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I've got a '79 228 Mercursier (I? I-Drive?) That needs a new seal on the Drive shaft. I took the Gear housing assembly off the Drive Shaft housing to replace the sea-water pump. That's done. Now, I have to put the two housings together. The Drive Shaft has a grove for an o-ring, so I bought the o-ring and replaced the seal. I put the o-ring on the Drive Shaft and tried to mate the two housings. That o-ring WILL NOT go past the seal. It always "bunches up", comes out of the grove, and refuses to to through the seal completely while staying in its grove; it winds up being, like, half in and half out. There's no way I can see to get that o-ring through the seal, intact and in the grove.
Is that o-ring even required?? I suspect that the o-ring and grove for same are an artifact of an earlier design and on my drive it isn't required; the seal is all that is required to keep the oil in the drive. I can't find anything that tells me one way or the other. If the o-ring is required, I'm at a total loss on how to get it to stay in the grove as it passes through the seal without damaging the seal, the o-ring, or both. Am I mistaken, or am I doing something wrong?
Could it be that I have the seal in upside down? I have it installed so that the spring "garter" is towards the Drive Shaft housing, not towards the Gear Housing. It seems counter-intuitive to install it the other direction, but maybe that's what it takes to get that @&#$ o-ring to stay in it's grove and go in past the seal. Maybe, but I just can't see how they designed that unit to require an assembly that requires that o-ring to be "forced" past that seal, stay intact, and do it's job of sealing - anything. I have to ask again, is that o-ring required on my unit? What if I don't use it, will the assembled unit leak? What am I missing?
This problem is making me crazy...... I need help!
Is that o-ring even required?? I suspect that the o-ring and grove for same are an artifact of an earlier design and on my drive it isn't required; the seal is all that is required to keep the oil in the drive. I can't find anything that tells me one way or the other. If the o-ring is required, I'm at a total loss on how to get it to stay in the grove as it passes through the seal without damaging the seal, the o-ring, or both. Am I mistaken, or am I doing something wrong?
Could it be that I have the seal in upside down? I have it installed so that the spring "garter" is towards the Drive Shaft housing, not towards the Gear Housing. It seems counter-intuitive to install it the other direction, but maybe that's what it takes to get that @&#$ o-ring to stay in it's grove and go in past the seal. Maybe, but I just can't see how they designed that unit to require an assembly that requires that o-ring to be "forced" past that seal, stay intact, and do it's job of sealing - anything. I have to ask again, is that o-ring required on my unit? What if I don't use it, will the assembled unit leak? What am I missing?
This problem is making me crazy...... I need help!
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