Important Safety Instructions
Contents
1. Debris dirt and fluids may drop from vehicles Knock off any loose debris Clean surfaces as needed to avoid the potential of falling debris dirt and fluids Wear approved safety glasses when servicing vehicles Debris dirt and fluids can cause serious eye injury Risk of flying particles Wear safety goggles while using compressed air Compressed air can cause 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 98 Risk of expelling fuel oil vapors hot steam hot toxic gases acid refrigerant and other debris Always 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 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 expo2. Disconnect test leads from any circuit being tested before changing functions Always disconnect the live test lead before disconnecting the common test lead e Donotcreate an electrical connection between battery terminals with a jump wire or tools Do not ground any electrical terminal that has or may have power Always unplug equipment from an electrical outlet when not in use e Never use the cord to pull a plug from an outlet Grasp the plug and pull it to disconnect If an extension cord is necessary a cord with a current rating equal to more than that of the equipment should be used Cords rated for less current than the equipment may overheat Loop cord or cables loosely around equipment when storing e Use tools only as described in the tool user s manual e Use only the manufacturer s recommended attachments Improper equipment use can cause equipment or circuit damage 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 check to 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 Care Improper repair and or adjustment may cause vehicle or equipment damage or un
3. assumed that the operator has a thorough understanding of vehicle systems before using this product Understanding of these system principles and operating theories is necessary for competent safe and accurate use of this instrument Before using the equipment always refer to and follow the safety messages and applicable test procedures provided by the manufacturer of the vehicle or equipment being tested Read understand and follow all safety messages and instructions in this manual accompanying the specific tool and on the test equipment Environmental Conditions e This product is intended for indoor use only e This product is rated for Pollution Degree 2 normal conditions Safety Message Conventions Safety messages contain a signal word that indicates the level of the hazard An icon when present gives a graphical description of the hazard Signal words 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 Important Safety Instructions General Safety Instructions Safety messages contain three different type styles e Normal type states the hazard e Bol
4. equipment 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 REE Safety Instructions General Safety Instructions A raa 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 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 Prior to recycling protect exposed terminals with heavy insulating tape to prevent shorting Use extreme caution when working with circuits that have greater than 40 volts DC or 24 volts AC Do not use electrical equipment on wet surfaces or exposed to rain Always wear properly rated rubber insulated gloves when required or appropriate particularly when working with voltages exceeding 40 volts DC or 24 volts AC Do not operate equipment with damaged cords damaged cables or equipment has been dropped or damaged until it has been examined by a qualified service person Electric shock can cause injury Risk of burns Care must be taken as burns can occur from touching hot parts Wear gloves when ha
5. Important Safety Instructions SAVE THESE INSTRUCTIONS EAZ0042B04C Rev C 2011 Snap on Incorporated All rights reserved Important Safety Instructions For your own safety and the safety of others and to prevent damage to the equipment and vehicles upon which it is used it is important that this manual be read and understood by all persons operating or coming into contact with the equipment We suggest you store a copy the book near the unit in sight of the operator This product is intended for use by properly trained and skilled professional automotive technicians The safety messages presented throughout this 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 responsibility of the automotive technician to be knowledgeable of the system being tested It is essential to use proper service methods and test procedures It is important to perform tests in an appropriate and acceptable manner that does not endanger your safety the safety of others in the work area the equipment being used or the vehicle being tested It is
6. any other probe to a damaged or un insulated conductors Always wear properly rated rubber insulated gloves when required or appropriate particularly when working with voltages exceeding 40 volts DC or 24 volts AC Use only appropriate Category Ill or IV Snap on components such as test leads scope leads and auxiliary components with meter and scope products Do not use aftermarket equivalents or alternate leads of unknown origin Use only Snap on suggested components that are in good working order Do not use components that show extreme wear or are visibly damaged Make sure the components are properly rated for the task Always examine the instrument for signs of damage before use Do not use devices that show cracks or other defects that may allow for high voltage exposure Electrical shock can cause personal injury equipment damage or circuit damage All Wireless Communication Devices To comply with Federal Communications Commission FCC radio frequency RF exposure requirements a separation distance of 20 cm 7 87 inches or more must be maintained between the antennas and all persons SAVE THESE INSTRUCTIONS 10
7. d type states how to avoid the hazard e Italic type states the possible consequences of not avoiding the hazard An icon when present gives a graphical description of the potential hazard Example zi Risk of unexpected vehicle movement Block drive wheels before performing a test with engine running A moving vehicle can cause injury SAVE THESE INSTRUCTIONS For your safety read all instructions Use your diagnostic tools only as described in the tool user s manual Use only manufacturer recommended parts and accessories with your diagnostic tools General Safety Instructions i Risk of unexpected vehicle movement Block drive wheels with chocks before performing engine running tests Unless instructed otherwise set parking brake and put gear selector in neutral or park e Firmly set the parking brake If the vehicle has an automatic parking brake release disconnect the release mechanism for testing and reconnect when finished Do not allow bystanders to stand in front of or behind the vehicle while testing Do not leave a running engine unattended A moving vehicle can cause death or serious injury Risk of accident Two people should be in the vehicle when driving on the road one to drive and the other to attend to the equipment Ifin a moving vehicle make sure the tester and leads do not interfere with the driver Accidents can occur when attention is not solely given to driving R
8. d upon the electrical signals they are designed to measure It is extremely important that the scope or meter selected to perform a test is designed to meet that specific task Categories are briefly explained below Category I use for testing electronic equipment and equipment connected to source circuits in which measures are taken to limit transient overvoltages to an appropriate low level Most 12V automotive systems fit this category Category Il use for testing single phase loads connected to a receptacle such as appliances portable tools and similar items Also use to test household outlets and long branch service that is 30 feet 10 meters from a Category III source or 60 feet 20 meters from a Category IIl source Category IIl use for testing three phase distribution including single phase commercial lighting Some automotive hybrid systems and batteries fit this category Category IV use for testing three phase at the utility connection and any outdoor conductors Some automotive hybrid systems and batteries fit this category Scopes and Meters All Categories Risk of explosion Do not use scopes and or meters 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 allow battery gases or acid to contact tester housing Be sure all test leads are connected as instructed before proceeding with a test Remove
9. e caution when working with circuits that have greater than 40 volts AC or 24 volts DC Do not apply more than 75 volts DC or 50 volts AC between inputs as indicated on the rating label on the diagnostic tool unit The serial port is electrically isolated from other inputs however do not allow a voltage differential greater than 75 volts DC or 50 volts AC to develop between the serial port and any other input Do not attempt to connect your scopes and or meters to a PC USB port while measuring signals with the test leads Do not connect Inductive RPM Pickup Secondary Ignition Clip on Wire Adapter or any other probe to damaged or un insulated conductors Do not use scope or multimeter on Hybrid electric vehicle high voltage systems batteries or circuits Electric shock can cause injury Risk of equipment or circuit damage Do not use scopes or meters to perform tests on household or industrial sources Improper use can cause equipment or circuit damage Important Safety Instructions All Wireless Communication Devices Scopes and Meters Categories Ill and IV A oO Risk of electrical shock This product is intended for Measurement Category Ill 1000V and IV 600V Do not exceed voltage limits between inputs as indicated on the rating label Use extreme caution when working with circuits that have greater than 40 volts DC or 24 volts AC Do not connect Inductive RPM Pickup Secondary Ignition Clip on Wire Adapter or
10. isk of personal injury e 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 Barriers are recommended to help identify danger zones in the test area Contact with electrical connections and hot or moving parts can cause injury Important Safety Instructions General Safety Instructions yx Risk of explosion Wear safety goggles and protective clothing user and bystander Use equipment and tools 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 above the floor Locate this equipment at least 18 inches or more 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 and other items Keep lighted cigarettes sparks open flames and other ignition sources away from batteries Be sure ignition headlights and other accessories are off and that vehicle doors a
11. le parts inside Refer to qualified service personal Electric shock can cause injury gt Risk of injury e Use care when testing or controlling actuators and other vehicle components Be sure activating does not create an unsafe condition User control of actuator and or functional tests could create unsafe condition of unexpected vehicle movement Block drive wheels with chocks before performing an engine running test Unless instructed otherwise set parking brake and put gear selector in neutral or park Firmly set the parking brake Do not allow bystanders to stand in front of or behind the vehicle while testing Do not leave a running engine unattended A moving vehicle can cause death or serious injury A he Important Safety Instructions Scan Tools Scan Tools Risk of explosion 7 7 Some tools contain an internal 250V 8A Fuse F6 that is factory replaceable only incorrect replacement may cause an explosion Do not use scan tools in environments where explosive vapor may collect such as in below ground pits confined areas or less than 18 inches 45 cm above the floor 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 Explosion can cause death or serious injury Scopes and Meters All scopes and meters fit into one of four Categories base
12. ndling hot engine components 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 or other hot parts Do not place test equipment or tools on fenders or other places in the engine compartment Engine compartments contain 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 and other hot parts Wear gloves when handling hot components Do not allow test leads to touch exhaust manifolds or other hot parts Hot components can cause injury oO Risk of poisoning Adequate ventilation should be provided when working on operating engines Route exhaust outside while testing with engine running Use equipment or tools in locations with mechanical ventilation providing at least four air changes per hour Engine exhaust contains odorless lethal gas Use throttle body cleaner only in a well ventilated area Wear protective gloves and safety goggles user and bystander Do not let cleaner contact skin eyes or mouth Have plenty of fresh water and soap nearby If throttle body cleaner contacts skin eyes or clothing flush area with soap and water Poisoning can result in death or serious injury Important Safety Instructions General Safety Instructions Risk of eye injury
13. re closed before disconnecting vehicle battery cables This also helps prevent damage to onboard computer systems Do not expose tester to rain snow or wet conditions Do not allow battery gases or acid to contact tester housing Always disconnect battery ground connections before servicing electrical system components 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 OOPr Risk of fire Wear safety goggles and protective clothing user and bystander Relieve fuel system pressure before opening lines and connections Keep cigarettes sparks open flame and other sources of ignition away from the vehicle Disconnect the battery ground before opening any fuel system fittings Reconnect the cable to run the engine or operate the fuel pump for testing Gasoline methanol and oxygenated fuels are toxic and flammable and must be handled appropriately 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 open containers of flammable liquids such as gasoline away from operating
14. safe operation Risk of unsafe condition e Use only Snap on power adapters and or power cables e Use only the Snap on adapter that is recommended for a specific product or series of products Use of non Snap on type power adapters or power cables can result in damage or unsafe conditions Important Safety Instructions All Handheld Diagnostic Tools All Diagnostic Tools Risk of ARENI deployment Do not place diagnostic tools or any other object between the airbag and a person An object near the expanding airbag may be propelled at high speed and become a projectile capable of causing serious injury death or damage AE deployment can cause death or serious injury d AERE of entanglement Do not allow cables to hang in a manner that could entangle operators or driving controls Arrange cords so that they will not be tripped over or pulled Be sure that cables attached to your tools equipment and other accessories are routed so as not to interfere with walk paths Poorly routed cables and exposed conductors can create an unsafe condition a Risk of electric shock Disconnect all test leads and turn diagnostic tools off before removing end grips Do not operate diagnostic tools without properly installed end grips Do not attempt to disassemble any battery or remove any component projecting from or protecting the battery terminals Do not remove covers or attempt to disassemble No user serviceab
15. sed area with soap and water for 10 minutes Do not touch eyes while working near a battery Do not let any material leaked from a battery come in contact with eyes or skin Always make sure the battery polarities and are correct when installing Battery acid is a highly corrosive acid that can burn eyes and skin Important Safety Instructions General Safety Instructions Risk of personal injury or harm The Lithium battery used in some tools is factory replaceable only incorrect replacement may cause an explosion Do not expose batteries to excessive heat e Use batteries from a reputable manufacturer only e Use only Snap on provided replacement batteries or battery packs where specified Do not change batteries or battery packs while an instrument is attached to a power source Make sure the unit power is off before opening the battery compartment When replacing batteries always replace the whole set Do not use different brands of batteries together Do not try to recharge batteries that are not specifically designed to be recharged Do not allow children to install batteries unsupervised Follow the battery manufacturer s instructions for proper handling storage and disposal of batteries Prior to recycling batteries protect exposed terminals with heavy insulating tape to prevent shorting Improper use of batteries can result in personal harm Risk of equipment or circuit damage e
16. the amp probe when not in use Explosion can cause death or serious injury Important Safety Instructions Scopes and Meters Risk of equipment or circuit damage Disconnect test leads from any circuit being tested before changing functions Always disconnect the live test lead before disconnecting the common test lead Never perform resistance diode or polarity tests on a live circuit Unless specifically directed by the test procedure make sure the ignition is off before connecting or disconnecting connectors or any vehicle electrical terminals Remove the amp probe when not in use Do not create an electrical connection between battery terminals with a jumper wire or your scopes and or meters Do not ground any electrical terminal that has or may have power Do not allow battery gases or acid to contact tester housing Improper use can cause equipment or circuit damage Scopes and Meters Category This product is intended for Measurement Category for example automotive 12V Risk of electric shock A systems do not use this product for Measurement Categories Il Ill and IV Measurement Category is for measurements performed on circuits not directly connected to MAINS or MAINS circuits an example of MAINS circuit is 120V AC or 240V AC household or industrial electricity Do not connect this product to MAINS or MAINS circuits Do not exceed voltage limits between inputs as indicated on the rating label Use extrem
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