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Old 06-08-2011, 02:54 PM   #1
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Raw Water Pump Impeller

I'm getting ready to bring my new-to-me boat down from Rhode Island to Philly so am starting to collect the spare parts I want to carry with me. Besides a good stock of spare fuel filters for the primary Racors and some for the secondary filter, I want to have a spare impeller for the raw water pump. Unfortunately, I do not have a part number for this. I am assuming the pump is original to the (low-time) engine, but I don't know what pump it is. Would there have been a "standard" pump put on a Perkins T6.3544 in 1988 installed in Taiwan?

I guess the option is to wait until I get to the boat in RI and hope to pick up a spare impeller there before starting home.

Advice?

Thanks
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Old 06-08-2011, 05:14 PM   #2
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RE: Raw Water Pump Impeller

The pumps are all the same on those era Perkins. I would call TAD Trans Atlantic Diesel in Virginia. They are Perkins experts and will give you the Jabsco or Sherwood part number.

www.tadiesels.com* I think this is their website
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Old 06-08-2011, 05:56 PM   #3
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RE: Raw Water Pump Impeller

I would install a new one before you leave. That way:

1. You know it's good.

2. You know how to change it and have the tools to change it.

3. If the old one comes out good, you have a spare.
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Old 06-08-2011, 06:01 PM   #4
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RE: Raw Water Pump Impeller

Quote:
Keith wrote:
I would install a new one before you leave. That way:

1. You know it's good.

2. You know how to change it and have the tools to change it.

3. If the old one comes out good, you have a spare.
*X2, especially No. 2. And get an extra spare on top of the old one.
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Old 06-08-2011, 08:04 PM   #5
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RE: Raw Water Pump Impeller

Great advice -- thanks.
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Old 06-08-2011, 10:22 PM   #6
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RE: Raw Water Pump Impeller

Congrats on the new boat and ditto to the advice above!
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Old 06-09-2011, 04:23 AM   #7
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RE: Raw Water Pump Impeller

WE usually install a Y strainer if the sea water pump feed is 1 inch or under.

A failed impeller is no big deal, one that fills and plugs passages in the heat exchanger and exhaust is a bigger deal.

The Y strainer is AFTER the impeller pump , and when the pump fails it will catch all the bits and pieces that usually shed off .

This is easier to monitor than the impeller it self , and will show the first bits before the entire impeller fails.

In shallow water its cheaper/easier to monitor than simply changing out on run time.
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