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#Post#: 77088--------------------------------------------------
CS-590 Chain brake melt
By: shoesnsocks Date: April 25, 2017, 9:08 pm
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We had a customer buy a CS-590 last week and he brought it back
last night because he couldn't get it started. The other guy in
the shop attempted to start it for a few minutes and was
unsuccesfull. I tried to start it this morning and it would pop
like it wanted to go but wouldn't. A little bit of smoke came
out from under the clutch cover. The saw did not start and chain
never moved. I noticed that there was fuel coming out of the
muffler, so I took off the clutch cover in order to take off the
chain break in order to take the top of the muffler off to look
inside and thats when I realized the clutch cover was melted on
the inside. The clutch spring are wacked out from all the heat,
and a few other things are toast.
The customer said he never even got it started but tried pulling
on it for hours. The only time it was ever run is when I sold it
to him. I started it up and once it warmed up gave it enough
throttle to scream for a second or two then I shut it off. No
smoke and no smell of melted plastic. With the chain brake on
could you even get the chain to spin on one of these things?
Fortunately if it was my fault :-[ The parts probably won't
cost too much to fix it.
At this point I'm forced to believe that it was me since I'm the
only one who ever got the saw running, but i just can't see all
that damage happening with there being smoke or a smell of
burning plastic.
#Post#: 77120--------------------------------------------------
Re: CS-590 Chain brake melt
By: brokenbudget Date: April 27, 2017, 6:15 am
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He's feeding you a line of bullshit. He ran it with brake on
(obviously) so I would declare user error and/or abuse. Not your
fault nor is it echo's. I'd say it's on his dime to fix it. Show
him the damage and explain what happened to him and stick to
your guns about it.
#Post#: 77121--------------------------------------------------
Re: CS-590 Chain brake melt
By: shoesnsocks Date: April 27, 2017, 7:43 am
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Yeah that's what we're going to do. I watched the surveillance
footage of the sale going down and from what it looks like I get
the saw started and running with the chain brake on for maybe
ten seconds tops (I maybe give it throttle for a couple secs,
then I explain how to apply and disengage the brake) and it was
so fresh out of the box I don't think it was even putting any
power into the clutch yet. about 30 secs later the chain is
spinning full speed with the brake off for about 4 seconds then
the unit gets shut off and handed over to the guy. It was a
crazy busy day so I couldn't remember everything that went down
but I knew there was no way I did that without noticing
something was going wrong.
I talked with tech service about it and they said you could also
cause some damage if you push in the choke lever but never pull
the throttle and then let it idle for 5-10 minutes with the
brake on.
#Post#: 77132--------------------------------------------------
Re: CS-590 Chain brake melt
By: brokenbudget Date: April 28, 2017, 12:00 am
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If the customer didn't blip it off of high idle while the brake
was engaged, it's still his fault. You can only show them so
much. Either the person is a total idiot or he fully knew what
he was doing. Lots of info for them in the owners manual if all
else fails. If he didn't read it, too bad for him.
#Post#: 77698--------------------------------------------------
Re: CS-590 Chain brake melt
By: leec Date: June 10, 2017, 9:43 pm
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I picked up a cs306, rear handle Echo and it looks like the same
thing happened to it. Chain brake partially melted, sadly also a
scored piston. Put in a new piston and a Caber ring. Chain
brake only 50% effective, but if I bought a new brake I wouldn't
recover my costs. Echo parts are pricey and not many used bits
around.
#Post#: 77699--------------------------------------------------
Re: CS-590 Chain brake melt
By: 3000 FPS Date: June 10, 2017, 10:20 pm
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Yep I agree with brokenbudget the customer ran the saw with the
chain brake on. People who are not very familiar with
chainsaws do these kind of stupid things all the time.
I use to work in a shop myself and would see this from time to
time.
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