1941 Packard 110 - Fan Wobble and Belt Tension

Posted by Ragtime Kid On 2016/8/12 0:45:26

After replacing my water pump, I observed that the fan has a fairly pronounced wobble at idle. It may have always been this way, but the water pump job has caused me to focus on it for the first time.

How much wobble is acceptable? It does smooth out some above idle.

Also, how tight should the drive belt be? I've got the alternator (replaced the generator with 6 Volt pos ground alternator) maxed out as far on the sliding arm as it can get and the belt has perhaps 1" of deflection when pushed in the middle between the water pump pulley and alternator pulley. I can also take and turn the fan by hand and make the pulley slip under the belt relatively easily.