Glossary “flathead” Definition:
Engine having intake and exhaust valves in the block.
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flatwashers
Glossary “flatwashers” Definition:
Flatwashers distribute the bolt load over a larger surface area. Protects the surface from being damaged by the bolt. They do not prevent the bolt from coming loose. Be sure that the rounded edge faces the bolt head.
flat six
Glossary “flat six” Definition:
An opposed six-cylinder engine.
flat head
Glossary “flat head” Definition:
Engine that has its valves located in the cylinder block and none in the head.
flat out
Glossary “flat out” Definition:
Full throttle.
flat rate
Glossary “flat rate” Definition:
Method of charging for services based on the time normally required to perform a particular service.
flat cam
Glossary “flat cam” Definition:
When a cam lobe is worn.
flat four
Glossary “flat four” Definition:
An opposed four-cylinder engine.
flash to pass
Glossary “flash to pass” Definition:
Steering column mounted dimmer switch having an additional feature that illuminates the high-beam headlights even with the headlight switch in the OFF or PARK position.
flashback
Glossary “flashback” Definition:
Recession of the flame back into the mixing chamber of the oxyfuel gas torch.
flashback arrester
Glossary “flashback arrester” Definition:
Device to limit damage from a flashback by preventing propagation of the flame front beyond the location of the arrester.
flasher
Glossary “flasher” Definition:
Automatic resetting, circuit breaker type switch used in directional signal and emergency signal circuits.
flashing the PROM
Glossary “flashing the PROM” Definition:
When the information in an EEPROM is erased and reprogrammed.
flash gas
Glossary “flash gas” Definition:
Gas resulting from the instantaneous evaporation of refrigerant in a pressure-reducing device, such as an expansion valve.
flash off area
Glossary “flash off area” Definition:
Space between the application area and source of application.
flash point
Glossary “flash point” Definition:
Lowest temperature at which a flammable liquid produces sufficient vapor to flash near its surface, but without continuing to burn. Provides an indication of how flammable a substance is.
flash
Glossary “flash” Definition:
1). Material that is expelled from a flash weld prior to the upset portion of the welding cycle. 2). Excess material found along the parting edges of a cast or forged part. 3). Condition that occurs when the first coat of paint appears to be dull, prior to final drying.
flash chrome
Glossary “flash chrome” Definition:
Thin chrome plating on certain engine parts to provide good wear characteristics.
flash corrosion
Glossary “flash corrosion” Definition:
Corrision that forms when water dries on bare metal.
flared
Glossary “flared” Definition:
Wheel wells openings emphasized with raised edges.