Glossary “reduction catalyst” Definition:
The section of a three-way catalytic converter that breaks NOx (oxides of nitrogen) down into harmless nitrogen and oxygen through a reduction reaction.
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reduction oxidation catalyst converter (REDOX)
Glossary “reduction oxidation catalyst converter (REDOX)” Definition:
Catalyst converter system designed to reduce Nox emissions at high temperatures, as well as reduce HC and CO emissions at high and low temperatures.
reducer
Glossary “reducer” Definition:
1). Tool that reduces the size of a device, such as a pipe. 2). A paint thinner. 3). An adapter for using a smaller tool.
red light
Glossary “red light” Definition:
1). Warning signal to stop. 2). To jump from the line before the start signal. 3). To foul and become disqualified from an event. 4). Illimunation of a warning lamp.
red line
Glossary “red line” Definition:
Maximum recommended engine speed.
REDOX
Glossary “REDOX” Definition:
Reduction Oxidation Catalyst Converter. At lower temperatures, it reducesHC and CO. At higher temperatures, it reduces HC, CO and Nox
redress a tool
Glossary “redress a tool” Definition:
To reshape, resharpen, or polish a tool.
red dye trace solution
Glossary “red dye trace solution” Definition:
The dye that reveals the exact location of a leak in a fluid system by depositing a colored film around the leak area.
rectifier
Glossary “rectifier” Definition:
Electrical device used to convert alternating current and direct current.
rectifier bridge
Glossary “rectifier bridge” Definition:
A group of six diodes, three positive and three negative commonly used in an alternator
recycle
Glossary “recycle” Definition:
To recycle is to clean the refrigerant for reuse, by oil separation and passes through other devices such as filter-driers, to reduce moisture, acidity, and particulate matter.
recycled assemblies
Glossary “recycled assemblies” Definition:
Undamaged parts from another damaged vehicle that are used fro repairs.
rectification
Glossary “rectification” Definition:
The converting of AC current to DC current
recovery/recycle systems
Glossary “recovery/recycle systems” Definition:
Term often used to refer to the circuit inside the recovery unit used to recycle and/or transfer refrigerant from the air-conditioning system to the recovery cylinder.
recovery/recycle unit
Glossary “recovery/recycle unit” Definition:
Term used to identify the complete unit used to recover and/or recycle refrigerant from the air conditioning system.
recovery station
Glossary “recovery station” Definition:
Machine used to capture the old, used refrigerant so that it does not enter and pollute the atmosphere.
recovery system
Glossary “recovery system” Definition:
It is used to capture refrigerant from the A/C system and keeping it from contaminating the atmosphere.
recreational vehicle (RV)
Glossary “recreational vehicle (RV)” Definition:
A motor-driven, van-like vehicle having sleeping, food preparation, and bathroom facilities.
recon
Glossary “recon” Definition:
Short term for reconditioned.
reconditioned
Glossary “reconditioned” Definition:
Used part that has been repaired, tested, and determined to be in good order. Also known as recon.