Hi, DO NOT TURN IP BACKWARDS. Scribe at mark from IP hub to IP drive gear. This is your reference mark. As I described in my previous post the IP pump drive shaft only makes 1 rev for every 2 revs of the crankshaft that is the reason the timing and IP pump drive gear can be lined up perfectly but IP is 180 degrees or 1 rev out of time. To correct the 180 degree out of time, the IP hub and drive gear are scribed with a reference mark, then the 3 bolts are removed from the IP drive hub disconnecting it from the IP drive gear, then with a wrench on the big nut on the IP drive shaft turn the nut 1 rev in the direction of the normal IP rotation and align the scribe marks and reinstall the 3 hub bolts.The reason this works is the IP drive gear remains stationary while the IP drive shaft is turned 1 rev. If the engine is worse to restore back, repeat process and turn IP hub nut 1 rev in normal IP drive rotation.
Math: Crankshaft turns 1 rev or 360 degrees, IP pump turns 1/2 Rev or 180 degrees.
I hope you can understand my explanation and procedure to turn IP pump drive shaft 1 rev.
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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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