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Massey Harris & Massey Ferguson Tractors Discussion Forum
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Re: Front Hydraulic pump drive shaft removal

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samn40

01-03-2013 01:26:00
81.131.135.92



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I may be wrong here as I am on the other side of the pond....but on our industrials with front shaft driven pumps, the hub on the front pulley of the engine is not splined, rather it is left hand threaded, the other end of that shaft, where the pump attaches is either internally keyed or splined on later models, and the only way to remove the shaft is as I said before. Maybe your machines have splines on each end? Check before going too far! Sam

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old

01-03-2013 15:57:38
209.86.226.34



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 Re: Front Hydraulic pump drive shaft removal in reply to samn40, 01-03-2013 01:26:00  
Most I have run across here in the U.S. on the tractors use a spline type shaft set up with a hub that bolts to the crank pulley. Then on the end the pump is at there is a keyed 2 bolt flange that has a set screw to bolt it to the shaft then a 2 bolt flange that has a set screw and key on the pump. I know of the left hand tread types but so far never ran into one yet. The spline type like to wear at the splines and that in turn causes the pump to stop being driven so you have to replace the hub and shaft if your smart that is. Seen many just do the shaft and find that they are doing it again very soon

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