Joined: Oct 06, 2006 Posts: 194 Location: Zephyrhills, Florida
Posted: Sat Dec 16, 2006 10:14 pm Post subject: Downloads
I went to the downloads page for info on a Autolite Voltage regulator in a M38, and anything there did not match what I have Part no. VBC-4004UT. I need the gauge gaps for it anyone know?
With the Auto-Lite/Prestolite stuff the core number xxx4002xx grows as the new improved versions come out. The TM 9-1825B was last dated 1952.
In addition to the specific measurements you asked for there are a few tests that are slightly different as well on the 4004 version. They can be found on the Prestolite service letters I have on my photo page.
Circuit Breaker
Armature core gap = .066 to .070
Contact point gap = .047 min.
Voltage Regulator
Armature core gap = .052 to .056 on VBC4004UT date code before 12X.
Armature core gap = .057 to .060 " " " " 12X and on.
Current regulator
Armature core gap = .052 to .056 on VBC4004UT date code before 12X.
Armature core gap = .057 to .060 " " " " 12X and on. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
You click on the thumbnail and you'll get the half size photo. Then you click on the photo being displayed and you'll get the full size photo in a pop up window. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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