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  #1   IP: 76.168.122.221
Old 04-27-2014, 12:39 PM
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Mahoneymik Mahoneymik is offline
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"L" fittings?

I just replaced my old Oberdorfer water pump with a new MM pump and it seems to be working perfectly. Thank you MM!
My question is... When I scavenged the "L fittings" that attach to the water hoses from the old pump and screwed them into the new pump and screwed them in, they didn't end up in the same placement as the old ones and in the direction of the hoses. For instance, when tightened, the intake hose might be 180 degrees from where the fitting is pointed.
So I loosened the fitting a little so that it would point in the direction of the hose. I ran the engine for about ten minutes and there was no leaking.
I'm wondering though, is that the proper procedure? And if not, how do I get those fittings tightened and pointing in the right direction, or is there something I can put on the threads to keep them from leaking?
Thanks in advance,
Michael
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  #2   IP: 107.0.6.242
Old 04-27-2014, 12:48 PM
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hanleyclifford hanleyclifford is offline
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Since those are tapered pipe fittings it can be challenging to make the barbs face right where you want them with the torque that seems correct. Sometimes using pipe dope gives you a little more leeway in using less torque. But if it doesn't leak, you did right.
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  #3   IP: 108.21.63.119
Old 04-27-2014, 06:14 PM
jstaff jstaff is offline
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A few wraps of Teflon tape will help you to have the fittings good and snug, and pointing in the directions you prefer...
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  #4   IP: 173.66.236.200
Old 04-27-2014, 10:20 PM
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+1 on the teflon tape. I use at least 3 turns of tape.
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  #5   IP: 166.137.210.29
Old 04-28-2014, 04:21 PM
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Quote:
Originally Posted by jstaff View Post
A few wraps of Teflon tape will help you to have the fittings good and snug, and pointing in the directions you prefer...

Perfect! That's exactly what I needed to hear. Thank you!
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  #6   IP: 97.67.11.26
Old 03-24-2015, 12:23 PM
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I also need to rebuild a pump or two

Hi all,

Long time since I've been here, life and things had put my boating on hold. Can't say I didn't miss y'all

I'm rebuilding the water pump since I've been getting a bit of oil out of the lower weep hole, indicative of a bad seal I believe. Upon removing the pump I also saw some oil on the mating surfaces of the pump and the drive.

I'm wondering why, even in rebuilds it seems, the fitting out from the pump is the squared (bored?) fitting, when the cast fittings provide better flow, such as on the manifold where cast fittings are preferred.

Any harm or benefit in replacing that with a cast fitting?

Thanks much,
Leon
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  #7   IP: 107.0.6.242
Old 03-24-2015, 03:29 PM
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hanleyclifford hanleyclifford is offline
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There is always a benefit in using cast, especially street fittings in any application on the boat.
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  #8   IP: 71.12.227.175
Old 03-24-2015, 06:39 PM
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great!

cast fittings it is
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