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TOPIC: EH700 175hp raw water impeller replacement...Kashiyama pump

EH700 175hp raw water impeller replacement...Kashiyama pump 25 Jul 2017 21:33 #1

  • Smitty
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My impellers were last changed 4 years and 530 hours ago. (BTW, the old impeller still looked great)
I have always hired a mechanic to do the replacement for me. This time I thought I would do the job myself. So, this morning I went to the boat and replaced the starboard impeller without too much problem. On my 3870 access to the starboard pump is easy.....but when I now look at the Port pump., if I lay between the engine and batteries I can reach in to the pump with one hand...I'm not sure I can do it myself.
Those of you who do this on your own....what suggestions do you have, how do you manage to do it?
Thanks for your suggestions

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Allan
1986 - 3870
175 Hinos
Moored in Ladysmith BC

EH700 175hp raw water impeller replacement...Kashiyama pump 25 Jul 2017 21:54 #2

  • Pcpete
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Our resident expert, Earl "The Bayliner Guru", suggested, when I asked, that I lay between the motors and loosen the bolts underneath then you can lift the pump to a place you can get at it.....or so he said. I haven't tried it yet. Some here have said they remove the hose connections to get the pump to an even easier place to take apart.

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P/C Pete
Edmonds Yacht Club (Commodore 1993)
1988 3818 "GLAUBEN"
1980 Encounter Sunbridge "Misty Blue" (Sold)
MMSI 367770440
1972 Chevrolet Nova Frame off Resto-mod in the garage
Boating on the Salish Sea since 1948

EH700 175hp raw water impeller replacement...Kashiyama pump 25 Jul 2017 22:51 #3

  • MacPhid
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I lay on top of the port motor from between the engines and reach under the mount with a wrench to loosen the 4 mounting bolts. I then loosen the tension on the belt and remove it. I then remove completely the 4 mounting bolts and lift the pump out and take it to my workbench to overhaul.

James

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1989 Bayliner 3888, 175 Hinos,
Hurth 630's Onan 8kw MDKD
Lowrance Electronics!
MMSI
316030379
Boating on Georgian Bay

EH700 175hp raw water impeller replacement...Kashiyama pump 26 Jul 2017 01:50 #4

  • brad4550
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I have the same problem....I remove the 4 bolts,tension bolt, also the 2 bolts that are on the metal elbow (exit of raw water) ,leaving main ( long section) of raw water hose attached the one from sea strainer then you swing it over between the engines for repair ......Good luck Brad

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Brad & Sharon
Lady Jake
1985 4550 EH 700TI /Twin Disc 502
LaConner,Wa. (summer)
2003 Scout CC 24' W/225 Yamaha
kailua Kona,Hi (Winter)

EH700 175hp raw water impeller replacement...Kashiyama pump 26 Jul 2017 02:17 #5

  • davesisk
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Dang it...in the fall, I'm going to give a serious look at fabricating some sort of bracket that will raise the seawater pump a couple of inches so we can change our impellers without having to disassemble the whole darned thing! This should be a 15 minute per engine task, rather than a whole day of gruntin', sweatin', and cussin'! :P

Cheers,
Dave

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Last Edit: by davesisk.

EH700 175hp raw water impeller replacement...Kashiyama pump 26 Jul 2017 11:39 #6

  • smitty477
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EH700 raw water pump, impellers, how to change, and tips....

www.baylinerownersclub.org/index.php/for...er-pumps-bad-bad-bad

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Northport NY
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