I am having a problem with my Craftsman 42" 917.270750 riding mower. I am having a big problem with the deck belt on it. Over the past years I have had to replace the deck spindle and pulley on the left side several times. I may have run over things without seeing them from time to time but not anything that would do visible damage. I live out in the country on a dirt / rock road. I must put a new deck belt on often now because it stretches out just enough not to work after mowing most of the front yard. I am getting noise when I let the clutch / brake pedal all the way out now. The noise is not noticeable until pedal is all the way out. Motor running may be hiding quieter noise though. I have to keep the pedal about a quarter of the way down when mowing or the noise is as loud as the motor. Mower can be in neutral or any gear. The drive belt is new. I replaced it recently as the mower was getting sluggish to move when in gear. I just replaced the left (non discharge side) deck spindle and pulley again. The ears were broken off again. I have replaced this spindle and pulley several times over the years. Grooves in pulley are always worn smooth and hole is enlarged. I am thinking it may be a slightly bent engine pulley. This is the only thing I can think of. I do not see anything wrong with any pulleys when it is off.
How hard is it to replace the engine pulley? I think I would have to remove the mower from the frame to replace it, correct?
When I purchased the mower several years ago, there was no deck belt on it. The previous owner used the mower just to take the kids for rides, not mowing. He said the problem was with the deck if I remember correctly. I replaced the spindles, pulleys, and belt on the deck after I got it. It has been working, mowing, for several years since, but has never been 100% right it seems. The problem is now to the point that if I want to mow, I will have to replace the deck belt more than likely. I do not remember hearing the noise before I replaced the drive belt a month or two ago. Sometimes it is hard to get the shifter to move, but normally it drives fine. No noise from the wheel areas. As I say, if I let the pedal out, it makes a loud continuous noise. The two belts, drive and deck, are installed correctly.
Could the problem be a slightly bent engine pulley or does it sound like something else? It could not be a bent shaft coming out of the engine could it? The motor is strong and runs well for an old mower.
If anyone could possibly assist me in determining the problem, it would be greatly appreciated.
Thank you
How hard is it to replace the engine pulley? I think I would have to remove the mower from the frame to replace it, correct?
When I purchased the mower several years ago, there was no deck belt on it. The previous owner used the mower just to take the kids for rides, not mowing. He said the problem was with the deck if I remember correctly. I replaced the spindles, pulleys, and belt on the deck after I got it. It has been working, mowing, for several years since, but has never been 100% right it seems. The problem is now to the point that if I want to mow, I will have to replace the deck belt more than likely. I do not remember hearing the noise before I replaced the drive belt a month or two ago. Sometimes it is hard to get the shifter to move, but normally it drives fine. No noise from the wheel areas. As I say, if I let the pedal out, it makes a loud continuous noise. The two belts, drive and deck, are installed correctly.
Could the problem be a slightly bent engine pulley or does it sound like something else? It could not be a bent shaft coming out of the engine could it? The motor is strong and runs well for an old mower.
If anyone could possibly assist me in determining the problem, it would be greatly appreciated.
Thank you
Craftsman 917.270750 18hp Briggs 42" cut belt, spindle, pulley problems
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