Can a pulley be removed from an alternator?
If an alternator with an OAP or OAD pulley is being replaced, and the replacement unit does not have a pulley installed, or it is a simple pulley and not the same type of OAP or OAD pulley, the original pulley can be removed from the old alternator and installed on the new unit – provided it is in good condition.
Where does the serpentine belt go on an alternator?
If you do not have a diagram on the vehicle or in your service manual laying out the direction your serpentine belt travels through the pulleys, take a picture of it with your phone to refer to when installing the new belt. A strictly alternator belt will likely only go around an alternator pulley and the crank pulley at the bottom of the engine.
Why does an alternator belt need to be worn?
The other end of the pulley wraps around the crankshaft. Therefore, the crankshaft and alternator are able to rotate together by the alternator pulley. If you didn’t have this pulley, then the alternator would not be able to do its job. As you continue to drive your vehicle, the alternator belt gets a little bit more worn each day.
How does an overrunning alternator pulley ( OAP ) work?
An Overrunning Alternator Pulley (OAP) has a one-way clutch mechanism inside the hub that allows the belt to turn the alternator in one direction, but allows the alternator to free-wheel and spin at its own speed when the engine suddenly decelerates.
What is a belt pulley?
Definition of belt pulley. : a pulley designed to drive or be driven by a belt.
What is a double V belt?
Detailed Description. DOUBLE V-BELTS. Double V-belts are essentially Prime Mover Belts. Either side of the belt can be used as a driving surface. They are used on equipment where a number of shafts have to be driven in opposite directions, at the same time, by a single belt.
What is an alternator pulley?
An alternator pulley is a device that allows a vehicle’s alternator to be turned by a belt, which is driven off of the engine’s accessory drive system.