Table of Contents
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IH: Oiling & Lubrication
Trans/Primary Oiling
Primary Oil Level Plug / bolt
57-70 (3728), 1/4“x20x1/2” hex bolt.
71-85 (2420), 1/4“x20x3/4” posidrive bolt.
Any 1/4'x20 bolt will do as a replacement.
If the threads are jacked up when this bolt is removed, you can drill / tap to next size up. 1)
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| 1982 Primary Oil Site Plug 2) |
1)
doodah man of the XLFORUM http://xlforum.net/forums/showthread.php?p=5122516
2)
photo by Yakcm2 of the XLFORUM http://xlforum.net/forums/showthread.php?t=2001239&highlight=primary+drain+plug
