Hunter

When massaged seller he said saw runs fine. I have offered to visit to see saw running but he said he is not free, the following day I messaged again and he said sold subjected to collection but advert still out so not sure what is going on.

Does purge make it likely to be newish?, what year roughly was it added

No need really. I am occasional chainsaw user so no need but want it 😂😂

This came up for sale local to me. Guy said it has been in garage for sometime but has been running. He wants £175 for it. from picture it seems has been neglected. would you buy such thing. Not sure from picture if it is the oldest of the newest 353 so it could be 10-20 years old saw.

All sorted now. Used but genuine carb arrived from eBay, as expected it needed new carb kit. Fitted and saw up and running. just got carb toned. again thank you all for your help.

Tested both check valve with silicon tube. Problem seems to be the idle check valve, I can blow and suck air easily in both direction with no resistant at all. I compare itwith my other working carb where I can only blow air in but when try to suck air I can hear valve click and close. I have ordered genuine second hand carb from eBay. thank you all for your help. I have learned a lot from all of you.

Will check and report back. Thank you.

Picture is for the working carb. The other carb Seen in picture to the left.

I don’t have vacuum gauge. I guess problem is with main check valve which cause purge bulb to suck air rather than fuel from tank. am I right thinking that the main check valve located in carb main carb body (see photo ) and not on Primer side of carb as those part was replaced but problem exists.

I guess time to order new carb.

I even tried removing the metering needle completely just to see in fuel will be sucked.

Exactly this what I thought. part 40 and 35 in diagram and all things in between and above has been tested by replacing all of them from a working saw carb and the carb did not suck any fuel hence I conclude that problem in one on the a pathway in main carb body.

Done this already and it stayed depressed

Hi problem seems with carb body itself. There must be blockage in Fuel inlet pathway. as stated, I have exchanged all removable parts from another working carb and it did not suck any fuel.

Thank you for every body who tried to help me. I have taken carb out and connected and tested it with small container with fuel in it. When purge bulb pressed it doesn’t suck fuel and bulb remain empty however it push air in return line hence it was building positive pressure on fuel tank which lead to fuel squirting out of vent hole. I have pulled identical carb from another working saw and connected to same purge bulb and it worked at should. So I confirmed that the issue is with carb. I then checked the carb kit which i have replaced and it is in correct order, I also checked metering needle and in seems fine. At this stage I become desperate to find out what is the problem so I pulled all removable parts like metering needed, diaphragms and gasket from the working carb to the non working cab and tested it again and it does not suck any fuel! So problem most be with carb body itself. I have cleaned it again with carb cleaner and no joy. Aldo tried lifting metering needle but nothing worked. I guess I need new carb. I see there are Chinese one on eBay for £16 but do they work?

Thanks spud. the saw was working fine but due to I’ll health it was left unused for two years, actually all my saws were left unused and I am just started to sort them out. When saw tried with new fuel it was working but smokes a lot. I did put new air filter, checked compression it was 150, pulled muffler and piston like mirror. I already got unused carb it so I have tried it. I checked the kit order as per parts manual. I did not change purge bulb but tank vent. I will check purge with short pipe and fuel as suggested

Thanks guys which pipe should be blanked off please.

Thanks, yes all fuel line in right order. I think problem should be in carb sucking fuel from tank, which lead to high pressure on tank and fuel has to place to go except tank vent. I guess I may have to take the carb out and see

I have checked fuel snd return line and they are in correct order connection wise. When I did change fuel line I ask cleaned and put new kit in carb and pretty shore it was put on right order, done this few times before. Purge bulb got fuel in it but only small amount.

I see. Fuel line is new and no splits

Here is picture

I need some help please. I have changed fuel line in my husky 135 but now when I press purge bulb fuel comes out of tank vent. I have changed tank vent with new one and still having same problem. Also pressing purge bulb several times building positive pressure in fuel tank, once tank cover unscrewed you can hear pressure released. I thought I may have mixed the fuel lines but they seems ok. One line on right side rink from tank to right side of carb. Others long line run from tank to upper connector in purge bulb and finally one Sam line from purge bulb to left side of carb. What I am doing wrong? Saw fires first pull but would not run.

Thanks. Looking for more affordable option like the functional range for occasional use. I guess they are going to be better than the Oregon and they are roughly same price £75 or so.

It’s an old thread and one of the reasons I bought them. Tried mine for the first time today. they are very comfy and I forgot I wear chainsaw trousers however they are very delicate. this after only four hours work and came across few strands of bramble. very disappointed. how does STIHL SFUNCTION UNIVERSAL trousers in durability with bramble etc.

Thanks mate, really appreciate your help.