To adjust the tension, first you must remove the pulley nut Vw alternator/generator pulley shim,.50mm adjustment shims for the alternator or generator pulley, fits between the pulley halves and the pulley washer to tighten or loosen the fan belt. To adjust the belt tension, you must first remove the pulley nut
Air Cooled VW 1956-1979 MST Anodized Finish Serpentine Pulley System
The front half of the alternator pulley.
In this video, i replace the parts on the pulley system and v belt that connect to the alternator
These are key components that help the air cooled engine function A good v belt and. Start by locating the fan belt, connecting the crankshaft and generator pulleys, and inspecting it for. In this particular engine, proper fan belt tension is vital, since any belt slipping reduces the amount of.
If installing 3/4 pulleys you may. Remove the pulley nut with a 19mm wrench With the nut removed, you can then remove the bell. Here is the fix that i used to get the pulleys aligned
My situation was complicated because the current arrangement includes a power steering pump.
Install the new pulley, lock washer, and nut by hand Holding the pulley from spinning tighten the nut with an impact wrench until nut is tight. Modern alternators come with internal voltage regulators and you will no longer need the old voltage regulator The belt should be at least tight enough so that turning the generator/alternator pulley with a wrench also turns the engine
If it is too loose, turning the pulley will just turn the. Because this belt drives both the alternator and the engine cooling fan, the good condition and proper adjustment of the belt are critical to the operation of the engine. Cool air shows you how to convert your original volkswagen aircooled engine from a dynamo to an alternator charging system.