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In Reply to: Zetor 3320 keeps stalling posted by Martin on Wednesday, August 27, 2008:
Martin,
same problem, but not quite 4 min. sometimes longer sometimes shorter, when running, does the glass sediment bowl look half full of fuel, and rest air. when tractor stalled, I cracked open the bowl and heard a vaccume like a pinched line somewhere, I eliminated the mechinical fuel pump, by first removing the pump from the tractor, take out the pushing rod which acuates the pump and reinstall the pump on the tractor, then acquire the correct sized bolts and plug the pumping holes in the side of the pump, I then purchased an electronic flow pump and not a pressure pump, mounted that up by the air cleaner uint along with an inline filter, and used all steel hard line no rubber except for connections, then ran it back into the existing canister filter on the tractor like normal. This is all new and will be testing this out this week.
It seemed as though I had a pinched line and was sucking a little air, just enough to creat a bubble in the sediment bowl and stall the tractor. Hopefully with this change out it eliminated the pinched rubber lines used. Also heard that the rubber used by Zetor was of poor quality and it tended to break down prematurely, was the inside of the rubber lines failing????
Eric
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