[C38] Great help

[Philip Gay]

Les,

I had a Yanmar technician check out my engine a couple of years ago and he showed me how much easier it is to replace the raw water impeller if you unbolt and remove the raw water pump.  It is not necessary on my engine to disconnect any hoses.  Considering the poor access to the back side of my pump, it is the only reasonable way to service it.  Most of my trawler friends replace their raw water impellers once a year.  How often do you think is necessary?

Phil Gay  
C38 049 Que Linda
Everett, WA
  ----- Original Message ----- 
  From: Les Howell<mailto:hlhowell at pacbell.net> 
  To: Catalina 38 Listserve<mailto:Listserve at catalina38.org> 
  Sent: Saturday, November 05, 2005 11:24 PM
  Subject: [C38] Great help


  Hi, everyone,
      My head hatch lid is sprung.  Has been for some time.  Last week I was 
  going to take it off and work on it some, and broke the screw off in the 
  frame for the support.  So I want a new hatch.

      A very nice gentleman named JESS at San Diego Marine Exchange, has spent 
  literally hours helping me figure out what to use to replace it.  We now 
  have it down to two candidates from Bomar, which should fit the current hole 
  and meet my demands (which are that it fit the hole, Ha! Ha!).

      Anyway, wanted to give these guys a plug.  They are great.  I have 
  replaced my old Universal with a new M25 XPB.  The impeller is due for 
  replacement.  But the pump is a real (explective deleted) with a housing 
  that is bolted from the back, so you have to remove the hoses, remove the 
  mounting collar from the front of the engine, then remove the back screws 
  from the housing to pop it off the impeller.  Then replace the cover to the 
  cuff and rebolt it to the engine, and finally reattach the hoses (NO 
  KIDDING, this is the procedure in the manual).  A gentleman named FRED dug 
  out three differnet Oberdoffer pumps to try to find one that could be put in 
  place of this thing, but I don't have the original one off the engine yet 
  and the diagrams don't show lengths, etc.  So despite Fred's best effort we 
  couldn't replace the housing or the impeller or find a rebuild kit to fit. 
  But they suggested another shop down the street.

      Right now I will have to give San Diego Marine Exchange a real high 5. 
  So, please, if you need something, give these guys a call.  Their website 
  is: http://www.sandiegomarine.com/<http://www.sandiegomarine.com/>  And their prices are good as well.

  Regards,
  Les H
  Les Howell Technical Specialist, Teradyne (retired) hlhowell at pacbell.net<mailto:hlhowell at pacbell.net> 



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