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Post by edgeandengine on Mar 29, 2008 16:35:41 GMT -5
Is there any way to test 360 transformers without the saw?
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angel
Collector
Posts: 75
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Post by angel on Mar 31, 2008 21:57:25 GMT -5
Hey I was wondering when I would hear from you. There should be some kind of reading across the two spring terminals and from each terminal to the spark boot on a good transformer. I'll get mine out and mess with it next time I get a chance.
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Post by edgeandengine on Apr 1, 2008 5:14:14 GMT -5
Oh boy, did I not send you a pm, Joseph? It slipped my mind...I received the test stuff several days ago, sorry about not letting you know.
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Post by lesorubcheek on Apr 1, 2008 6:51:54 GMT -5
Here's some readings I've taken previously from a known good transformer.    I wish I knew a way to check the trigger module using a meter, but unfortunately I don't have that one figured out yet. Dan |
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Post by edgeandengine on Apr 1, 2008 12:21:26 GMT -5
Thanks Dan, I have several transformers that I need to find out if they're OK or not. As far as the other module, we have a Graham coil tester that would should work, I haven't tried it with the 360 module but I've tested SXL coils with it.
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angel
Collector
Posts: 75
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Post by angel on Apr 16, 2008 21:37:49 GMT -5
I am at a bit of a standstill with my 360. I can't seem to find the problem with the ignition, and aa Dan pointed out theres no good way to check the module with a multitester, I already tried a simple continuity check and it was inconclusive. I've already stuck a lot of time and about $30 into my "free" 360 and I don't want it to beat me! I'll try the transformer test shown above and go from there.
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Post by edgeandengine on Apr 17, 2008 6:04:31 GMT -5
I tested a few tranformers I had, 2 of them showed that same reading and one showed nothing, which I figure indicated that it was junk.
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Post by lesorubcheek on Apr 17, 2008 7:19:56 GMT -5
angel, one more thing to check is the transformer receptacle where the transformer screws into. One lead on it should be a ground reference and the other comes from the trigger module. I've found a couple of times where the spring leaves on the transformer were not contacting the receptacle and caused no spark. Also, its good to make sure the ignition switch doesn't have a short to ground when in the "on" position. Don't give up, 'casuse these are great saws!
Dan
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Post by RBW on Apr 17, 2008 10:04:26 GMT -5
In addition to what Dan just mentioned theres this. The 350/360/450/550 all ground one side of the transformer to the chassis via direct contact between the chassis and the transformer mount. The case on these saws is often corroded in this area and the system will lose ground as a result. I take a jumper wire and the correct terminals and jump from the ground side screw to the cylinder or case directly as is done from the factory on the 650/750. I Solved some reliability gremlins this way on my 450.  |
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