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#567707 - 04/30/17 05:15 AM Re: Painting a Volvo DP [Re: Capn Morgan]  
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Jack T Offline
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Southern California
• Apply the 2-Part Valspar finish coat

o Allow the primer to dry overnight, but two nights might be too long. Sanding is not necessary.

o To preserve the integrity of the O-ring groove and the mating surface, prepare a cardboard cover and attach it to the mating faces of the stern drive and the transom shield.

o Wipe down dirt or dust with a damp lint-free rag and let dry.

o Be sure to wear personal protection, respirator mask and protective gloves, latex or nitrile.

o A very close color match was available—much less expensive than having the color matched. The Valspar 2-part urethane color is Grey Metallic and the code used is 150-163402 OMR. The Color Map is G6335.

o Prepare paint can as instructed on the Technical Data Sheet. One can was plenty of paint for this operation. Note that the stern drive below the plastic cover was not painted and only the visible surfaces of the movable parts of the transom shield were painted with Valspar 2 part urethane.

 Two coats with 50% overlap per coat, 10-15 minutes apart (Flash Time), 77*F.

 If needed to fix a flaw, remove flaw and spray a third coat within 10 – 15 minutes.

o Wait 45 minutes to one hour and remove the masking material before the finish paint cures too far. The finish may still be soft, so be careful not to scrape off any of the finish.

o Air dry overnight and recoat if necessary. Sanding the finish coat is not necessary for subsequent coats.

o Turn can upside down and clear the spray valve.

o Pot life is 2 – 3 hours at 77*F. Warmer, less time.

Final coat looks pretty good. Hopefully, I won't have to do this for a long time--better if not at all.









In this photo, at the bottom of the 3-section O-ring, you can see the speedometer orifice.


I got carried away just a bit and got a couple of runs. Decided to just leave them there. Can you find them?







Have a great day of boating
2012 Monterey 224 FS,
300 HP Volvo Penta with catalytic converters

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#567710 - 04/30/17 12:55 PM Re: Painting a Volvo DP [Re: Capn Morgan]  
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Frantically Relaxing Offline
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Frantically Relaxing  Offline
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Great write-up thumb

Hours? I have 2 Alpha Ones to do smile

To be honest, I doubt they'll get anywhere near the attention yours got, especially considering they're 29 years old, and in the end I may end up replacing the housings anyway, especially if a couple show up for a good price smile

I got the drives off 3 weeks ago, I'm headed out to the lake today to sandblast the badly corroded areas. Then I'm bringing them home... I'm going to forego the Alumaprep, I'm figuring the sandblasting will be enough surface prep. Once home, power wash. Then I'm just going to drop the power washer's soap pickup tube into the bottle of alodine, and let the powerwasher douse it on. Afterwards, fill and sand the pits with Bondo. Then back to the lake next week, a quick light blasting to etch the drives for paint, then shoot 'em with canned black epoxy...

#567711 - 04/30/17 05:59 PM Re: Painting a Volvo DP [Re: Capn Morgan]  
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Jack T Offline
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Jack T  Offline
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Southern California
FR
Thanks for the compliment. First, I would highly recommend getting some detailed instructions from Mercruiser, especially which anodes to use in fresh water.

I would highly recommend you don't skip the Alumiprep33, because this is the only thing that will prep the metal for the
Alodine. There is enough of both chemicals in a quart bottle to do several outdrives.

I'll send a pm with pdf of how to use the two chemicals.

Also, you might find that using Bondo will work better after Alodine or maybe even primer. Leaving the aluminum uncoated for even a short period of time will contaminate the surfaces.


Have a great day of boating
2012 Monterey 224 FS,
300 HP Volvo Penta with catalytic converters

#569380 - 10/08/17 07:48 PM Re: Painting a Volvo DP [Re: Capn Morgan]  
Joined: Jan 2003
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Jack T Offline
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Jack T  Offline
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Southern California
Just checking in after the summer on the lake. No corrosion and the paint job and magnesium anodes are doing a good job. I did not take off the cover to look at the inside, but if it is a good as the outside where all the problems were, things are great.


Have a great day of boating
2012 Monterey 224 FS,
300 HP Volvo Penta with catalytic converters

#569386 - 10/09/17 08:20 AM Re: Painting a Volvo DP [Re: Capn Morgan]  
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captkevin Offline
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captkevin  Offline
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Glad to hear your paint job is holding up.


2004 Rinker 232
2010 Dodge Ram Crew Cab Laramie 4x4
#569399 - 10/09/17 07:26 PM Re: Painting a Volvo DP [Re: Capn Morgan]  
Joined: Jan 2003
Posts: 3,711
Jack T Offline
Admiral
Jack T  Offline
Admiral

Joined: Jan 2003
Posts: 3,711
Southern California
Holding up, for sure.

The stainless steel propeller, however, now has a fine rough coating, no longer shiny, that can be scratched off with a finger nail. I think it is magnesium that has transferred to the stainless from the magnesium anodes. Can anyone confirm that is probable?


Have a great day of boating
2012 Monterey 224 FS,
300 HP Volvo Penta with catalytic converters

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