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  #11  
Old 08-18-2015, 01:00 PM
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Good information. I saw the washer when I disassembled my pump. All three of my pumps are mounted motor down pump up. Maybe time to redo that design.
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  #12  
Old 08-20-2015, 11:05 AM
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I looked again at the pump and there is a rust line inside the housing indicating water had risen above the base and into the brush/bearing area of the pump. Has anyone changed their pumps orientation to invert the motor? The KGB pump is mounted just above the drain plug in my X 14 and after this weekend I had a lot of water in the bilge and it was inches below the new pump.
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  #13  
Old 08-21-2015, 03:56 PM
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My 07 had the 18220-8123 Jabsco installed upside down in both rear lockers. I had to replace one and bought the 18220-1127 Jabsco. I just swapped the harness/connector from my bad pump to the new Jabsco. When I reinstalled them, I flipped them so the pumps are pointed down now. Yes, I have to removed the entire pump to change impellers, but oh well. Still simple to do.
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  #14  
Old 08-21-2015, 04:36 PM
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Thanks for the input. I checked my bilge pump and made sure it was working but I don't think it will start until there is so much water that the brushes on the KGB pump will be under water. Think I will invert it to give me a more clearance. I was surprised at how much water I had in the bilge after a weekend of skiing,etc but the X14 likes to dip under the rollers from time to time and we roll the water to the rub strip with some heavy front end load so maybe that's why it is more water than the pro star.
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  #15  
Old 08-22-2015, 12:36 AM
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Here is the code to the pump part numbers. (At least the code that I have deciphered.) All the pumps that I have came across are coded like this 18220-X12Y.

18220 is the main number signifying a ballast pump

X is the boat code 8 = Mastercraft, meaning that pump was sold specifically to Mastercraft, 1 = Jabsco, meaning it is a generic pump bought from Jabsco. Physically, absolutely no difference in the pumps

Y is the impeller type. 3 = black rubber, 7 = green or yellow polyurethane. If you buy an 18220-1123 pump and put in a green impeller, now you have an 18220-1127 pump.
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  #16  
Old 08-23-2015, 09:50 AM
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Good information. I see prices all over the $200+ range but the same 18220 number. Is the black versus polyurethane a strong consideration? I have inverted my KGB pump so now the pump head and thus the impleller are at the same approximate level as the seacock so I guess below the water line which makes the impeller the "plug" to keep water in or out of the tank. Maybe that is the reason MasterCraft mounted them with the pump on top.
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  #17  
Old 08-23-2015, 10:17 PM
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I inverted the KGB pump and here is the rework

I was able to use the original hose by reversing the connections on the KGB switch.

The KGB fill and empty leads are labeled so I reversed them.

This gives me a lot more room for the bearings and brushes before they go under water if the bilge fills up.
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  #18  
Old 05-23-2016, 09:09 PM
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Similar Jabsco problem

In my 08 X2, my port side pump didn't seem to fill up.. Upon further checking I realized that(with engine off) my port pump sounded different than my others, like a rough kind of sound. So, I ordered a new Jabsco pump and when I got it in I didn't have the deutsch connectors that were used to connect my other one, so
I cut the connectors off and just spliced the wires together and now....nothing, can't even get a noise out of it. Is there any kind of reset I am
Doing? Possibly blew a fuse? Help please..
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  #19  
Old 05-23-2016, 11:08 PM
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Yea, you should have a reset button. Mine is on the port side in the front part of the real locker.
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  #20  
Old 05-24-2016, 03:13 PM
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Quote:
Originally Posted by blackhawk View Post
Yea, you should have a reset button. Mine is on the port side in the front part of the real locker.

You're talking the push button fuse/circuit breaker, correct?
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