Fellin Feller
ArboristSite Member
I hear about people needing to break in a new saw. Is this necessary and if so how do you do it?
It seems hard to do since saws run at a high RPM.
It seems hard to do since saws run at a high RPM.
I've seen dealers from first start on a new saw hold them wide open.
Personally i always heat cycle new saws and rebuilds a few times.
Not so much break in, but seat the rings.I hear about people needing to break in a new saw. Is this necessary and if so how do you do it?
It seems hard to do since saws run at a high RPM.
Low compression, low power.what happens if the rings don't seat?
I cringed when my local Stihl dealer gave my brand new 462 a pre delivery inspection. Fresh fuel and bar lube and it must have been revving wide open for about ten seconds I think. It felt like ten minutes. I’ve never revved anything brand new to full revs, just doesn’t seem right.
The trick is just run it normal ,the only way to harm it would be to overheat it.
I would assume it difficult to cause glazing in a chainsaw cylinder since their bores are very smooth and hard chrome or nikasil (even when new)with only very light cross hatching for oil retention plus they use a oil thats designed to burn away..hell maybe im wrong here but thats what I have gathered from my limited experience tearing them down and rebuilding them.On the other hand, if it's gonna blow up right out of the gate, better it blows up in the dealer's hands than yours...
Couldn't you harm a new saw by letting it idle for half an hour, glazing the cylinder and preventing the rings from ever seating?
On the other hand, if it's gonna blow up right out of the gate, better it blows up in the dealer's hands than yours...
Couldn't you harm a new saw by letting it idle for half an hour, glazing the cylinder and preventing the rings from ever seating?
Agreed it will do more harm than good not running WFO.It'll break in faster if you go to WOT instead of 3/4.
I think most of the responses here illustrate that there are plenty of ways to break in a saw which ultimately work just fine. Many people reporting that their saws "wake up" after several tanks. I'm lazy and impatient, WOT and bury the bar. Get the job done.
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