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Lubricate with WD-40 After Use

8:06
9:19
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At 8:06 in

How to clean & rebuild a Graco Contractor II gun. Graco Sprayer Tips.

What happens here

As an extra tip for daily maintenance, after cleaning the sprayer and gun at the end of each day, spray the entire gun with WD-40. The WD-40 works its way down inside the internal rails and prevents paint from drying and gumming them up, ensuring the gun continues to work smoothly.

Goal: Maintain smooth gun operation and prevent paint buildup.

Tools and materials

  • Graco Contractor II Spray Gun Graco — The gun to be lubricated
  • WD-40 WD-40 — Lubricating the internal mechanisms of the gun

What they say

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ready to go. So, you can take that whole thing apart. What we actually do is we clean it with lacquer thinner. We'll soak the whole gun in lacquer thinner and clean a toothbrush. Put it all back together. And if the gun is leaking, we'll actually put it back together with a new housing. And that's your Graco Contractor 2 gun. How to service the gun, how to clean it, repair it. There's any problems with it. new filter. But this is my favorite gun, Chris. One tip with the contractor 2 gun is what we do is every single day after after we're spraying, when the sprayer is all cleaned up, we actually spray our whole gun with WD40. And the WD40 works its way down inside these rails and it keeps the the paint from gumming up the rails and keeps the the gun working smoothly. We'll spray it down inside here. Spray the the threads. Paint won't stick to the threads and it's always it just comes right off. So at the end of the day, we spray the whole gun with WD40. Very good tip. And once when we started doing that with our guns, our guns will go two three years without having to take them apart and service

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