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Author Topic: 50DN Alternator Info  (Read 3481 times)
luvrbus
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« Reply #15 on: October 27, 2010, 06:46:18 AM »

Joe, I know about the adjustment screws inside the spacer I told the guys here they need to check the alternator every 100,000 miles I also know the 92 series uses a special cam shaft to drive that beast that breaks I just shipped one to Don Fairchild for a 8v92.
You can use anything you wish on your engine but never will you see that time bomb on a engine I own that bomb will go off in time if never kept in check believe what you want makes no difference to me


good luck
« Last Edit: October 27, 2010, 06:57:10 AM by luvrbus » Logged

Life is short drink the good wine first
thomasinnv
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« Reply #16 on: October 27, 2010, 07:56:36 AM »

Clifford, I know what your talking about.  A friend of mine bought a 4905 2 years ago and his 50DN grenaded before he got it home.  It took out the bell housing and 3 of the gears inside.  Bus has been sitting in Crescent City ever since getting a little work here and there as he can afford it.
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There are three kinds of people in this world....those that make things happen, those that watch things happen, and those that just wonder what the heck is happening. Which one are you?

1977 MCI Crusader MC-8
8V71N/740
95% converted (they're never really done, are they?)
TomC
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« Reply #17 on: October 29, 2010, 07:38:04 AM »

One of the tell tale signs that the 50DN has been up graded is the additional exterior oil lines.  The original has the oil line coming into the front (by the engine) bearing.  The upgraded has a T in the oil line leading to the rear bearing also.  Good Luck, TomC
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Tom & Donna Christman. '77 AMGeneral 10240B; 8V-71TATAIC V730.
Rick59-4104
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« Reply #18 on: November 01, 2010, 12:29:40 PM »

 For us new to this, can someone explain the problem and things to look out for with the 50DN alternators?...
 My 59 4104 has a positive ground 50DN, the oil supply line comes in at the right end of the alternator looking at the engine from the rear of the bus. I understand from a post on this topic that the originals had the oil line coming in to the left or engine end of the alternator? I get a little nervous when I read about them described as a grenade.

Thanks
Rick
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NW Arkansas
1959 GM 4104  No. 4115
1972 Grumman Kurbmaster Stepvan Conversion
1957 Airstream 13 panel Overlander
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« Reply #19 on: November 01, 2010, 12:49:28 PM »

A good place for information is the Delco Remy website.   Google 50DN manuals.    Service information and upgrade info is available.
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« Reply #20 on: November 01, 2010, 12:51:08 PM »

http://www.delcoremy.com/Product-Support/Installation---Instruction-Sheets/Service-Manuals---Alternators.aspx

Check this page out.
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