Posted by Roy Suomi on September 29, 2007 at 19:45:16 from (75.185.164.191):
In Reply to: JOHN DEERE 401-B posted by ALEXANDER on September 29, 2007 at 13:10:23:
On the fuel injection pump side of the engine , you will find a bolthead with a pin sticking out of it. The pin will be pointed to the front of the tractor back by the rear engine plate..Take the bolt/pin out and remove the timing cover..Stick a good sized screwdriver in to try to turn the engine over by engaging the screwdriver into flywheel teeth and prying flywheel teeth in either direction..If you can't turn it , disconnect the hydraulic pump drive coupling halves and try turning it again with a screwdriver..If it turns now , the pump has a problem..If it doesn't turn now , you might have a major engine problem..Take the engine oil filter off and cut it apart to check for a bunch of metallic particles in the filter media pleats..Check both sides of the pleated paper ...
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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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