It's a recent development in the effort to improve efficiency - if you don't need electricity, don't use the power to spin the armature -- I think the same is being done with water pumps in some models as well.
On Sat, Jun 16, 2012 at 10:14 PM, WILTON <wilt...@nc.rr.com> wrote: > I certainly haven't seen 'em all, but I've never seen an automobile > alternator pulley with a clutch, either. > > Wilton > > ----- Original Message ----- From: "Craig" <diese...@pisquared.net> > To: <mercedes@okiebenz.com> > Sent: Saturday, June 16, 2012 10:15 PM > Subject: Re: [MBZ] Eating belts > > > > On Sat, 16 Jun 2012 20:52:12 -0400 John Reames <jwrea...@comcast.net> >> wrote: >> >> The alternator has a clutch in the pulley. I'd think that if it were >>> the alternator pulley going bad it would quickly come apart... >>> >>> I've had one come apart; the pulley was the stone, the belt the sling, >>> and the radiator played the part of Goliath. >>> >> >> I know the A/C compressor has a clutch in the pulley, so the compressor >> can be cycled. I've never seen an alternator with a clutch in the pulley. >> The regulation for an alternator is usually done electronically. >> >> >> Craig >> >> ______________________________**_________ >> http://www.okiebenz.com >> For new and used parts go to www.okiebenz.com >> To search list archives >> http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> >> >> To Unsubscribe or change delivery options go to: >> http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> >> > > > ______________________________**_________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives > http://www.okiebenz.com/**archive/<http://www.okiebenz.com/archive/> > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/**mailman/listinfo/mercedes_**okiebenz.com<http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com> > -- OK Don 2001 ML320 1992 300D 2.5T 1990 300D 2.5T 1997 Plymouth Grand Voyager _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
