I replaced the connector with no change. Ended up taking the motor part way apart.
After pulling off the end plate with the brushes, I have 12-13 volts at the brushes with the switch on so everything up to the brushes appears to be in good shape. The armature is free and will move the pistons. (it has a gear that runs two pistons back and forth and I could rotate the armature back and forth)(I didn't try to spin it as it had some resistance). I put the juice to it and pushed on the pistons moving the armature and it didn't help.
The commutator or whatever where the brushes ride has 10 copper segments to it. All the segments showed continuity with each other with about 6 or 7 ohms resistance.
Any idea now what is wrong? I'm guessing an armature winding has a dead short although everything I can see from one end looks ok. Thanks.
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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