sherwood

  1. C

    Sea cock for raw water pump 35-3

    New to this boat. Changing out the hose and impeller on the Sherwood pump. But for the life of me, I cannot find the shut off on the 1987 35-3, under the m25. help?
  2. yodaears

    Help please - Universal M-20 raw water pump failure

    Alrighty, either I am the worst googler ever or I have overlooked what I am sure is a previously discussed topic. My apologies. Help is appreciated... 1984 E30+, Universal M-20, Sherwood G908 Lost raw water flow yesterday, shut off immediately and had a docking adventure under sail. In-flow...
  3. Christian Williams

    M25 Raw Water Pump Replacement

    My old Sherwood water pump started leaking this summer. A seal failed, and water and oil dribbled increasingly from the base, in which the shaft turns. At first I rigged a funnel and a tube to route the water into a jug instead of the engine drip pan, which was getting filled up. Then I closed...
  4. mherrcat

    Replacing Sherwood water pump impeller

    In replacing the impeller on my Sherwood water pump (M-18 engine) I have discovered that the backing plate behind the impeller housing is slightly scored - we're talking .001" to .002". Can I try to "lap" that side of the plate surface to make it smooth again, and is .002" difference in the...
  5. mherrcat

    Sherwood impeller replacement

    I was trying to order a replacement O-ring and gasket for the Sherwood water pump on my M-18 engine from Torresen Marine and there was some confusion about the need for a gasket. They are checking it out and are going to call me back, but I thought I would ask here as well. On the drawing, part...
  6. T

    Sherwood Raw Water Pump

    I have been doing some reading on the raw water pump (oberdorfer) that is on my Universal M-40 and see that there is a Sherwood replacement with significantly higher volume output. In running engine at WOT I noticed the temp run up to about 200 and thought that a bit too high. Running at...
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