly
▪It is damaged, or shows worn or missing
parts
▪The safety devices are tampered with or
disabled
▪It is locked and tagged for servicing or repair
▪It was modified without permission from
Skyjack and the MEWP owner.
If you do not obey, there is a risk of death or
serious injury.
2.1 Electrocution hazards
The MEWP is not electrically insulated and does not
provide protection from contact with or proximity to
energized electrical conductors. Follow Section 2.1-1
for the minimum distance to keep between all parts
of the MEWP, occupants, or tools, and the electrical
conductors. Consider MEWP movement and electrical
line sway in minimum distance calculation.
If you need to work nearer than 3m (10ft), stop and
apply control measures as determined by a qualified
person with respect to electrical transmission and
distribution.
Obey all the national, state/provincial/territorial and
local safety rules.
2.1-1 Minimum distance from electrical
conductors
Voltage Range
Minimum Distance
from Electrical
Conductors
≤ 50 KVA 3 m (10 ft)
> 50 KVA, or if not known
STOP and apply control
measures as determined by a
qualified person with respect
to electrical transmission and
distribution.
DANGER
Electrocution hazard. Keep all parts of the MEWP,
occupants, or tools a safe distance away from
power lines, electrical power sources, or energized
sources. If you do not obey, there is a risk of death
or serious injury.
Keep a minimum safe distance
from sources of high-voltage
power.
DO NOT operate the MEWP
during lightning or storms.
CAUTION
DO NOT use the MEWP as a ground for welding.
If you do not obey, there is a risk of minor or
moderate injury, or malfunction or damage to the
MEWP.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
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Section 2 – General Safety Precautions Safety instructions
2.2 Safety instructions
WARNING
DO NOT operate this MEWP without the correct
training and authorization. If you do not obey,
there is a risk of death or serious injury.
WARNING
DO NOT operate this MEWP in closed areas
without sufficient airflow for exhaust gas and
fumes. If you do not obey, there is a risk of death
or serious injury.
WARNING
Failure to heed the following safety precautions
could result in tip-over, falling, crushing, or other
hazards leading to death or serious injury.
KNOW all national, state/provincial or territorial, and
local rules which apply to your MEWP and worksite.
MAKE SURE all the safety and instructional labels
are correctly attached on the MEWP in the correct
location. Clean or replace labels that you cannot read.
DISCONNECT and lock the main power disconnect
on the left side of the MEWP when leaving the MEWP
unattended to prevent unauthorized use.
DO NOT wear jewelry or loose
clothing that could become
caught or entangled.
DO NOT allow the
entanglement of ropes, cables
or hoses with the MEWP,
adjacent structures or objects.
Prevent falling from the
platform. Always keep a firm
footing on the platform floor
when working thereon. Do not
climb on the toe-board, mid-rail,
or top-rail. Do not use planks,
ladders, or any other devices
on the platform for achieving
additional height or reach.
DO NOT raise the platform or
operate elevated in windy or
gusty conditions that exceed
the limits specified in
Section 7.5.
DO NOT increase the surface
area of the platform or carry
large surface area items when
exposed to wind. Increasing the
area exposed to the wind will
decrease the MEWP stability.
DO NOT elevate or drive
elevated on a slope. Elevated
driving must be done on a firm,
level surface.
DO NOT drive elevated on a
soft or uneven surface.
DO NOT raise the platform if it
is not on a firm, level surface.
MAKE SURE the ground condition assessment
considers the subsurface voids such as cellars,
basements, culverts, and pipes.

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
15
Safety instructions Section 2 – General Safety Precautions
DO NOT drive elevated near
depressions or holes of any
type, loading docks, debris,
drop-offs or surfaces that may
affect the stability of the MEWP.
IF OPERATION IN AREAS
WITH HOLES OR DROP-OFFS
IS ABSOLUTELY NECESSARY,
elevated driving shall not be
allowed. Position the MEWP
horizontally only with the
platform fully-lowered. After
ensuring that all 4 wheels have
contact with a firm, level
surface, the platform can be
raised. After elevation, the drive
function must not be activated.
DO NOT ascend or descend grades greater
than the maximum inclines listed in Section 7.3.
Ascending or descending slopes must only be
done when fully lowered.
DO NOT operate a MEWP that
has ladders, scaffolding, or
other devices on it to increase
the platform size or work height.
DO NOT exceed the maximum
side force on the platform
capacity label when elevated
(refer to Section 7.5).
DO NOT use the MEWP as a
crane.
DO NOT sit, stand, or climb on
the guardrails.
DO NOT climb on the scissor
arm assembly.
DO NOT collide or crush.
Be aware of obstructions,
personnel, or other possible
hazards around the MEWP
when elevating, lowering, or
driving. Keep all body parts
inside the platform when
elevating or driving. Be aware
of blind spots when operating
the MEWP.
DO NOT elevate the platform
when the MEWP is on a truck,
forklift, or other device or
vehicle.
DO NOT use the MEWP when
the wheels or tires are damaged
(refer to Section 4.2-5).
Make sure the wheel nuts and
cotter pins are in place.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
16
Section 2 – General Safety Precautions Safety instructions
DO NOT alter or disable
limit switches or other safety
devices.
DO NOT use the MEWP without
guardrails, lock-pins, and the
entry gate(s) in place.
DO NOT use the MEWP under
the influence of alcohol or
drugs, or if the operator’s
performance is impaired by a
medical condition, the influence
of prescription or over the
counter drugs, or fatigue.
DO NOT exceed the rated
capacity of the MEWP.
DO NOT distribute the load
unevenly.
DO NOT use the MEWP if it
does not function correctly or if
any parts are damaged or worn.
DO NOT leave the MEWP
unattended with the key in the
key switch.
DO NOT operate on slippery surfaces without
sufficient traction to stop, drive, or steer the MEWP.
STUNT driving and horseplay are prohibited.
DO NOT position the MEWP against another
object to steady the platform.
DO NOT place materials on the guardrails
or materials that exceed the confines of the
guardrails unless approved by Skyjack.
Remove all personnel from the platform before
you try to free a snagged platform with the base
controls.

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
17
Fall-protection Section 2 – General Safety Precautions
2.3 Fall-protection
The guardrail system is the primary fall protection
system of the MEWP platform.
If personal fall-protection equipment (PFPE) is
required, by an employer or the authority having
jurisdiction, Skyjack recommends the use of a full
body harness with a lanyard. PFPE must be attached
only to approved fall-protection anchorage points in
the platform.
All PFPE must be compliant with applicable
government rules and must be inspected as per the
manufacturer’s recommendation.
WARNING
Fall hazard.
▪Only enter and exit the MEWP using the three
points of contact principle.
▪Only use the equipped access openings.
▪Only enter and exit the MEWP when the
platform is fully lowered.
▪Face the MEWP when entering or exiting the
platform.
Failure to follow these instructions could result in
death or serious injury.
Enter or exit the platform from the ground only. Use
the three points of contact principle, which is when
two hands and one foot, or one hand and two feet are
in contact with the MEWP or the ground at all times.
Face the MEWP when entering or exiting the platform.
2.4 Worksite inspection
Make sure the operating environment, ambient
temperature, Electromagnetic Compatibility (EMC),
and Hazardous Location Rating (locations with
potentially flammable gases, explosive gases or
particles) are appropriate for the MEWP specifications
(refer to Section 7.4).
Be sure to follow all national, state/provincial/territorial,
and local rules that relate to operating the MEWP.
Perform a full worksite inspection before operating the
MEWP. Identify potential hazards in the area.
Be aware of moving equipment in the area. Take the
necessary precautions to prevent collisions.
It is the responsibility of the operator to perform a
worksite inspection and avoid/address the following
hazards:
▪Holes or drop-offs
▪Slopes
▪Ditches or soft fills
▪Floor obstructions, bumps, or debris
▪Overhead obstructions
▪Electrical conductors
▪Hazardous locations
▪Inadequate surface support to withstand all load
forces imposed by the MEWP (refer to
Section 7.6)
▪Wind and weather conditions
▪Presence of personnel
▪Other mobile equipment
▪Traffic hazards
▪Equipment that could move and collide with the
MEWP, such as overhead cranes
▪Other possible unsafe conditions.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
18
Notes

SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740 216380ACA
19
FAMILIARIZATION
Section 3 – Familiarization
WARNING
Do not operate this MEWP without correct training
and authorization. If you do not obey, there is a
risk of death or serious injury.
WARNING
MEWP Familiarization must be given to a qualified
operator. If you do not obey, there is a risk of death
or serious injury.
WARNING
It is the responsibility of the operator to fully
understand, and follow all instructions and
warnings contained in this operation manual and
on the MEWP. If you do not obey, there is a risk of
death or serious injury.
Read and fully understand the operation manual,
all the warnings, and the instruction labels (refer to
Section 8) on the MEWP.
Do these tasks before the operation:
1. Worksite inspection. Refer to Section 2.4.
2. Daily visual and maintenance inspections. Refer
to Section 4.2.
3. Function tests. Refer to Section 4.3.

216380ACA SJ3215, SJ3219, SJ3220, SJ3226, SJ4726, SJ4732, SJ4740
20
Section 3 – Familiarization Overview of the MEWP
FAMILIARIZATION
3.1 Overview of the MEWP
Manual storage box Platform control console
Dual height control
console (SJ3226 and SJ4740)
Platform
Maintenance
support
AC power socket
Battery tray
Battery charger
(SJ3220, SJ3226, SJ4726,
SJ4732, and SJ4740)
Battery
charger
(SJ3215 and
SJ3219)
Brake-release
system - disc
brakes
(SJ4740)
Freewheeling
Valve (SJ3220,
SJ3226, SJ4726,
SJ4732, SJ4740)
Base
control
console
Main power
disconnect
switch
Emergency-lowering switch
Hydraulic tray
Pothole protection device
Base
Lift mechanism
Extension platform
Fall-protection
anchorage
Folding-guardrail
system
Freewheeling
Valve
(SJ3215, and SJ3219)
Brake-release system
- pin brakes (SJ3215,
SJ3219, SJ3220, SJ3226,
SJ4726, SJ4732)