If it fails to spin like a motor when voltage is applied from its ARM post to case frame (ground), I suspect the Armature might be bad, although other field or brush problems may still be at fault !!
Does it show any burned places or melted solder where its windings meet the commutator?????
Any classic electrical burned smells???
There should NOT be continuity from any commutator segment to the steel center shaft or any other metal CUZ THATS A SHORTED ARMATURE WINDING. An ohm meter or DC continuity tester can easily test for that.
With the armature removed the 2 field windings in series as measured form ARM post to FLD post should be in the vicinity of 3 to 6 ohms, depends on what genny and if its 6 or 12 volt. INSURE the splice is good where the 2 field windings join together AND INSURE its NOT shorted to frame somewhere.
There should be infinite ohms OPEN circuit from ARM or FLD to case frame (armature removed) cuz if not one or both the fields or their splice is shorted.
The ARM post must be connected internally to BOTH the non grounded brush and the beginning of the first Field winding, the first field splices to second (be sure it is and NOT grounded), then out to FLD post.
Brushes and brush holds down springys all gotta be okay
Get it fixed, Im runnin outa smarts n ideas here lol
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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