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Inspect and Replace Needle O-rings

6:21
9:19
106.2K views

At 6:21 in

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

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What happens here

Examine the removed needle, especially the small rubber O-rings located on it. These O-rings help create a seal and prevent leaks. The presenter suggests that if the gun was leaking, it's a good idea to replace these O-rings. Sherwin-Williams sells these replaceable parts.

Goal: Check and replace the O-rings on the needle.

Tools and materials

  • Removed Needle Assembly Graco — The part containing the O-rings to be inspected and potentially replaced
  • Replacement O-rings Sherwin-Williams — To replace old or worn O-rings on the needle for a better seal

What they say

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Now we just knock that needle and there's your housing inside the gun. And there's a little another rubber O-ring on there. You can replace that O-ring if if the gun's not leaking and you just want to service it. You can replace the O-rings. take a look at it, clean this, and put it back in. Um, sure sells this this little part replaceable. This ball's leaking. It's about $55 for this part. Once you get the new one, just

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