How to replace screens on water intake on Cobra drive?

[LAC_STS]

I have a 5.7 Cobra drive and I noticed that the screens that are on the inside of the water inlet holes on the outdrive are broken.

I have looked in the manual and unless I'm missing something I don't think it says how to put new ones in.

Has anyone done this before? Anyone know how to? Are the screens available?


As always thanks

 

[Lou C]

Re: How to replace screens on water intake on Cobra drive?

You have to split the the upper and the lower....I wouldn't bother until you have to do another repair that requires splitting the drive...BTW, some Volvos and Mercs don't even have screens there....

Cobra:
http://www.dougrussell.com/partscat...3,544,545,546,547,548,549,550,551,552,553,554

Volvo SX
http://www.dougrussell.com/partscat...3321,3322,3323,3324,3325,3326,3327,3328,3329:

 

[LAC_STS]

Re: How to replace screens on water intake on Cobra drive?

Thank you so much.

So I guess anything that is small enough to get in there prob won't hurt anything?

 

[Lou C]

Re: How to replace screens on water intake on Cobra drive?

They put them in there for a reason, and in fresh water or on trailered boat they are fine. My boat is moored in salt water and even with the anti fouling paint I get small barnacles growing in there. What I wind up doing is removing the drive in the fall (normal maintenance) and then I take out the impeller. Next I take a small pick or really small screwdriver and break up the barnacles, carefully with out destroying the screens. Then I put the muffs on the drive and use water pressure to flush em out. It would actaully be easier to clean it out if the screens were not there...but I am able to do this without breaking them up and keep the intakes pretty clean. As long as there is nothing growing in there blocking the water intakes I would not bother, but if you have to split the upper and lower to replace seals then you can replace em...