Re: [diesel_mercedes] Alternator adjustment. W123 1980 TD

 

Another case of a perverse German engineer.
 
brian from laverne, ca
Mary (195K)  Martha (280K)
1983 w123 300d's
From: Kevin Kraly <kraly@comcast.net>
To: diesel_mercedes@yahoogroups.com
Sent: Sunday, March 11, 2012 3:12 PM
Subject: Re: [diesel_mercedes] Alternator adjustment. W123 1980 TD

 
My '77 240D has the toothy type adjuster bolt.  It wouldn't move until I loosened the 3rd bolt at the top that holds the toothed bracket.  This allowed the bracket to pivot with the movement of the alternator.  I was then able to slide my 17mm box wrench behind the belt, turn the bolt clockwise to the desired tightness, hold it there while tightening the nut, and then tighten all remaining bolts.  No more loose, squeaking belt!  It took me a while to fiddle with it and find all of this out, but I'll never be stumped by a W123 alternator again!
 
Kevin in Hillsboro, Oregon
1977 240D 315Kmi, Liesel the Diesel, rusty, but trusty


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Re: [diesel_mercedes] Alternator adjustment. W123 1980 TD

 

My '77 240D has the toothy type adjuster bolt.  It wouldn't move until I loosened the 3rd bolt at the top that holds the toothed bracket.  This allowed the bracket to pivot with the movement of the alternator.  I was then able to slide my 17mm box wrench behind the belt, turn the bolt clockwise to the desired tightness, hold it there while tightening the nut, and then tighten all remaining bolts.  No more loose, squeaking belt!  It took me a while to fiddle with it and find all of this out, but I'll never be stumped by a W123 alternator again!
 
Kevin in Hillsboro, Oregon
1977 240D 315Kmi, Liesel the Diesel, rusty, but trusty

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