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Author Topic: NO JOY, MS210 CARB REBUILD  (Read 3664 times)

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Offline ENTS

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NO JOY, MS210 CARB REBUILD
« on: July 13, 2012, 06:55:44 PM »
Not even a weak sputter.  I figured it would take a few min. to bring the carb. in after it started, but .....NOTHING.


Got spark (spark tester).  Even used starting fluid (I know, I know, but it was the last try).  Even if I really screwed up that carb rebuild (sorta hard to do) it should at least sputter with the starting fluid.


Any thoughts.


Fred Henry,  Over Worked, Under Paid

Offline Al_Smith

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Re: NO JOY, MS210 CARB REBUILD
« Reply #1 on: July 13, 2012, 07:05:32 PM »
It won't do anything ether or not if it's flooded .

Now I'm not going to scold you but just one little shot of ether like that on a two cycle is enough to scorch a cylinder .

Get a little squeeze bottle and put some mix gas in it instead .Fact is I cooked a cylinder just by  mistakenly using straight gas for a prime .It doesn't take much ,trust me . That was a sad sad day ,it was a pristene McCulloch 805 ,very rare . :(

Offline ENTS

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Re: NO JOY, MS210 CARB REBUILD
« Reply #2 on: July 13, 2012, 07:16:47 PM »
I know Al.  I've chastised others for doing the exact same thing.  It was a very desperate move.  I'll hit it again in the a.m.  I'm baffled. 

hope all is well,
Fred Henry,  Over Worked, Under Paid

Offline sablatnic

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Re: NO JOY, MS210 CARB REBUILD
« Reply #3 on: July 14, 2012, 03:02:06 AM »
Muffler or screen clogged, maybe?

Offline ladylake

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Re: NO JOY, MS210 CARB REBUILD
« Reply #4 on: July 14, 2012, 04:23:59 AM »

 Try a new plug.   Steve
Timberking B20 14000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline Al_Smith

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Re: NO JOY, MS210 CARB REBUILD
« Reply #5 on: July 14, 2012, 07:14:50 AM »
Got spark (spark tester).   

Any thoughts.
On that a neon type type tester will verify you have voltage at least going to the plug but not neccessarily jumping the gap .

With all that tugging on the rope trying to wear you out ,pull the plug and see if it's wet .If so blow the cylinder out with compressed air and try a new plug .

Offline joe_indi

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Re: NO JOY, MS210 CARB REBUILD
« Reply #6 on: July 14, 2012, 09:06:21 AM »
Disconnect the black stop wire from the ignition module before you try anything.That way you can be sure that the problem is not caused by the stop switch or shorting of its wires.
A different spark plug might be a good idea.
Squirt some fuel into the carb, with the spark plug removed and throttle depressed fully  pull the rewind starter a few times.
Refit the spark plug, move the control to 'Fast Idle' (start) and try to start it.

Joe

Offline 1270d

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Re: NO JOY, MS210 CARB REBUILD
« Reply #7 on: July 14, 2012, 02:31:04 PM »
Did you remember to hook up the impulse line? (If it has one im not familiar with ms210)  otherwise carb gasket could be blocking impulse port. Diaphragms reversed on the Fuel pump side of the carb?   

Seems weird it didn't pop on ether.  Did you try the gas method somebody mentioned?

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Re: NO JOY, MS210 CARB REBUILD
« Reply #8 on: July 14, 2012, 02:49:02 PM »
Muff screen -- no, cleaned that while I had the carb off
Stop switch -- no, all's clear there.  Been there before, learned the hard way.
Neon spark tester only shows potential to spark but does not really verify a true spark -- Hmm, have to play with that one.
Try new plug -- O.K.  Picked up a new plug today.  Gapped it and put it in.   8)

So I take the old plug and put it in a known working saw.  It starts and runs just fine.  Did I put that plug back into the original machine? -- Hope.  Let sleeping dogs lie.

The only thing I can figure out is that the moon and stars just weren't aligned properly yesterday eve. when I worked on this saw.  Yep, that's gotta be it.  It's my story and I'm sticking to it.


Hope all is well,

Fred Henry,  Over Worked, Under Paid

Offline Clam77

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Re: NO JOY, MS210 CARB REBUILD
« Reply #9 on: July 15, 2012, 08:24:34 PM »
Have you done a compression test yet??    :-\
Andy

Stihl 009, 028, 038, 041, MS362
Mac 1-40, 3-25

Offline ladylake

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Re: NO JOY, MS210 CARB REBUILD
« Reply #10 on: July 15, 2012, 08:37:38 PM »
Muff screen -- no, cleaned that while I had the carb off
Stop switch -- no, all's clear there.  Been there before, learned the hard way.
Neon spark tester only shows potential to spark but does not really verify a true spark -- Hmm, have to play with that one.
Try new plug -- O.K.  Picked up a new plug today.  Gapped it and put it in.   8)

So I take the old plug and put it in a known working saw.  It starts and runs just fine.  Did I put that plug back into the original machine? -- Hope.  Let sleeping dogs lie.

The only thing I can figure out is that the moon and stars just weren't aligned properly yesterday eve. when I worked on this saw.  Yep, that's gotta be it.  It's my story and I'm sticking to it.


Hope all is well,


 A little confusing, are you saying your saw runs with a new plug, if so good...   Plugs are funny sometimes, will run in one motor and not ther next.     Steve
Timberking B20 14000 hours +  Case75xt grapple + forks+8" snow bucket + dirt bucket   770 Oliver   Lots(too many) of chainsaws, Like the Echo saws and the Stihl and Husky     W5  Case loader   1  trailers  Wright sharpener     Suffolk  setter Volvo MCT125c skid loader

Offline Al_Smith

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Re: NO JOY, MS210 CARB REBUILD
« Reply #11 on: July 15, 2012, 09:37:12 PM »
Plugs in a chainsaw seldom go bad .Fact I have several that I've never changed in 35 years .On the other hand every so often there's an exception to the rule ,been there too .

Offline ENTS

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Re: NO JOY, MS210 CARB REBUILD
« Reply #12 on: July 15, 2012, 09:47:28 PM »
Gap on the old plug was .023, not enough off that it should make a diff.  I'll throw it back in the 210 tomorrow to see what happens. 

Compression test -- nope and didn't vac/pressure test either.   If after I set the carb it doesn't improve I'll start looking into the latter.

Hope all is well,
Fred Henry,  Over Worked, Under Paid

Offline joe_indi

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Re: NO JOY, MS210 CARB REBUILD
« Reply #13 on: July 16, 2012, 09:20:56 AM »
Even without the carburetor fitted, a few drops of fuel into the manifold and a couple of pulls on the starter should get that engine to pop at least once.If it does not do that, look at it logically.
An engine need fuel, air and a spark to run.
Fuel is in the engine. So also air. Spark? well it has sparked but was it at the correct time?
I would think not. So check the flywheel position on the crankshaft.

Joe

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Re: NO JOY, MS210 CARB REBUILD
« Reply #14 on: July 18, 2012, 08:59:04 PM »
O.K.  Got the carb. close to set.  However, don't know what the high end RPM setting is.  Hate to set this too lean (not my saw).  Anyone know what that high RPM is?

Hope all is well,

Fred Henry,  Over Worked, Under Paid

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Re: NO JOY, MS210 CARB REBUILD
« Reply #15 on: July 18, 2012, 09:06:54 PM »
JOE_

If this were a saw I had just picked up at an auction or junk pile I might think the timing is off.  However, it was a friends saw that was running crappy.  With my knowledge of how he treats his saws (very old gas is o.k.(sits around for months), cheap (cheaper the better) 2 cycle oil, etc.), I figured the carb needed a rebuild.  So, the timing (IMHO) is not an issue.  It's running pretty good right now with my mix in it.  Just need to know where to set that high end (don't want him to lean seize this thing)

Hope all is well,
Fred Henry,  Over Worked, Under Paid

Offline Clam77

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Re: NO JOY, MS210 CARB REBUILD
« Reply #16 on: July 18, 2012, 10:01:58 PM »
Idle speed - 2,800rpm

High speed - 12,500rpm

(Peak HP rating is at 9,000rpm)
Andy

Stihl 009, 028, 038, 041, MS362
Mac 1-40, 3-25

Offline ENTS

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Re: NO JOY, MS210 CARB REBUILD
« Reply #17 on: July 19, 2012, 07:17:52 AM »
Thanks C77.  I didn't think it was that high.  I'll set it at 12,000 just to be on the safe side.

Hope all is well,
Fred Henry,  Over Worked, Under Paid

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Re: NO JOY, MS210 CARB REBUILD
« Reply #18 on: July 24, 2012, 10:21:37 AM »
O.K.  Got this thing running -- well, better than it was.  Wont idle for extended period of time (> 1 min.) and turn the saw upside down and idle goes down.  I'm not digging any deeper into this saw. 

Didn't put that old spark plug back in either.  However, I do remember a strange thing when I changed out that plug.  A tiny guy in a long robe climbed out of the plug hole, said he was looking for his unicorn and an ark.  Said his name was Noah :-\   I'm thinking it wasn't a plug problem on that initial start up.

Hope all is well,

Fred Henry,  Over Worked, Under Paid

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Re: NO JOY, MS210 CARB REBUILD
« Reply #19 on: August 04, 2012, 08:54:01 AM »
The saw owner was over the other day cutting up some poplar I had no need for.  I was busy cutting close by but I was listening to his saw.  Just didn't sound right.  Top end wasn't there and it came off idle with a slight bog.  I set that carb with a tach (cause I don't have a good ear) but obviously I didn't get it right.  So I tweaked the idle up, leaned out the idle and high screws.  Ran much better.   I've heard before that tunning with a tack is o.k. but the proof is in the wood.  It also helps to be a few yards from the saw to really hear what it sounds like (well, for me at least).
Fred Henry,  Over Worked, Under Paid


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