Snorkel S2545 User Manual
Operator’s
Manual
P/N 0410002
February,2001
Electrical Hazard
DANGER
The aerial platform is not electrically insulated. Death or serious injury can result
from contact with, or inadequate clearance from, an energized conductor.
Do not go closer than the minimum safe approach distance as defined by the
Minimum Safe Approach Distance section in Chapter 3–Safety.
Regard all conductors as energized.
Allow for electrical wire sag and aerial platform sway.
If the platform, scissors structure, or any part of the aerial platform contacts a high-voltage electrical
conductor, the entire machine can become electrically charged.
If that happens, remain on the machine and do not contact any other structure or object. This includes
the ground, adjacent buildings, poles, and any other objects that are not part of the aerial platform.
Such contact could make your body a conductor to the other object, creating an electrical shock hazard
resulting in death or serious injury.
If an aerial platform is in contact with an energized conductor the platform operator must warn ground
personnel in the vicinity to stay away. Their bodies can conduct electricity creating an electrical shock
hazard resulting in death or serious injury.
Do not approach or leave the aerial platform until the electricity has been turned off.
Do not attempt to operate the lower controls when the platform, scissors structure, or any part of the
aerial platform is in contact with a high-voltage electrical conductor or if there is an immediate danger
of such contact.
Personnel on or near an aerial platform must be continuously aware of electrical hazards, recognizing
that death or serious injury can result from contact with an energized conductor.
Battery posts, terminals and related accessories contain
lead and lead components, chemicals known to the State
of California to cause cancer and birth defects or other
reproductive harm. Wash hands after handling.
S2545 – 0410002
Table of Contents
Chapter 1. Introduction
Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Manual of Responsibilities. . . . . . . . . . . . . . . . 1-2
Additional Information . . . . . . . . . . . . . . . . . . . 1-2
Chapter 2. Specifications
Component Identification. . . . . . . . . . . . . . . . . 2-1
General Specifications. . . . . . . . . . . . . . . . . . . 2-2
Chapter 3. Safety
Electrocution Hazards . . . . . . . . . . . . . . . . . . . 3-1
Minimum Safe Approach Distance . . . . . . . 3-1
Prestart Inspection . . . . . . . . . . . . . . . . . . . . . 3-2
Work Place Inspection and Practices . . . . . . . 3-2
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Tip-Over and Falling Hazards . . . . . . . . . . . . . 3-3
Electrical System . . . . . . . . . . . . . . . . . . . . . . . 3-3
Hydraulic System. . . . . . . . . . . . . . . . . . . . . . . 3-3
Placards and Decals . . . . . . . . . . . . . . . . . . . . 3-3
Chapter 4. Safety Devices
Emergency Stop Controls . . . . . . . . . . . . . . . . 4-1
Drive Motion Alarm . . . . . . . . . . . . . . . . . . . . . 4-1
Lowering Alarm . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Pothole Protector Skids . . . . . . . . . . . . . . . . . . 4-2
Drive/Lift Pothole Protector Interlock. . . . . . . . 4-2
Drive/Lift Level Sensor Interlock . . . . . . . . . . . 4-2
Guardrails . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Emergency Lowering Handle . . . . . . . . . . . . . 4-2
Safety Prop . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Flashing Light . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Lanyard Anchors . . . . . . . . . . . . . . . . . . . . . . . 4-4
Horn. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Electrical Power Outlet . . . . . . . . . . . . . . . . . . 4-4
Chapter 5. Gauges
Hour Meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Ammeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Battery Condition Indicator . . . . . . . . . . . . . . . 5-1
Chapter 6. Batteries
General Maintenance . . . . . . . . . . . . . . . . . . . 6-1
Charging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Chapter 7. Controls
Lower Controls. . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Battery Disconnect Switch . . . . . . . . . . . . . 7-1
Emergency Stop Switch . . . . . . . . . . . . . . . 7-1
Control Selector Switch. . . . . . . . . . . . . . . . 7-1
Platform Raise/Lower Switch . . . . . . . . . . . 7-1
Circuit Breaker Reset Button. . . . . . . . . . . . 7-1
Low Voltage Warning Light . . . . . . . . . . . . . 7-1
Upper Controls . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Emergency Stop Button . . . . . . . . . . . . . . . 7-2
Drive/Lift Selector Switch . . . . . . . . . . . . . . 7-2
Joystick . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Interlock . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Steer Switch . . . . . . . . . . . . . . . . . . . . . . 7-2
Low Voltage Warning Light . . . . . . . . . . . . . 7-3
Horn Button . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
Battery Condition Indicator . . . . . . . . . . . . . 7-3
Chapter 8. Prestart Inspection
Operator’s Manual . . . . . . . . . . . . . . . . . . . . . . 8-2
Electrical System . . . . . . . . . . . . . . . . . . . . . . . 8-2
Battery Fluid Level . . . . . . . . . . . . . . . . . . . 8-2
Battery Terminals . . . . . . . . . . . . . . . . . . . . 8-2
Battery Charger. . . . . . . . . . . . . . . . . . . . . . 8-2
Cables and Wiring Harness . . . . . . . . . . . . 8-3
Hydraulic System. . . . . . . . . . . . . . . . . . . . . . . 8-3
Fluid Level. . . . . . . . . . . . . . . . . . . . . . . . . . 8-3
Hoses, Tubes, and Fittings . . . . . . . . . . . . . 8-3
Free-Wheeling Valve . . . . . . . . . . . . . . . . . . 8-4
Tires and Wheels. . . . . . . . . . . . . . . . . . . . . . . 8-4
Parking Brakes . . . . . . . . . . . . . . . . . . . . . . 8-4
Ground Strap . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4
Lower Control Station . . . . . . . . . . . . . . . . . . . 8-4
Operating Controls . . . . . . . . . . . . . . . . . . . 8-4
Emergency Stop . . . . . . . . . . . . . . . . . . . . . 8-5
Lowering Alarm . . . . . . . . . . . . . . . . . . . . . . 8-5
Pothole Protector Interlock . . . . . . . . . . . . . . . 8-5
Level Sensor Interlock . . . . . . . . . . . . . . . . . . . 8-6
Emergency Lowering. . . . . . . . . . . . . . . . . . . . 8-6
Safety Prop . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
Flashing Light . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Weldments . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Rollers and Slide Blocks . . . . . . . . . . . . . . . 8-7
Fasteners . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Upper Control Station . . . . . . . . . . . . . . . . . . . 8-8
Guardrail System . . . . . . . . . . . . . . . . . . . . 8-8
Platform Extension . . . . . . . . . . . . . . . . . . . 8-8
Swing-Down Rails . . . . . . . . . . . . . . . . . . . . 8-8
Operating Controls . . . . . . . . . . . . . . . . . . . 8-8
Emergency Stop . . . . . . . . . . . . . . . . . . . . . 8-9
Lowering Alarm . . . . . . . . . . . . . . . . . . . . . . 8-9
Drive Motion Alarm . . . . . . . . . . . . . . . . . . . 8-9
Battery Condition Indicator . . . . . . . . . . . . . 8-9
Lanyard Anchors . . . . . . . . . . . . . . . . . . . . . 8-9
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9
Electrical Power Outlet . . . . . . . . . . . . . . . . 8-9
Placards and Decals . . . . . . . . . . . . . . . . . . . 8-10
S2545 – 0410002
Table of Contents
Chapter 9. Operation
Preparing for Operation . . . . . . . . . . . . . . . . . . 9-1
Lower Controls. . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Upper Controls . . . . . . . . . . . . . . . . . . . . . . . . 9-1
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Drive Speeds . . . . . . . . . . . . . . . . . . . . . 9-2
Drive/Lift Level Sensor Interlock. . . . . . . 9-2
Steering. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
Platform. . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Raising and Lowering . . . . . . . . . . . . . . . 9-3
Extending . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Lift-Up Entry Gate. . . . . . . . . . . . . . . . . . 9-4
Swing-Down Rails. . . . . . . . . . . . . . . . . . 9-4
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5
Swing-Out Trays . . . . . . . . . . . . . . . . . . . . . . . 9-5
Electrical Power Outlet . . . . . . . . . . . . . . . . . . 9-6
Chapter 10. Stowing and Transporting
Stowing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Transporting. . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Winching . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Hoisting . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-2
Lifting With a Forklift . . . . . . . . . . . . . . . . . 10-2
Securing for Transport. . . . . . . . . . . . . . . . 10-3
Chapter 11. Emergency Operation
Emergency Lowering. . . . . . . . . . . . . . . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
Chapter 12. Troubleshooting
Troubleshooting Chart . . . . . . . . . . . . . . . . . . 12-1
Appendix A. Glossary
S2545 – 0410002
Chapter 1. Introduction
CAUTIO
The aerial platform is a self-propelled scissors lift
used to raise personnel, their tools, and material
to the workstation. The platform is raised and
lowered with a hydraulic cylinder. Hydraulic
motors on each of the front drive wheels provide
power to move the aerial platform.
The aerial platform has been manufactured to
conform to all applicable requirements of the
following organizations.
●
Occupational Safety and Health
Administration (OSHA)
●
American National Standards Institute (ANSI)
●
Canadian Standards Association (CSA)
This manual provides information for safe and
proper operation of the aerial platform. Read and
understand the information in this manual before
operating the aerial platform on the job.
Additional copies of this manual may be ordered
from Snorkel. Supply the model and manual part
number from the front cover to assure that the
correct manual will be supplied.
All information in this manual is based on the
latest product information at the time of
publication. Snorkel reserves the right to make
product changes at any time without obligation.
■
Safety Alerts
A safety alert symbol is used throughout this
manual to indicate danger and caution
instructions. Follow these instructions to reduce
the likelihood of personal injury and property
damage. The terms danger and caution indicate
varying degrees of personal injury or property
damage that can result if the instruction is not
followed.
DANGER
Indicates a situation which if not avoided can
result in death or serious injury.
N
Indicates a situation which if not avoided can
result in minor injury or property damage.
■
Notes
Notes are used to provide special information or
helpful hints to assist in aerial platform operation, but
do not indicate a hazardous situation.
■
Options
This manual provides information about the
following options even though some machines
may not be equipped with them.
●
Horn
●
Flashing light
●
Lanyard anchors
●
Swinging platform gate
●
Fixed platform rails
●
AC generator
●
Battery condition indicator
●
Electrical power outlet with ground fault circuit
interrupter
■
Operation
The aerial platform has built-in safety features
and has been factory tested for compliance with
Snorkel specifications and industry standards.
However, any personnel lifting aerial platform can
be potentially dangerous in the hands of
untrained or careless operators.
DANGER
The potential for an accident increases when
the aerial platform is operated by personnel
who are not trained and authorized. Death or
serious injury can result from such accidents.
Read and understand the information in this
manual and on the placards and decals on the
machine before operating the aerial platform
on the job.
Training is essential and must be performed by a
qualified person. Become proficient in knowledge
and actual operation before using the aerial
platform on the job. You must be trained and
authorized to perform any functions of the aerial
platform. Operation of the aerial platform must be
within the scope of the machine specifications.
The operator bears ultimate responsibility for
following all manufacturer's instructions and
warnings, regulations and safety rules of their
employer and/or any state or federal law.
S2545 – 0410002 page 1 - 1
Chapter 1. Introduction
■
Maintenance
Every person who maintains, inspects, tests, or
repairs the aerial platform must be qualified and
authorized to do so. Following the daily prestart
inspection in this Operator’s Manual will help
keep the aerial platform in optimum working
condition. Other maintenance functions must be
performed by maintenance personnel who are
qualified to work on the aerial platform.
Do not modify this aerial platform without prior
written consent of the Snorkel Engineering
Department. Modification may void the warranty,
adversely affect stability, or affect the operational
characteristics of the aerial platform.
■
Manual of Responsibilities
All owners and users of the aerial platform must
read, understand, and comply with all applicable
regulations. Ultimate compliance to OSHA
regulations is the responsibility of the user and
their employer.
ANSI publications clearly identify the
responsibilities of all personnel who may be
involved with the aerial platform. A reprint of the
“Manual of Responsibilities for Dealers, Owners,
Users, Operators, Lessors and Lessees of
ANSI/SIA A92.6-1990 Self-Propelled Elevating
Work Platforms” is available from Snorkel dealers
or from the factory upon request.
Copies are also available from:
Scaffold Industry Association
20335 Ventura Blvd. Suite 310
Woodland Hills, CA 91364-2471 USA
■
Additional Information
For additional information contact your local
dealer or Snorkel at:
Snorkel International, Inc.
P.O. Box 1160
St. Joseph, MO 64502-1160 USA
816-364-0317
http://www.snorkelusa.com
page 1 - 2 S2545 – 0410002
■
3
Component Identification
Guardrails
Platform
Scissors
Structure
Chassis
90 in
228.6 cm
Chapter 2. Specifications
Platform Extension
Upper Controls
Toeboards
78.5 in - 199.4 cm
Rails Lowered
36 in
91.4 cm
89 in - 226.1 cm
Rails Raised or
Fixed Rails
Rear
Pothole
Protector Skid
78 in
198.1 cm
95 in
241.3 cm
Hydraulic Tray (Right Side)
Battery Tray (Left Side)
44 in
111.8 cm
Front (Steer)
4 in - 10.2 cm Platform Lowered
1.25 in - 3.2 cm Platform Raised
Lower Controls
Operator’s
Manual Holder
45 in
cm
114.
S2545 – 0410002 page 2 - 1
Chapter 2. Specifications
■
General Specifications
Maximum platform height . . . . . . . . . . . 25′ (7.6 m)
Working height . . . . . . . . . . . . . . . . . . . 31′ (9.4 m)
Platform size
Main . . . . . . . . . 44″ x90″ (111.8 cm x 228.6 cm)
Extension . . . . . . 36″ x40″ (91.4 cm x 101.6 cm)
Guardrail height
Platform. . . . . . . . . . . . . . . . . . . 44.3″ (112.5 cm)
Platform extension . . . . . . . . . . . . 43.3″ (110 cm)
Toeboard height . . . . . . . . . . . . . . . . . 6″ (15.2 cm)
Wheelbase . . . . . . . . . . . . . . . . . . . 78″ (198.1 cm)
Platform rated work load
Total . . . . . . . . . . . . . . . . . . . . . 850 lb (385.6 kg)
Platform extension. . . . . . . . . . . 250 lb (113.4 kg)
Weight (GVW approx.) . . . . . . 4,700 lb (2,131.9 kg)
Drive
Speed #1, elevated . . . . . . . . . 0.4 mph (0.6 kph)
Speed #2, stowed . . . . . . . . . . 1.1 mph (1.8 kph)
Speed #3, stowed . . . . . . . . . . 2.0 mph (3.2 kph)
Gradeability. . . . . . . . . . . . . . . . . . . . . . . . . . . 25%
Platform function speed
Platform raise
Speed #1 . . . . . . . . . . . . . . . . . . . . . . . 105 sec
Speed #2 . . . . . . . . . . . . . . . . . . . . . . . . 45 sec
Speed #3 . . . . . . . . . . . . . . . . . . . . . . . . 25 sec
Platform lower . . . . . . . . . . . . . . . . . . . . . 45 sec
Turning radius
Inside . . . . . . . . . . . . . . . . . . . . . . . 30″ (76.2 cm)
Outside . . . . . . . . . . . . . . . . . . . 115″ (292.1 cm)
Overall length . . . . . . . . . . . . . . . . . 95″ (241.3 cm)
Overall width . . . . . . . . . . . . . . . . . . 45″ (114.3 cm)
Ground clearance
Pothole protector lowered . . . . . . . 1.25″ (3.2 cm)
Pothole protector raised . . . . . . . . . . 4″ (10.2 cm)
Tires
Solid rubber, non-marking . . . . . . . . . . . . 16″ x5″
. . . . . . . . . . . . . . . . . . . . . (40.6 cm x 12.7 cm)
Electrical system. . . . . . . . . . . . . . . . . . . . 24 V DC
Hydraulic system
Maximum pressure. . . . . . 2,750 psi (18,961 kPa)
Hydraulic fluid recommended
Above 10°F (-13°C) . . . . . . . . . Mobil DTE-13M
. . . . . . . . . . . . . . . . . . . . . . . . . . (ISO VG32)
Below 10°F (-13°C) . . . . . . . . . Mobil DTE-11M
. . . . . . . . . . . . . . . . . . . . . . . . . . (ISO VG15)
Reservoir capacity
Total . . . . . . . . . . . . . . . . . 6.5 gal USA (24.6 L)
To full mark . . . . . . . . . . . . . 6 gal USA (22.7 L)
Ambient air temperature operating range
Fahrenheit . . . . . . . . . . . . . . . . . . . . 0°F to 110°F
Celsius . . . . . . . . . . . . . . . . . . . . . -18°C to 43°C
Drive system . . . . . . . . . . . . . . . . . . . 2 wheel drive
Overall height, stowed
Platform rails lowered . . . . . . . . 78.5″ (199.4 cm)
Platform rails raised . . . . . . . . . . . 89″ (226.1 cm)
Fixed platform rails . . . . . . . . . . . . 89″ (226.1 cm)
Floor loading pressure
Local concentrated pressure . . . . . . . . . . 213 psi
Overall uniform pressure . . . . . . . . . . . . . 187 psf
page 2 - 2 S2545 – 0410002
Chapter 3. Safety
Knowledge of the information in this manual, and
proper training, provide a basis for safely
operating the aerial platform. Know the location of
all controls and how they operate to act quickly
and responsibly in an emergency.
Safety devices reduce the likelihood of an
accident. Never disable, modify, or ignore any
safety device. Safety alerts in this manual
indicate situations where accidents may occur.
If any malfunction, hazard or potentially unsafe
condition relating to capacity, intended use, or
safe operation is suspected, stop aerial platform
operation and seek assistance.
The operator bears ultimate responsibility for
following all manufacturer’s instructions and
warnings, regulations and safety rules of their
employer and/or any state or federal law.
■
Electrocution Hazards
The aerial platform is made of metal components
and is not insulated. Regard all conductors as
energized. Do not operate outside during a
thunderstorm.
Minimum Safe Approach Distance
❑
Minimum safe approach distances to energized
power lines and their associated parts must be
observed while operating the aerial platform.
DANGER
The aerial platform is not electrically
insulated. Death or serious injury can result
from contact with, or inadequate clearance
from, an energized conductor. Do not go
closer than the minimum safe approach
distance as defined by ANSI.
ANSI publications define minimum distances that
must be observed when working near bus bars
and energized power lines. Table 1 and Figure 3
are reprinted courtesy of Scaffold Industry
Association, ANSI/SIA A92.6, page 26.
Voltage range
(phase to phase)
0 to 300V
Over 300V to 50kV
Over 50kV to 200kV
Over 200kV to 350kV
Over 350kV to 500kV
Over 500kV to 750kV
Over 750kV to 1000kV
Table 1—Minimum Safe Approach Distance
Minimum safe approach distance
(Feet) (Meters)
Avoid contact
10
15
20
25
35
45
3.05
4.60
6.10
7.62
10.67
13.72
Denotes
prohibited
zone
Figure 3—Minimum Safe Approach Distance
S2545 – 0410002 page 3 - 1
Chapter 3. Safety
■
Prestart Inspection
Perform a prestart inspection before each shift as
described in Chapter 8. Do not use the aerial
platform on the job unless you are trained and
authorized to do so.
■
Work Place Inspection and Practices
Do not use the aerial platform as a ground
connection when welding. The welding ground
clamp must be attached to the same structure
that is being welded. Electrical current flow can
be very intense, causing serious internal damage
to some components.
Inspect the area before and during aerial platform
use. The following are some potential hazards
that may be in the work place.
●
Debris
●
Slopes
●
Drop-offs or holes
●
Bumps and floor obstructions
●
Overhead obstructions
●
Unauthorized persons
●
High voltage conductors
●
Wind and weather conditions
●
Inadequate surface and support to withstand
load forces applied by the aerial platform in
all operating configurations
DANGER
Pinch points may exist between moving
components. Death or serious injury can
result from becoming trapped between
components, buildings, structures, or other
obstacles. Make sure there is sufficient
clearance around the machine before moving
the chassis or platform. Allow sufficient room
and time to stop movement to avoid contact
with structures or other hazards.
Always look in the direction of movement. Drive
with care and at speeds compatible with the work
place conditions. Use caution when driving over
rough ground, on slopes, and when turning. Do
not engage in any form of horseplay or permit
riders any place other than in the platform.
Secure all accessories, containers, tools, and
other materials in the platform to prevent them
from accidentally falling or being kicked off the
platform. Remove all objects that do not belong in
or on the aerial platform.
Never steady the platform by positioning it
against another platform. Do not use boards, or
other temporary means to support or level the
aerial platform.
Do not operate the aerial platform if it is damaged
or not functioning properly. Qualified maintenance
personnel must correct the problem before
putting the aerial platform back into service.
Before using the aerial platform in any hazardous
(classified) location, make certain it is approved
and of the type required by ANSI/NFPA 505 for
use in that particular location.
Know and understand the job site traffic-flow
patterns and obey the flagmen, road signs, and
signals.
While operating the aerial platform, a good safety
practice is to have qualified personnel in the
immediate area to:
●
Help in case of an emergency
●
Operate emergency controls as required
●
Watch for loss of control by platform operator
●
Warn the operator of any obstructions or
hazards that may not be obvious to them
●
Watch for soft terrain, sloping surfaces,
drop-offs, etc. where stability could be
jeopardized
●
Watch for bystanders and never allow anyone
to be under, or to reach through, the scissors
structure while operating the aerial platform
■
Operation
Use three points of support when entering or
exiting the platform. For example, use two hands
and one foot when climbing into the platform.
Make sure the area below the platform is free of
personnel before lowering.
Keep both feet positioned firmly on the platform
floor. Operate the controls slowly and deliberately
to avoid jerky and erratic operation. Always stop
the controls in neutral before going in the
opposite direction.
Do not dismount while the aerial platform is in
motion or jump off the platform.
Properly stow the aerial platform and secure it
against unauthorized operation at the end of
each work day, before transporting, or if it is left
unattended.
page 3 - 2 S2545 – 0410002
■
Tip-Over and Falling Hazards
Operate the aerial platform only on a firm, flat,
level surface capable of withstanding all load
forces imposed by the aerial platform in all
operating conditions. Raise the platform only
when the aerial platform is on level ground.
Do not operate the machine within 4′ (1.2 m) of
any drop-off or hole.
It is best not to transfer from the platform to
another structure or vice versa, unless that is the
safest way to do the job. Judge each situation
separately taking the work environment into
account. If it is necessary to transfer from the
platform to another structure use the platform
entrance. Do not climb over the guardrails.
Do not operate the aerial platform in windy or
gusty conditions. Do not add anything to the
aerial platform that will increase the wind loading
such as billboards, banners, flags, etc.
Chapter 3. Safety
DANGER
Batteries give off hydrogen and oxygen that
can combine explosively. Death or serious
injury can result from a chemical explosion.
Do not smoke or permit open flames or
sparks when checking the batteries.
Battery acid can damage the skin and eyes.
Serious infection or reaction can result if
medical treatment is not given immediately.
Wear face and eye protection when working
near the batteries.
Batteries contain sulfuric acid that can damage
your eyes or skin on contact. Wear a face shield,
rubber gloves, and protective clothing when
working around batteries. If acid contacts your
eyes, flush immediately with clear water and get
medical attention. If acid contacts your skin, wash
off immediately with clear water.
Never operate the aerial platform without all parts
of the guardrail system in place and the safety
chain or gate closed.
Do not exceed the platform capacity as indicated
on the platform rating placard on the platform.
Carry all loads from inside the platform.
Do not operate the aerial platform from trucks,
trailers, railway cars, floating vessels, scaffolds,
or similar equipment unless the application is
approved in writing by Snorkel.
Do not use the aerial platform as a crane, hoist,
jack, or for any purpose other than to position
personnel, tools, and materials.
Do not climb on the guardrails or use ladders,
planks, or other devices to extend or increase the
work position from the platform.
Take care to prevent rope, electrical cords, and
hoses, etc., from becoming caught in or on the
aerial platform. If the platform or scissors
structure becomes caught on an adjacent
structure or other obstacle and is prevented from
normal motion, reverse the control to free the
platform. If control reversal does not free the
platform, evacuate the platform before attempting
to free it.
■
Electrical System
Charge batteries in a well-ventilated area free of
flame, sparks, or other hazards that might cause
fire or explosion.
■
Hydraulic System
The hydraulic system contains hoses with
hydraulic fluid under pressure.
DANGER
Hydraulic fluid escaping under pressure can
have enough force to inject fluid into the
flesh. Serious infection or reaction can result
if medical treatment is not given immediately.
In case of injury by escaping hydraulic fluid,
seek medical attention at once.
Do not place your hand or any part of your body
in front of escaping hydraulic fluid. Use a piece of
cardboard or wood to search for hydraulic leaks.
■
Placards and Decals
The aerial platform is equipped with placards and
decals that provide instruction for operation and
accident prevention. Do not operate the aerial
platform if any placards or decals are missing or
not legible. The location, part numbers and
descriptions of all placards and decals are
illustrated in Chapter 8 under Placards and
Decals.
The placards and decals may be cleaned with
soap and water, and a soft cloth if the words or
pictures cannot be seen. Do not use solvents.
The safety related placards and decals are
illustrated on the following pages.
S2545 – 0410002 page 3 - 3
Chapter 3. Safety
Top of Chassis
2nd Inner Arm Top
Right Side
Front
page 3 - 4 S2545 – 0410002
Chapter 3. Safety
Top of Control Panel
in HydraulicTray
(Both Sides)
Left Side
(EE Machines Only)
S2545 – 0410002 page 3 - 5
Chapter 3. Safety
Swing-Down Platform Rails
Rear of Chassis
page 3 - 6 S2545 – 0410002
This aerial platform is manufactured with safety
devices, placards, and decals to reduce the
likelihood of an accident. For the safety of all
personnel, do not disable, modify, or ignore any
safety device. Safety devices are included in the
daily prestart inspection.
DANGER
The potential for an accident increases when
safety devices do not function properly. Death
or serious injury can result from such
accidents. Do not alter, disable, or override
any safety device.
Chapter 4. Safety Devices
Horn
Button
Emergency
Stop Button
If any safety devices are defective, remove the
aerial platform from service until qualified
maintenance personnel can make repairs.
■
Emergency Stop Controls
There is an emergency stop control at the lower
and upper control station.
At the lower controls, the emergency stop is a
two-position toggle switch (refer to Figure 4.1)
with a red safety guard. Push the red safety
guard down over the toggle switch to disconnect
power to all control circuits. Lift the guard and
push the toggle switch up to restore power.
Circuit Breaker
Reset Button
Platform
Raise/Lower
Switch
Control Selector
Switch
Low Voltage
Warning Light
Battery
Disconnect
Switch
Emergency
Stop Switch
Figure 4.1—Lower Control Station
Figure 4.2—Upper Control Station
Push the emergency stop button in to disengage
power to all control circuits. Pull the button out to
restore power.
■
Drive Motion Alarm
When the joystick is positioned to move the aerial
platform forward or in reverse, the drive motion
alarm emits a loud beeping sound. This alarm
warns personnel in the work area to stand clear.
■
Lowering Alarm
When the platform is being lowered, an alarm
sounds to warn personnel in the work area to
stand clear.
DANGER
Pinch points exist on the scissors structure.
Death or serious injury can result if the
scissors structure lowers onto personnel
within the scissors arms or under the raised
platform. Make sure all personnel stand clear
while raising and lowering the platform.
Be careful when lowering the platform. Keep
hands and fingers away from the scissors
structure components.
NOTE
The lower controls override the upper controls. If
the upper control emergency stop button is
engaged the lower controls can still be used to
operate the aerial platform.
At the upper controls, the emergency stop is a
two-position push button (refer to Figure 4.2).
S2545 – 0410002 page 4 - 1
Chapter 4. Safety Devices
■
Pothole Protector Skids
The pothole protector skids automatically lower
when the platform is elevated approximately 24″.
Ground clearance is reduced from 4″ to about
1
″ when the skids lock into position (refer to
1
4
Figure 4.3).
Pothole Protector Skid
Figure 4.3—Pothole Protector Skids
DANGER
The aerial platform can tip over if it becomes
unstable. Death or serious injury can result
from a tip-over accident. Do not drive or
position the aerial platform for elevated use
within four feet of any drop-off, hole, or other
tip-over hazard.
This protection system limits the tilt angle if a
wheel is driven into a drop-off or hole. This
greatly reduces the likelihood of the aerial
platform tipping over.
The pothole protection system is for added
protection and does not justify operating near
drop-offs or holes.
■
Drive/Lift Pothole Protector Interlock
The aerial platform drive and lift functions are
interlocked through a limit switch that senses
whether or not the pothole protection linkage is
locked into position. The drive/lift pothole interlock
operates when the platform is elevated
approximately seven feet.
If an obstruction under the skids, or some other
impairment prevents the skids from locking into
position, the drive and lift functions will not
operate and an alarm will sound.
■
Drive/Lift Level Sensor Interlock
The aerial platform drive and lift functions are
interlocked through a level sensor system. The
drive/lift level sensor interlock operates when the
platform is elevated approximately seven feet.
If the aerial platform chassis is tilted more than
two degrees side-to-side or four degrees
front-to-rear, the drive and lift functions will not
operate and an alarm will sound.
Lower the platform and drive to a level surface
when the drive/lift level sensor alarm sounds.
The drive/lift level sensor system is for added
protection and does not justify operating on
anything other than firm, flat, level surfaces.
■
Guardrails
The guardrail system includes a top rail, mid rail,
and toeboards around the sides of the platform
(refer to Figure 4.4).
Top Rail
Mid Rail
Toeboard
Entry Chain
Figure 4.4—Guardrails
A safety chain or an optional swinging gate
allows for access to the platform. The swinging
gate closes automatically after entering or exiting
the platform. The chain or gate is part of the
guardrail system and must be securely fastened
after entering the platform.
■
Emergency Lowering Handle
The emergency lowering handle may be used to
manually lower the platform if there is a
malfunction in the hydraulic or electrical system.
The handle (refer to Figure 4.5) is mounted at the
front of the aerial platform.
Lower the platform and remove the obstruction
when the drive/lift pothole protector interlock
alarm sounds.
page 4 - 2 S2545 – 0410002
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