Wheel Horse Weird spindle problem

Skyler

Member
Hi, I have a 312-8 with a 48" deck. The right spindle slowed to roughly 1/2 speed while mowing. I could tell as the right grease fitting was spinning slow and cutting not so good on that side. I just greased it before I started and heard a thud or something after a few minutes. Don't think I hit anything. Took off the deck and covers. One deck belt drives all pulleys. Everything looks fine. Idler, spring, tension, etc. I just don't see any damage. I held the spindle with my hand and the blade seems well connected. Everything moves and spins freely. any guesses before I put it back on? Thanks, Skyler
 
This is just an idea that possibaly you over greased it and it got hot and started to sieze up. After it cooled down a bit it was free again. Not sure if the blades spin fast enough to get hot from overgreasing or not. I know at high speeds it is very important to use just the right amount of grease for bearings. My mower has a decal on deck to give just 3 pumps with a long handled grease gun at 50 hours of use. I know a pistol type gun only gives half as much grease as the other type.
 
I am thinking the pulley is held on with a nut and lockwasher. See if the pulley spins on the shaft, be sure the lockwasher is intact and still present.
 

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