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67L36Driver

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We all know the drill. After a fuel system overhaul one primes and pulls several times to get fuel into the carb.

Not having the energy to do that multiple times on this 056 Super, I heated the tank with a blow dryer.
c59640b32a466158d5bbaba1dfb8011d.jpg

Used vapor pressure to fill the fuel line.

Old devil ran on the third pull. [emoji6]
 

Nutball

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Or a little starting fluid with the choke on. Note too much starting fluid will simulate flooded conditions
 

Derf

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If the tank vent operates properly, I'm surprised there was enough pressure build up in the tank to push fuel through the fuel line.
 

redline4

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A few weeks ago when it was -15 or so, I had my J-red 630 in my truck.
I brought it into the shop at work and set it on my bench. About 15 minutes later, I noticed a fuel odor and saw it was sitting in a puddle.
Just the change in ambient temp was enough to build enough pressure in the tank to push it out the sintered fuel tank vent.

I fight pressure rise on cars in weather like that when coming in out of the cold and diagnosing evaporative emissions systems too.
 

Al Smith

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Well ya gotta do what you gotta do at times ,can't argue that .I screwed my shoulder up firing a 200 T with it above my head in Oct that is just now getting back to normal . I keep forgetting I'm not 30 years old any more .
 

Basher

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On every saw I've worked on the tank vent allows pressure to come into the tank not out of it .
You havn`t worked on the older saws from when a length of fuel line with a grub screw acted as a vent, older pre emission saws vented both ways.
 

Al Smith

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Depending on the make the tanks could have a cap with a check valve .If the check fails they have a tendency to spout fuel like old faithful . Those are real old .
 

Pony

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You havn`t worked on the older saws from when a length of fuel line with a grub screw acted as a vent, older pre emission saws vented both ways.

Actually I have an old stihl 021 with exactly that type of vent. I'm not arguing with you as it's been a while since it needed any work but I do remember that it held enough pressure in the tank that when I took the carby off without releasing the fuel cap fuel kept shooting out the delivery line until I finally collected my thoughts enough to release the cap.
Same with the stihl 041, 056, 076 and I'm sure others, that had the vent in the fuel cap. To my way of thinking when the cap starts venting fuel it's time to replace the small screw and tube which fixes the fuel leak.
 

67L36Driver

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The client/owner of the 056 lives near Lincoln, Nebraska. With all the flooding along the Missouri River, he can’t get to St. Joseph to retrieve his saw.

Interstate 29 is closed from the Iowa line to 30 miles north of Joetown.

[emoji90]
 

hseII

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The client/owner of the 056 lives near Lincoln, Nebraska. With all the flooding along the Missouri River, he can’t get to St. Joseph to retrieve his saw.

Interstate 29 is closed from the Iowa line to 30 miles north of Joetown.

[emoji90]

Dang!!

I’ve eaten lunch in St. Joseph.

Hopefully they will all Survive & get back to Normal very Soon.


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