Author Topic: Picked of a used Dolmar 5100s  (Read 1884 times)

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Offline DB_43725

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Picked of a used Dolmar 5100s
« on: March 01, 2012, 02:11:09 pm »
Ok checked it out and it has no spark, was wondering is their any way to check the coil to tell if its good or bad ?  I thats not the problem maybe I can get lucky and its the switch. Any ideas would be helpfull.  TKS DB

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Offline 660magnum

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Re: Picked of a used Dolmar 5100s
« Reply #1 on: March 01, 2012, 04:45:50 pm »
You could disconnect the switch at the coil and take it out of the circuit.

The switch works by shorting out the coil to keep the coil from working. If you disconnect the switch wire at the coil, you eliminate any problem with the switch.
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Offline DB_43725

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Re: Picked of a used Dolmar 5100s
« Reply #2 on: March 01, 2012, 07:31:35 pm »
I done that a wile ago and sitll no fire,,so it about has to be the coil then ?

Offline DB_43725

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Re: Picked of a used Dolmar 5100s
« Reply #3 on: March 01, 2012, 07:37:28 pm »
O by the thank you for the info

Offline man of stihl

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Re: Picked of a used Dolmar 5100s
« Reply #4 on: March 01, 2012, 07:41:39 pm »
This may be silly question but did you try another spark plug?
Ron

Offline 660magnum

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Re: Picked of a used Dolmar 5100s
« Reply #5 on: March 01, 2012, 09:07:06 pm »
I looked in the repair manual and it talks about if you change the plug with one with the correct gap, inspect the high voltage wires, disconnect the stop switch, and set the coil gap at .3mm and no spark - to change the coil.
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Offline DB_43725

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Re: Picked of a used Dolmar 5100s
« Reply #6 on: March 01, 2012, 09:17:32 pm »
TKS 066,,,, I took the plug out ,disconnected the ground wire check gap and spun the flywheel by hand and couldnt get any spark period. I tryed to get sparkgrounding with a wire run outa the sparkplug wire about a quarter inch from the block and nothing. By the way how could I  come up with a service manual or a copy of one for the 5100 ? Any info would help very much.

Offline 660magnum

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Re: Picked of a used Dolmar 5100s
« Reply #7 on: March 01, 2012, 11:02:09 pm »
I was looking at the service manual for a Dolmar 6400 that I found on the Internet somewhere last year this time?
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Offline turbo885

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Re: Picked of a used Dolmar 5100s
« Reply #8 on: March 02, 2012, 11:26:54 pm »
 you are not going to get spark by spinning it by hand you will have to spin it with the recoil it has to spin fast    BILL
smittys saw and mower repair wampum pa
dealer for forester,laser,stens and oregon products
and wholesale firewood bundles.

Offline DB_43725

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Re: Picked of a used Dolmar 5100s
« Reply #9 on: March 03, 2012, 02:43:49 pm »
Thanks I didnt know that. But I finally got the tools to pull the muffler off and ring is welded to the piston in one place so I got more problem to deal with now,,,GRRRRRRRRR

 

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