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Author Topic: Remote fuel and bar oil tanks for chainsaw based processor- Help needed  (Read 413 times)

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Offline Weesa20

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Looking to add remote fuel and oil tanks for my Wallenstein processor- anyone have a source for supplies or done this before (on a different processor?)
Will be running Stihl 441c on a chainsaw pivot. Thinking a couple 1 gallon tanks, a valve, petcock, filter, line, quick release, and a fittings to connect to the current lines on saw should do it. Worried about height compared to saw and flooding it (valve should help?) and viscosity of oil without the engine heat (not that it gets too cold here in NC, but have cut in the upper teens/low 20s*F)

Thanks for any insight!

W

Offline Gearbox

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #1 on: February 04, 2019, 09:30:53 PM »
Depending on the help you have around when you work . Most saws run 50 min on a tank . My 372 on the processer runs just short of a full cord on a tank . I only have to pull 2 pins to fuel up . I would get 2 new caps and drill and tap with 1/4 pipe thread and a barb fitting .
A bunch of chainsaws a BT6870 processer , TC 5 International track skidder and not near enough time

Offline Gary_C

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #2 on: February 05, 2019, 01:40:26 AM »
I once found out the hard way those small engines have small tanks because they are not made for continuous running. If you bypass that manufacturers limitation on continuous run time, expect to have burnt valves at minimum.
Never take life seriously. Nobody gets out alive anyway.

Offline barbender

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #3 on: February 05, 2019, 08:30:49 AM »
What valves is he going to burn in a chainsaw? 🤔😁
Too many irons in the fire

Offline Gary_C

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #4 on: February 05, 2019, 01:33:12 PM »
They call them reed valves (plates) and exhaust ports and yes, they are still valves for intake and exhaust.

My point is that small air cooled engines are not made for continuous running and especially chainsaw engines that operate in a dirty environment. The manufacturers have somewhat compensated for that inadequate air cooling by limiting the size of the fuel tank so the engine gets a break and hopefully the operator will clean out the accumulated junk.

I found this out one spring when I bought a trash pump to dewater a field and would refill the gas tank on the fly. Even though it was not a dirty environment, it did not take too many days before the engine would not start or run very well. I took it back for warranty repair and the shop knew right away the valves were burnt from continuous running. He still fixed it but it has never run right since then.
Never take life seriously. Nobody gets out alive anyway.

Offline Weesa20

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #5 on: February 05, 2019, 08:26:16 PM »
I appreciate the concern, but with the way the processor works the saw spends a good bit of time idling while I set the winch cable on the next stick to be processed. Otherwise no different than bucking up a log sitting on the ground.

W

Offline barbender

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #6 on: February 06, 2019, 04:02:45 AM »
I know what reed valves are, I have no idea how you would burn them up though. I am not aware of any 2 stroke chainsaw that has exhaust valves (just open ports). Any pro saw is rated for continuous duty, and I think the tanks are sized as a compromise between run time and weight. Who would want to carry around a saw with a 5 gallon tank on it?
Too many irons in the fire

Offline Gearbox

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Re: Remote fuel and bar oil tanks for chainsaw based processor- Help needed
« Reply #7 on: February 06, 2019, 11:13:40 PM »
My saw is in the cut every 8 to10 seconds and runs that way for 50 min. at a time . Run good oil and run the heck out of them . You can watch a video on here search BT6870 .
A bunch of chainsaws a BT6870 processer , TC 5 International track skidder and not near enough time


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