All Replies on Duo Fast MS 7664 never had much luck

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Duo Fast MS 7664 never had much luck

by DangerDoug
posted 08-12-2017 09:12 AM

2 replies so far

View dhazelton's profile


2839 posts in 3209 days

#1 posted 08-12-2017 11:43 AM

“My one buddy said that’s normal and just tighten the single screw at the top of the head.
Is that the answer?”

Did you try?

I have a couple of tools that air escapes out of the connection where the hose attaches. Sometimes some wd40 shot into the hose end where the little balls are quiets it as it seats better. But basically just disconnecting them is the answer for me.

View DangerDoug's profile


88 posts in 2559 days

#2 posted 08-13-2017 08:31 AM

Thanks D,
No haven’t tried any thing yet. The gun won’t cycle at all,,, just the sound of air escaping.
Probably something in the head that is not moving, guessing that is the air valve.
I was hoping that could pop that off and lube it, get it moving again.

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