Collbran B
New Member
While rebuilding a Stihl ms390 I some how managed to break the brass nipple where the impulse line connects to the crank case. Has anyone replaced one? Any tricks to getting it out?
Impulse line nipple broke ms390
- Thread starter Collbran B
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Welcome to AS. Just grab it with a pair of visegrips and twist while pulling, it's just pressed in there. Do you need a replacement?
If you broke it off flush with the engine you can always drill it out but be careful what size drill bit you use..
cus_deluxe
Commie Satan turd
I would try to punch it out before i drilled it, can get that part from a dealer for a few bucks.
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You young guys are a bit rough on nipples,
Do you burn the saw with a cigarette too?
Etch a butterfly on the crankcase bottom?
Do you burn the saw with a cigarette too?
Etch a butterfly on the crankcase bottom?
Your sense of humour cracks me up, thanks for the giggle !
Sam R
8mm Socket
Actually there was a butterfly etched on the carb venturi of the saw we worked on in Silver class...
Collbran B
New Member
Yes I will need a replacement. I was going to use one from another cylinder that I have but can't get that one out. I tried pulling and twisting with pliers then I tried a punch but it was slightly too small and just enlarged the hole. I haven't tried the one on the good cylinder yet. Figured I better learn on the old one. I'll look for my bigger punch and try that.
Add heat!
JoshNY
ArboristSite Operative
Get a set of roll pin punches from Harbor freight. They are flat on the ends and won't wedge out the sides as you tap it out.
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Collbran B
New Member
That's a good idea. I was using a straight punch but it was just slightly too small
