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Thread #431756 / / Total number of messages: 14 / Thread View Count: 3692 / Add thread to favorites:
aslomp 431756 160 Found a rock either
Found a rock
This is what happens if you put a rock trough a FX58
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Re: Found a rock
Bugger! How many $$$$ damage here?
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Re: Found a rock
yes rocks are hard here too can make a mess of a harvester thrasher too!:-[
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hi Aslomp, how many knives WERE in the cutter, 6? I have broken a couple of blades with stones and they go with an aweful bang. This must have given the driver a scare. Did he need a clean pair of jeans that day?
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Re: Found a rock
we hade the same here in holland last year.. that was VERY expencive..
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fx do that with out the rock to :-D
get a rock stoper they work graet
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Myes, and here you clearly see equipment has to withstand even things for which they aren't developed. But it happens. So one should take it in consideration.
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Neighbour did that a couple of years ago to one of his Claas 830's. Quite costly to say the least.

FH
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Re: Found a rock
The damage could have been worse, 3 knives out of the 6 are broken. The blower needed some adjusting as one padle was hitting the liner. The knives were only 20% worne down:-(. I had the machine going again this afternoon.
It happend so fast that there was not much of a bang, it went from 1200 rpm to 0 in half a turn.
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Re: Found a rock
a rock stopper? never heard of it?
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Re: Found a rock
Auch!!! Seen the same thing happening with a NH 1900 in the past, although that wasn't caused by a rock but a steel pin from a swather because the metaldetector didn't work.
The cab rattled on the machine when it happened. As stated by Aslomp above, from 1100 rpm to zero in half a second.
Parts of the blades were found in the silage trailer afterwards. Insurance didn't pay because metaldetectors are only guaranteed up to 97% reliability.
Blower was damaged, and 2 padles had to be exchanged, same for the 6 blades and a new drum as the axle was twisted too.
Total of the repairs was a little above 35000 guilders(about 16000 euro's). With inflation calculated in about 25000 euro's these days.
The only positive thing to it was that it was a rental harvester because the new ordered 2405 wasn't ready to be delivered until 2 days later. Imagine the feeling you had when it happened to a brand new machine.:-(

Oh, and yes, the driver of this machine did wet his pants :-D
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Re: Found a rock
The one my neighbour did was a huge destruction on the internals. After the repairs it was pretty much a new cutter setup. Cost about 30 grand.

Jos: you want a rock stopper in a self propelled harvester, if those stones have iron in them, yes the drum will stop immediately. But most stones don't have that. A rock trap like on the combines is also not an option since it is a totally different intake mechanism.

FH
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Re: Found a rock
a rock stoper is what a claas dealer in ab made you wier it in to your metl detekter and it cut the fear rols off and stopes the rock
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Re: Found a rock
Krone also introduced a rockstopper for their harvesters lately too. It can also be fitted to the older types.
Rocks are not a real issue over here, but having seen the damage on the pics above I can imagine how greatfull you guys must be that such additions actually coming for sale now.
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