Starter armature test Tecumseh 12hp
#1
12-20-12, 07:11 AM
Join Date: Apr 2007
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Starter armature test Tecumseh 12hp
How do I determine if the armature has a dead spot? I have to turn the starter once in awhile to get starter to engage flywheel.
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#3
12-20-12, 09:04 AM
Join Date: Apr 2007
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Looks like an 1988, it's on a craftsman 38" mower model 917-254620 Tecumseh #143.386012 starter #33605. I have replaced new brushes. It worked fine I may have overheated the starter at one point, saw some sparks come out of starter at one point. It will work sometimes but seems to land in a dead spot. I'll give the starter a manual spin till it finds a live spot. New battery also.
#5
12-20-12, 09:36 AM
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Had a broken wire on brushes so I replaced the whole brush assembly last year. Engine starter and work fine. I ran into the engine not starting and in the process may have overheated the starter. Is there a way to determine if I ruined the armature. No burnt smell whining look ok.Communicator is clean and no chips.
#6
12-20-12, 09:39 AM
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Sounds like rebuild or replacement time. How long ago did you replace the bushes? Did you check the armature at that time?
#8
12-20-12, 11:11 AM
Take an ohmmeter and check for continuity from each commutator segment to the shaft of the armature. There should not be continuity on any of them. If there is, it is bad. That is pretty much the only test you can do without a growler.
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