the pointy end is the bow
Join Date: Aug 2006
Location: La Conner, Washington
Thanked 27 Times in 26 Posts
Rep Power: 10
Tip on replacing a seal
I replaced the rear seal on my transmission on this last haul out. I ran into some trouble with the installation of the new seal but came up with a pretty inexpensive tool to finally get-r-done.
The trick to driving in a new seal is to apply equal driving force on at least two more more sides of the seal simultaneously while pounding it in. With small seals, I usually can find a socket in the tool box around the same diameter and use that to drive in the new seal. This particular seal was four inches in diameter though and I didn't have an sockets that big. If you don't have anything protruding beyond the plane of the seal, you can just lay a block of wood over the seal and drive it in with a big hammer. I couldn't do this in my particular case, because the prop shaft coupler stuck out and was in the way.
I worked on it for a long time, tapping in one side and then trying to tap in the other side but each time the seal would pop out on the opposite side. It was getting frustrating. I solved the problem by going to home depot to the PVC pipe fitting section and looking at the all the different couplers and fittings until I found one with a diameter that was pretty close. Paid less than five bucks for it, took it to the boat, held it against the seal and laid a block of wood over the other end of the fitting and then drove it in. Took three ties and maybe five minutes instead of the hour or more I had already into it. Anyway, there is more than one way to skin a cat.
1983 Fraser 41
La Conner, WA
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Boating for over 25 years, some of them successfully.