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AP gun problems Post New Topic | Post Reply
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rafael espinal
Posted: Jan 15, 2019 12:32 AM
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AP gun problems
Hi fellas what’s up I’ve been spraying for about 10 year all kinds of different foam brand and always used Graco AP gun but this pass 2 months I am going through hell I can’t figure i start spraying and may be 10 to 20 minutes my gun starts nocking hard that it has broken a few mixing chambers I thought it’s was the air dryer gone bad may be moisture in the kind but it’s not that I bought 2 new Graco guns and the same thing happen they star nocking then the air stops coming out from the gun I take it apart and it’s foamed up all in side I don’t get it!!!! any ideas ...thanks
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