Yup - i put one on my yanmar 2gm20f - they helped me pick the right size -
shipped right away - it works great.

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"Doug Dotson" wrote in message
...
That is correct. The lower two screws are just loosened and the upper
two are removed. Then the plate just lifts up and off. I didn't have this
system on my Yanmar (3GM30F) and never changed an impeller on it
so I can't comment on that part. Its got to be better than trying to use a
screwdriver or nutdriver around a blind corner though.

Doug
s/v Callista

"Hmseconomy" wrote in message
...
Especialy good on the Yanmar reverse facing pumps. Can replace the
impeller by feel. BRBR

I've got the Yanmar 2GM20F with the waterpump facing aft. It would
appear
that
this model for require the SpeedSeal with four thumbscrews. Is that
correct?
If so, it also seems that two of the four would remain in place as you
slide
the cover into their slots and then put in the last two thumbscrews.
How
difficult is that to do by feel as you would not be able to see the
screw
holes?

That is correct. The lower two screws are just loosened and the upper
two are removed. Then the plate just lifts up and off. I didn't have this
system on my Yanmar (3GM30F) and never changed an impeller on it
so I can't comment on that part. Its got to be better than trying to use a
screwdriver or nutdriver around a blind corner though.

Doug
s/v Callista

"Hmseconomy" wrote in message
...
Especialy good on the Yanmar reverse facing pumps. Can replace the
impeller by feel. BRBR

I've got the Yanmar 2GM20F with the waterpump facing aft. It would appear
that
this model for require the SpeedSeal with four thumbscrews. Is that
correct?
If so, it also seems that two of the four would remain in place as you
slide
the cover into their slots and then put in the last two thumbscrews. How
difficult is that to do by feel as you would not be able to see the screw
holes?

Especialy good on the Yanmar reverse facing pumps. Can replace the
impeller by feel. BRBR

I've got the Yanmar 2GM20F with the waterpump facing aft. It would appear that
this model for require the SpeedSeal with four thumbscrews. Is that correct?
If so, it also seems that two of the four would remain in place as you slide
the cover into their slots and then put in the last two thumbscrews. How
difficult is that to do by feel as you would not be able to see the screw
holes?

Put them on every boat I've owned. All my marina mates have them now.
Especialy good on the Yanmar reverse facing pumps. Can replace the
impeller by feel.


On Fri, 28 Nov 2003 11:12:49 -0500, "Doug Dotson"
wrote:

Great product! I carry a spare as well and multple spare thumbscrews and
o-rings. Mine is on a Perkins 4-236.

Doug
s/v Callista

"Hmseconomy" wrote in message
...
Anyone have any first hand experience with this product? Pros and cons?

Great product! I carry a spare as well and multple spare thumbscrews and
o-rings. Mine is on a Perkins 4-236.

Doug
s/v Callista

"Hmseconomy" wrote in message
...
Anyone have any first hand experience with this product? Pros and cons?