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Engine Analyzer

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Matt

03-05-2001 08:09:20




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I need more help from some of you with experience. I have been reading the forum about checking the engine with a tachometer and checking the dwell etc. I went to a sale days and found a sears engine analyzer (model 161.2161) for $8.00 I tried to get a timing light too, but there was none to be had. It seems in good shape but it has been over 20 years since I have used a tachometer on an engine. I don't know how to hook the thing up to my M. Sears no longer sells a manual to it. There is no inductive pickup. It has one red and one black battery clip and one green aligator clip. It also has two spade lugs hooked up to a piece of metal that the parts on the sears page said was the amp shunt. I thought I had to hook up somehow to the coil or something to get rpm but my memory is really in bad shape. Can anyone help me and tell me how to use this thing? By the way, my M is converted to 12 volts negative ground.Thanks.

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Mike

03-08-2001 10:03:19




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 Re: Engine Analyzer in reply to Matt, 03-05-2001 08:09:20  
Don't know for sure about the analyzer you have, but a shunt is something that you put in line with current flow, and it outputs 1 mvDC (voltage)per 1 Amp DC (current). Typically, you unhook the wire that runs from the alternator or generator to the battery and place the shunt in line. Connect a DC voltmeter to the shunt leads and set the meter to read DC Volts. Set the meter scale to 300mV or 3 Volts, whichever is the lowest on your meter. (A mV is 1/1000 of a volt.)
Hope this helps.

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Matt

03-08-2001 16:24:09




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 Re: Re: Engine Analyzer in reply to Mike, 03-08-2001 10:03:19  
Thanks Mike. That's at least a starting point. I knew it was a shunt but wasn't sure how to hook it up. I'll try it and make sure it's adjusted as soon as I can get to the tractor. It's pouring rain right now and it will be a little wet to get to get to the farm.



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doc

03-05-2001 13:33:10




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 Re: Engine Analyzer in reply to Matt, 03-05-2001 08:09:20  
hook the green clip to the distributor side of the coil, red to battery power, black to ground. this will get you rpm's, dwell, and voltage. don't recall how to get amps. would not try that without the manual for the tester due to the amount of current and potential for damaging testyer or tractor wiring.



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CONRAD L. RHOADES Sr.

10-08-2005 20:12:06




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 Re: Re: Engine Analyzer in reply to doc, 03-05-2001 13:33:10  
Thanks DOC I have that analyzer and was looking for a manual to find how to hook it up. BINGO here is your DATA. GOD IS GOOD.

IN CHRIST
ACCOUNTABLE
Conrad



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Matt

03-06-2001 05:09:51




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 Re: Re: Engine Analyzer in reply to doc, 03-05-2001 13:33:10  
Thanks Doc. I was hooking it up to the wrong side of the coil. It works fine now.



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