Safety Information - Snap-on
Safety Information
For your safety, read this manual thoroughly before
operating your scan tool.
Your scan tool is intended for use by properly trained, skilled
professional automotive technicians. The safety messages
presented below and throughout this user’s manual are
reminders to the operator to exercise extreme care when
using this test instrument.
There are many variations in procedures, techniques, tools,
and parts for servicing vehicles, as well as in the skill of the
individual doing the work. Because of the vast number of test
applications and variations in the products that can be tested
with this instrument, we cannot possibly anticipate or provide
advice or safety messages to cover every situation. It is the
automotive technician’s responsibility to be knowledgeable
of the system being tested. It is essential to use proper
service methods and test procedures and to perform tests in
an appropriate and acceptable manner that does not
endanger your safety, the safety of others in the work area,
or vehicle or equipment being tested.
It is assumed the operator has a thorough understanding of
vehicle systems before using the scan tool. Understanding
of these system principles and operating theories is
necessary for competent, safe and accurate use of this
instrument.
Before using the scan tool, always refer to and follow safety
messages and applicable test procedures provided by the
manufacturer of the vehicle or equipment being tested. Use
equipment only as described in this manual.
Read, understand and follow all safety messages and
instructions in this manual and on the test equipment. Safety
messages in this section of the manual contain a signal word
with a three-part message and an icon. The signal word
indicates the level of the hazard in a situation.
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Safety Information
Safety Message Conventions
Safety messages are provided to help prevent personnel
injury and equipment damage. All safety messages are
introduced by a signal word indicating the hazard level. The
types of safety messages are:
Indicates an imminently hazardous situation which, if
not avoided, will result in death or serious injury to the
operator or to bystanders.
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury to the
operator or to bystanders.
Indicates a potentially hazardous situation which, if not
avoided, may result in moderate or minor injury to the
operator or to bystanders.
Safety messages contain three different type styles.
• Normal type states the hazard.
• Bold type states how to avoid the hazard.
• Italic type states the possible consequences of not
avoiding the hazard.
An icon, when present, gives a graphical description of the
potential hazard.
Important Safety Instructions
Risk of personal injury.
• Keep yourself, test leads, clothing and other objects
clear of electrical connections and hot or moving
engine parts.
• Do not wear watches, rings, or loose clothing when
working in an engine compartment.
• Do not place equipment or tools on fenders or other
places in the engine compartment.
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Important Safety Instructions
•
Barriers are recommended to help identify danger
zones in test area.
Contact with electrical connections and hot or moving parts
can cause injury.
Risk of entanglement.
• Do not allow cable to hang in a manner to become
entangled with operator or driving controls.
Cable entanglement can cause interference with driving and
can cause injury.
Risk of electric shock.
• Do not attempt to disassemble any battery or
remove any component projecting from or
protecting the battery terminals.
• Remove the Ground lead from the vehicle battery
before removing or disassembling any vehicle
electrical component.
• Disconnect all test leads and turn unit off before
removing end grips.
• Do not attempt to operate this system without
properly installing the end grip.
Electric shock can cause injury.
Risk of poisoning.
• Use this equipment in locations with mechanical
ventilation providing at least four air changes per
hour. Engine exhaust contains odorless lethal gas.
• Route exhaust outside while testing with engine
running.
Poisoning can result in death or serious injury.
Risk of accident.
• Two people should be in the vehicle when driving on
road, one to drive and the other to attend to the
equipment.
Accidents can occur when attention is not solely given to
driving.
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Safety Information
Risk of explosion.
• Wear safety goggles and protective clothing, (user
and bystander).
• Use this equipment in locations with ventilation
providing at least four air changes per hour.
• Flammable fuel and vapors can ignite.
• Do not use this system in environments where
explosive vapor may collect, such as in
below-ground pits, confined areas, or areas that are
less than 18 inches (45 cm) above the floor.
• Do not smoke, strike a match, place metal tools or
objects on the vehicle battery or cause a spark in
the vicinity of the battery. Battery gases can ignite.
• Avoid making an accidental connection between
vehicle battery terminals through tools, jumper
leads, etc.
• Keep lighted cigarettes, sparks, open flames and
other ignition sources away from batteries.
• Be sure ignition is off, headlights and other
accessories are OFF and vehicle doors are closed
before disconnecting vehicle battery cables. This
also helps prevent damage to onboard computer
systems.
• Always disconnect battery ground connections
before servicing electrical system components.
• Do not expose tester to rain, snow or wet
conditions.
• Do not allow battery gases or acid to contact tester
housing.
• Be sure all test leads are connected as instructed
before proceeding with a test.
• Keep a dry chemical fire extinguisher (Class B) rated
for gasoline, chemical and electrical fires in the
work area.
Explosion can cause death or serious injury.
vi
Important Safety Instructions
Risk of expelling battery acid.
• Wear safety goggles and protective gloves, user and
bystander. Everyday eyeglasses only have impact
resistant lenses, they are NOT safety glasses.
• Make sure someone can hear you or is close
enough to provide aid when working near a battery.
• Have plenty of fresh water and soap nearby. If
battery acid contacts skin, clothing, or eyes, flush
exposed area with soap and water for 10 minutes.
• Seek medical help.
• Do not touch eyes while working near battery.
Battery acid is a highly corrosive sulfuric acid, can burn eyes
and skin.
Risk of short circuits and burns.
• Batteries can produce a short-circuit current high
enough to weld jewelry to metal. Remove jewelry
such as rings, bracelets and watches before
working near batteries.
Short circuits and burns can cause injury.
Risk of fire.
• Wear safety goggles and protective clothing, user
and bystander.
• Do not position head directly over or in front of
carburetor or throttle body. Do not pour gasoline
down carburetor or throttle body when cranking or
running engine, when working with fuel delivery
systems or any open fuel line. Engine backfire can
occur when air cleaner is out of normal position.
• Do not use carburetor sprays or fuel injector
cleaning solvents when performing diagnostic tests.
• Keep cigarettes, sparks, open flame and other
sources of ignition away from vehicle.
• Keep a dry chemical (Class B) fire extinguisher rated
for gasoline, chemical and electrical fires in work
area.
Fire can cause death or serious injury.
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Safety Information
Risk of flying particles.
• Wear safety goggles while using electrical
equipment. Electrical equipment or rotating engine
parts can cause flying particles.
Flying particles can cause eye injury.
Risk of burns.
• Do not remove radiator cap unless engine is cold.
Pressurized engine coolant may be hot.
• Do not touch hot exhaust systems, manifolds,
engines, radiators, sample probe, etc.
• Wear gloves when handling hot engine components.
• Do not place test equipment or tools on fenders or
other places in the engine compartment. Engine
compartment contains electrical connections.
• Keep yourself, test equipment, clothing and other
objects clear of electrical connections.
• Tester leads can become hot after extended testing
in close proximity to manifolds etc. Wear gloves
when handling hot components.
• Do not allow test leads to touch exhaust manifolds
or other hot parts.
Hot components can cause injury.
Risk of expelling fuel, oil vapors, hot steam, hot toxic gases,
acid, refrigerant and other debris.
• Wear safety goggles and protective clothing, user
and bystander. Everyday eyeglasses only have
impact resistant lenses, they are NOT safety
glasses.
• Engine systems can malfunction expelling fuel, oil
vapors, hot steam, hot toxic exhaust gases, acid,
refrigerant and other debris.
Fuel, oil vapors, hot steam, hot toxic gases, acid, refrigerant
and other debris can cause serious injury.
Risk of unexpected vehicle movement.
• Block drive wheels before performing a test with
engine running.
viii
Important Safety Instructions
•
Unless instructed otherwise, set parking brake and
put gear selector in neutral or park.
• If vehicle has an automatic parking brake release,
disconnect release mechanism for testing and
reconnect when finished.
• Do not leave a running engine unattended.
A moving vehicle can cause injury.
Risk of incorrect or improper repair and/or adjustment.
• Do not rely on erratic, questionable, or obviously
erroneous test information or results. If test
information or results are erratic, questionable, or
obviously erroneous, make sure that all connections
and data entry information are correct and that the
procedure was performed correctly.
• If test information or results are still suspicious, do
not use them for diagnosis. Contact Snap-on®
customer services.
Improper repair and/or adjustment may cause vehicle or
equipment damage or unsafe operation.
Risk of equipment or circuit damage.
• Unless specifically directed by the test procedure,
make sure the ignition is off before connecting or
disconnecting connectors or any vehicle electrical
terminals.
• Do not create an electrical connection between
battery terminals with a jumper wire or tools.
• Do not ground any electrical terminal that has or
may have power.
Improper equipment use can cause equipment or circuit
damage.
Save These Instructions
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Safety Information
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