Impulse hose barb fitting leaks

[jackjcc]

I bought 2 of the cheap ms390 cylinder kits a while back from HL. The barb from the cylinder that hooks up the impulse line fails a pressure test. It leaks from the base of the brass fitting. Anybody know how that fitting is installed? I’m going to try to remove it and epoxy it back in.


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[Leerod83]

I believe they are pressed in. Seems like I've read on here a similar problem and the nipple was either loctited or epoxied in place. Just be careful not to seal it off.

 

[HarleyT]

Leave it alone, just goop on some JB Weld around the base.

 

[Ozhoo]

Pull it out , grab it out the base with a pair of vise grips. I put a little 515 on them.

 

[jackjcc]

Pull it out , grab it out the base with a pair of vise grips. I put a little 515 on them.
View attachment 619729

Where do you get those from?


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[jackjcc]

It was pressed in crooked in looks like. I tried tapping in further and all it did was squish the fitting, still leaked. I’ll try pulling it out and putting a new one in. I have the red Stihl gasket stuff, figure that should probably work to seal it?


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[Ozhoo]

Where do you get those from?

One of those mystery parts that you acquire over the years. PM me your address and I'll send you a couple.

 

[HarleyT]

Pull it out , grab it out the base with a pair of vise grips. I put a little 515 on them.
View attachment 619729

OOOOooo, baby.....

 

[A_sharp]

I know this is an old thread but I'm having the same problem with the impulse line fitting leaking on a cheap cylinder kit for a MS290. I tried JB weld which helped but still did not pass the pressure test. Jackjcc, how did you make out fixing the problem. Appreciate any help!