Posted by jimtrs on June 02, 2020 at 10:13:21 from (73.16.69.78):
In Reply to: Ford 8N PTO Leak posted by walt7777777 on June 02, 2020 at 07:40:07:
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Either the seal is wrong and/or installed wrong or damaged, or the journal that the seal rides on is worn too much.
There are three different PTO shafts on these old N's:
Early style (39 -- 43), These early style shafts are a pain to re-seal. I typically just replace the whole thing with a new 1-3/8 shaft assembly
Later style (44 -- 52), 1-1/8 size
Later style (44 -- 52), 1-3/8 size
Both the 1-1/8 shaft and the 1-3/8 shaft of the later style take the same seal 9N703, but there are two sizes of the 9N735 collar, that the seal rides on. One for the 1-1/8 shaft and another for the 1-3/8 shaft. I always replace that collar along with a new seal.
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