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Have a Little Project of My Own [message #287188] Fri, 16 January 2015 19:47 Go to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Today I was given an old chainsaw by a relative to check and possibly fix.

He put it away years ago, found it recently and decided to give it a shot. I would have told him to throw it into the scrap heap... had it not been an Echo 351.
It was only made between 1977 and 1979, so it's almost as old as me... but here's the good thing: these things are as tough as nails. Think the Toyota Hi-Lux of chainsaws and you get the idea.

Tomorrow I plan to check if the engine hasn't seized. If it still turns over smoothly, I'll get to work to get it running. Wink
Re: Have a Little Project of My Own [message #287198 is a reply to message #287188] Sat, 17 January 2015 12:27 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Good news. Engine isn't seized.

Pulled out the ignition assembly, cleaned it, put it back in got great spark right away. 35 years old, neglected and it's way, way better than my 6 year old weedwacker. Laugh

As I suspected it's a non-starter but... put a drop of premix in the carb and it sputters to life right away.

This means a new fuel line and full carb rebuild. Should be pretty straightforward. If I figure how to pull out that damn carb, that is. I will post a picture of it because it's one of the craziest installations I've seen in my life. Wink
Re: Have a Little Project of My Own [message #287201 is a reply to message #287198] Sat, 17 January 2015 16:53 Go to previous messageGo to next message
Yorkie is currently offline  Yorkie   United Kingdom
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(8) Moto2 GP Racer

Can't beat a good challenge for these boring winter weekends smile
Re: Have a Little Project of My Own [message #287202 is a reply to message #287201] Sat, 17 January 2015 17:20 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Yorkie wrote on Sat, 17 January 2015 17:53

Can't beat a good challenge for these boring winter weekends smile


The only challenge here is

1)To find parts for a 35 year carburetor
2)Getting said carburetor out

I have never been good treasure hunts but now we have the Internet! Wink

Re: Have a Little Project of My Own [message #287224 is a reply to message #287202] Mon, 19 January 2015 13:26 Go to previous messageGo to next message
gone2 is currently offline  gone2   Netherlands
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(15) Kenny Roberts
..and 3d printers...but probably diaphragms are what you really need. And those bloody annoying little flap valves, but that material is probably ok for 35 years in the dark...

[Updated on: Mon, 19 January 2015 13:29]

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Re: Have a Little Project of My Own [message #287228 is a reply to message #287224] Mon, 19 January 2015 18:38 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
oldbastard wrote on Mon, 19 January 2015 14:26
..and 3d printers...but probably diaphragms are what you really need. And those bloody annoying little flap valves, but that material is probably ok for 35 years in the dark...


My money is on the diaphragms and crud left by evaporating unleaded in every nook and cranny. It's very likely the rest is all in at least acceptable shape.

I've found the correct repair kit on Amazon but like Hell I am going to pay that much for shipping. Grin
Re: Have a Little Project of My Own [message #287235 is a reply to message #287228] Tue, 20 January 2015 09:35 Go to previous messageGo to next message
Gearbox is currently offline  Gearbox   United Kingdom
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(15) Kenny Roberts
This any use?
Re: Have a Little Project of My Own [message #287256 is a reply to message #287235] Tue, 20 January 2015 21:44 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Gearbox wrote on Tue, 20 January 2015 10:35
This any use?


It's great to have at hand, but hope not to have need for it. Thumbs Up
Re: Have a Little Project of My Own [message #287690 is a reply to message #287188] Sun, 01 February 2015 12:42 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Found a rebuild kit for the princely sum of 9.29€ including shipping. If it works, it will be the cheapest restore in the history of this section. Laugh
Re: Have a Little Project of My Own [message #287692 is a reply to message #287690] Sun, 01 February 2015 12:44 Go to previous messageGo to next message
Quazi is currently offline  Quazi   United Kingdom
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(22) Giacomo Agostini
Bargain Thumbs Up
Re: Have a Little Project of My Own [message #287931 is a reply to message #287188] Fri, 06 February 2015 19:12 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Carb rebuilt. Fires up at second pull but dies down.
Will surely need a new fuel line (it's still on the original item eek ), a carb tune up (how I love those L/H screws! Laugh) and perhaps being rinsed in carb cleaner for a few extra hours. Wink

On the down side the bar is badly worn in a couple places. That's what you get if you don't turn it around each time you take off the chain. Thumb Down
Re: Have a Little Project of My Own [message #288042 is a reply to message #287188] Mon, 09 February 2015 18:48 Go to previous messageGo to next message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Things have turned for the worse... testing turned out there was what I suspected was an air leak.
Upon closer inspection I found a number of air leaks. Laugh
They can all be fixed with a bit of ingenuity... but it gets worse.

When the saw was running it immediately became apparent the oil pump is shot. It spits out oil with a vengeance even at minimal setting. That I cannot fix and pattern parts are not available.

A pity, as the engine is as sound as it can be, the carb is now as new and the ignition is a marvel. But a new chain and bar alone would make the operation uneconomical.

Thinking of breaking it up for spares... think
Re: Have a Little Project of My Own [message #288048 is a reply to message #288042] Mon, 09 February 2015 19:14 Go to previous messageGo to next message
Kermit is currently offline  Kermit   United Kingdom
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(22) Giacomo Agostini
pity defeated at the last.

Spares? you have another one or are parts so rare that sticking them on ebay will probably bring in nice rewards?
Re: Have a Little Project of My Own [message #288053 is a reply to message #287188] Mon, 09 February 2015 20:06 Go to previous message
Kakugo is currently offline  Kakugo   Italy
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(18) Geoff Duke
Still not defeated, but needs to hear from my uncle how much money he wants to pour into the thing. So far it's less than 10€, but the total could easily climb into three figures. think

And yes, the spares would end up on eBay together with those from the brushcutter I dismantled last week. Wink
My present chainsaw is a Stihl so zero part commonality...
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