Echo 452VL Help ...

[dtnodya]

I got a John Deere 45V for 15 bucks (same as an Echo 452VL) and I'm having some trouble getting it to run. It has spark and compression, will run good if I pour some gas in the carb but dies after the fuel is burned off. I've read through a couple threads but can't quite put my finger on it.

I know it obviously has to be fuel related .. I cleaned the carb (didn't do a rebuild kit) also cleaned the filter, and lines. It doesn't seem to be getting any fuel at all to the carb. Any advise?? Especially if anyone has worked on this saw before because it's kind of odd IMO..

 

[sawjo]

Check fuel lines carefully. That vintage of Echo's use plastic blocks and grommets to make up their fuel plumbing.

 

[dtnodya]

I don't know what you mean by plastic blocks .. I took the line going to the filter off and the line going from the filter to the carb off, cleaned them, put back together .... Maybe I'm missing something?

 

[sawjo]

Maybe I am thinking of alittle 351VL I worked on but I thought the 452 was the same. The fuel line went into a block or rubber plug and then the plug went into the side of the fueltank/case. There was another line attached to the other side (in the tank). Also, I believe there is a hole on the carb mount that leads to the crankcase for a pulse. Take off the carb and check the condtion of that.

 

[dtnodya]

OK, yeah that makes sense .. I did take off the carb and the plastic mount, cleaned out that hole BUT the hole which goes into the block may be gunked up. How do I go about cleaning that hole? Just spray carb cleaner? Won't it push the gunk into the crankcase or does that matter? I hope I'm thinking of what you're talking about because that would make a lot of sense!

 

[dtnodya]

Well, I went back outside, tore it back down with serious speed, cleaned the hole that goes from the plastic (intake?) piece to the crankcase by spraying a couple quick shots of carb cleaner ... then hit it with the shop vac ... Put it back together, pulled it twice and it fired right up. Thx for the advise and maybe someone that has a 452VL might find this helpful ...

 

[Bob Wright]

One other thing to keep in the back of your mind, on the 1970's Echo's the fuel lines get soggy with all the fuel additives over the years and they will suck shut when trying to run even though they look fine....Bob

 

[andrethegiant70]

I just did the fuel system on a 452. The hardest part was the carb... getting it out of its little enclosure was a head scratcher. Once I figured it out it was a standard Walbro carb job.

I DO recommend replacing the fuel lines.. mine were indeed of the soggy variety.... the stock parts can be replaced with flexon and a generic fuel filter. The only thing that the stock fuel line has over generic fuel line is a little rubber flange where the line enters the carb box (to keep crud out). A dab of silicon should fix that.

Those saws are built like tanks... a little heavy but beautifully designed.

 

[Dok]

I have a 452VL with the same problem. I have rebuilt the carb and cleaned out the port and it still won't flow gas. I think you are right about the fuel lines, they are a little soft. I'll replace them and see what happens- thanks for that info!

What were they thinking with that @##@%# box around the carb :bang:
Brad

 

[andrethegiant70]

Good luck with it! I got mine as a pretty clean non-runner with the intent to sell it. I'm pretty impressed with it and contemplated keeping it.. seems like it would be a terrific little firewood saw. I guess I can't keep 'em all...

 

[Dok]

Same here Andre, I bought this one at a garage sale. It has great compression and it pretty clean. Once I get it running, who knows? Like you said, cant' keep them all. But I can try :biggrinbounce2: It seems like a good little saw!
Brad

 

[Diesel JD]

Keep it and put a bow guide on it, then the weight doesn't matter nearly so much hehe.

 

[dtnodya]

I have a 452VL with the same problem. I have rebuilt the carb and cleaned out the port and it still won't flow gas. I think you are right about the fuel lines, they are a little soft. I'll replace them and see what happens- thanks for that info!

What were they thinking with that @##@%# box around the carb :bang:
Brad

When you clean the ports, make sure that the hole/slot in the plastic piece that the carb mounts to is clean and then do the hole that goes into the crank (if you didn't already) ..

You guys aren't kiddin' about that box around the carb. Big time wtf! I still don't know how you are 'supposed' to get the carb out. I did like an angle-pull and then putting it back in is a challenge also. There's a lot of little weird things like that with the saw ... I like it though.

 

[dtnodya]

Anybody know where to get a gas cap for a 50V (echo 452vl) or any other cap that would work?