By Jack Erjavec

ISBN-10: 1435483235

ISBN-13: 9781435483231

All 8 of the NATEF activity Sheets manuals were thoughtfully designed to aid clients achieve beneficial activity preparedness talents and grasp particular diagnostic and service systems required for achievement as a qualified automobile technician. perfect to be used both as a stand-alone merchandise or with any complete or topic-specific automobile textual content, the complete sequence is aligned with the 2008 NATEF projects and includes person books for every of the next components: Engine fix, automated Transmissions/Transaxles, guide force Trains and Axles, Suspension and steerage, Brakes, Electricity/Electronics, Heating and air con, and Engine functionality. vital to every handbook are well-designed and easy-to-read task sheets, each one of which incorporates particular performance-based pursuits, lists of required instruments and fabrics, safeguard precautions, plus step by step strategies to guide clients to final touch of store actions. additionally, every one activity sheet references all appropriate NATEF criteria. As they paintings via each one activity, clients are inspired to behavior checks, checklist measurements, make observations, and hire critical-thinking abilities with a purpose to draw conclusions. house is integrated for clients to make notes pertaining to difficulties encountered whereas operating, and for teachers so as to add reviews and/or grades.

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Because the oxygen sensor must be hot to operate, most late-model engines use heated oxygen sensors (HO2S). These sensors have an internal heating element that allows the sensor to reach operating temperature more quickly and to maintain its temperature during periods of idling or low engine load. A second type of oxygen sensor, a titaniatype, does not generate a voltage signal. Instead it acts like a variable resistor, altering a base voltage supplied by the control module. When the air/fuel mixture is rich, sensor resistance is low.

Flammable volatile liquids are potential firebombs. Always keep gasoline or diesel fuel in an approved safety can and never use gasoline to clean your hands or tools. Handle all solvents (or any liquids) with care to avoid spillage. Keep all solvent containers closed, except when pouring. Proper ventilation is very important in areas where volatile solvents and chemicals are used. Solvents and other combustible materials must be stored in approved and designated storage cabinets or rooms with adequate ventilation.

To reduce costs and liabilities associated with disposal of used towels, which can be classified as hazardous wastes, investigate using a laundry service that is able to treat the wastewater generated from cleaning the towels. ENGINE PERFORMANCE TOOLS AND EQUIPMENT Many different tools and many kinds of testing and measuring equipment are used to service engine performance systems. NATEF has identified many of these and has said an Engine Performance technician must know what they are and how and when to use them.

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NATEF Standards Job Sheets Engine Performance (A8), Third Edition by Jack Erjavec


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