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[Gksportster]

Hello I have a harbor freight 2.0


The gun isn’t spraying the glue it’s like making loogies.
What do I use to thin it out to spray ?
It says sprayable but it’s not spraying
Thank you kelly

[BigRig]

Most cases your contact cement is aging. I do not use Weldwood so cannot comment. I have used Siphon Feed guns like that before and they spray fine for me until my contact cement thickens.

[Adam12]

Cover the orifice with your finger and give it a few sprays, see if that doesn't help. The guy that apprenticed me taught me to do this, i guess it puts back pressure and unclogs the vent or orifice. It always works for me even if it has sat with glue in it for months.

[Gksportster]

Thank you adam12
It’s always sprayed this way with the new gun I guess it’s old glue.

[Adam12]

I have been told that you can thin with acetone to revive old glue. Not done it myself but might be worth a try before you replacing the can.

[Gksportster]

I already have another can I will try the other can this weekend.
And use the old one for any brush work

[LLeeT]

Looks to be about the same quality gun as I use. I run about 60psi, and it works fine. If I need to cut the glue a bit thinner, I use a bit of Zylene. Zylene will clean a brush that has set up hard with glue.

[Gksportster]

Thank you i used the new can of glue eventually it worked good after getting the old glue out