Glossary “recovery” Definition:
The recovery of refrigerant is to remove it, in any condition, from a system and to store it in an external container without necessarily testing or processing it in any way.
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recovery cylinder
Glossary “recovery cylinder” Definition:
Cylinder for the storage of used R-12 and/or R-134a must meet DOT specification 4BA-300, characterized by a combined liquid/vapor valve located a the top. A recovery cylinder should be painted gray with a yellow shoulder.
reclaim
Glossary “reclaim” Definition:
To remove any substance, in preparation of recycling that substance. Refrigerant is first reclaimed from th A/C system, and then recycled.
recliner adjuster
Glossary “recliner adjuster” Definition:
Hinge mechanism that allows adjustment of the seat back to different angles.
recirculate
Glossary “recirculate” Definition:
1). To reuse 2). To circulate a fluid or vapor over and over again.
recirculate door
Glossary “recirculate door” Definition:
Door in the plenum that regulates the amount of recirculated air flow.
recirculating ball
Glossary “recirculating ball” Definition:
Worm and gear steering assembly with balls between the worm and sector to reduce friction.
recirculating-ball-and-nut steering gear
Glossary “recirculating-ball-and-nut steering gear” Definition:
A type of steering gear having a nut meshing with a worm gear sector, with balls that circulate between the nut and worm threads.
recirculating-ball steering gear
Glossary “recirculating-ball steering gear” Definition:
Low friction steering gear box having a worm-gear meshing with a cross shaft sector having about 40 recirculating balls that travel in matching grooves inside the ball nut and outside the worm shaft which acts as a rolling thread.
reciprocating motion
Glossary “reciprocating motion” Definition:
Motion of an object between two limited positions in a straight line back and forth or up and down.
recirc door
Glossary “recirc door” Definition:
Acronym for recirculate door.
reciprocating engine
Glossary “reciprocating engine” Definition:
Powerplant in which the piston move in a reciprocating motion.
receptacle
Glossary “receptacle” Definition:
A contact device, installed at an electrical outlet, extension cord, or drop light for the connection of an attachment plug and flexible cord to supply power to portable equipment.
recharging
Glossary “recharging” Definition:
1). The action of forcing electrical current into a battery, reversing the chemical reaction between the plates and electrolyte. 2). Filling an A/C system with refrigerant.
reciprocating
Glossary “reciprocating” Definition:
A back-and-forth, up-and-down, such as that of a piston in a cylinder.
receiver dehydrator
Glossary “receiver dehydrator” Definition:
Container for the storage of liquid refrigerant and a desiccant.
receiver drier
Glossary “receiver drier” Definition:
A term used for receiver dehydrator.
receiver tank
Glossary “receiver tank” Definition:
The second tank in a radiator is often referred to as a receiver because it receives coolant after passing through the many tubes of the radiator core. The receiver, on A/T equipped vehicles, contains a transmission oil cooler.
recall
Glossary “recall” Definition:
A notice issued by the vehicle manufacturer that a certain make and model vehicle should be returned to the dealer for a correction of a suspected or known problem.
recall bulletins
Glossary “recall bulletins” Definition:
Dealer notice pertaining to vehicle service or the replacement of parts related to a recall.