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Old 08-03-2015, 09:56 PM   #1
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Problem getting the sea water pump off

I had a sea pump leaking from the front of the pump. I disconnected everything but the clamp holding it down has rusted bolts heads and I can't get them off. Got the top part off which was also broke and the top half came off but not enough of it to get the pump off. If I can get the end off that is mounted on the shaft.I can slid it out but there is a hex head bolt holding the peice on the pump shaft. I bought a new set of Allen wrenches and they don't fit go enough to get the hex head bolt off. Do they make special tools that fit this bolt.
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Old 08-03-2015, 10:06 PM   #2
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What engine is this?
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Old 08-03-2015, 10:48 PM   #3
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Maybe a picture or two?
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Old 08-04-2015, 08:19 AM   #4
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Yes, pictures and description will help, in the meantime a good application penetrating oil, with some light tapping on the bolt heads might help loosen things up. Those hex heads may be metric, or std.
Good luck
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Old 08-04-2015, 03:29 PM   #5
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I tried so hard to explain it I forgot to tell y'all what motor was. It is a Perkins 6.354. The pump is mounted on the side of the motor. I tried all the Allen wrenches but none fix perfect enough to turn the bolt.
Thinking I may grind the mount off being that is already broke on one side.

Thank you for the advice.
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Old 08-04-2015, 10:44 PM   #6
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Sea water pump

I got it tonight. Had to use a grinder but its off. The mount that held it in place was in rough shape it was broke in 3 spots. So now I will try to find that to.

Another good note and close call. The generator would crank and run but when it got a load on it, it would die but I had everything off. While I was in the engine compartment I saw a wire that was burned almost in half, I tracked it down to a outlet box that was hidden in the wall. Found it in the breaker box and disconnected it. I started the generator and it purred like a kitten. Ran everything for about a hour off the generator. Scary though.

Drove 400 miles last month with no a/c over a short. Man that was a hot trip.
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Old 08-05-2015, 08:50 AM   #7
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Allen wrenches come in both sae and metric
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Old 08-05-2015, 10:24 AM   #8
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Quote:
Originally Posted by bayview View Post
Allen wrenches come in both sae and metric
Bingo...Perkins are made in jolly old England.
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Old 08-05-2015, 01:03 PM   #9
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The best penetrating oil I've ever used is "AeroKroil." You can research it on Google by searching Kano Labs. (Thread Hijack---sorry).
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Old 08-05-2015, 01:32 PM   #10
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Kroil, in a squirt top can, is available in many gun shops and sporting goods retailer. I agree with the barefoot one that it is an excellent penetrating oil. Also great on cleaning rifle/shotgun bores. I keep a can in my gun cleaning case but have used it on frozen fasteners on many types of metal to metal interfaces.
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Old 08-05-2015, 04:05 PM   #11
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Didn't know I could clean my firearms with Kroil. Thanks.
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Old 08-05-2015, 09:37 PM   #12
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Older Perkins and Lehmans are all US thread.
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Old 08-06-2015, 06:52 PM   #13
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One problem to another

Got the pump off but the mount that was holding it on is broke in 3 different spots. It hard to discribe but the mount is flat on the bottom it comes up in a circle and has a bolt on the top in the middle to tighten the mount to the pump. If anyone know where I can find this it would help.
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Old 08-06-2015, 08:13 PM   #14
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Quote:
Originally Posted by Timetraveler View Post
Got the pump off but the mount that was holding it on is broke in 3 different spots. It hard to discribe but the mount is flat on the bottom it comes up in a circle and has a bolt on the top in the middle to tighten the mount to the pump. If anyone know where I can find this it would help.
Can you post photos, it might help.
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