Cub Cadet center blade barely cutting


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Old 05-24-23, 09:02 PM
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Cub Cadet center blade barely cutting

Cub Cadet LTX1959. Was wcutting fine. Then I sharpened the blades. I know I put the blades on correctly and they are tight. Now when I mow tall grass the center blade is leaving a trail of tall uncut grass. The only thing I can think of is a loose belt, but wouldn't that make all blades cut bad? Can a loose belt somehow make only the center blade cut bad?
 
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Old 05-25-23, 04:00 AM
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Verify length of all blades. If OK, verify center blade is mounted correctly. If OK, verify blade belt is routed correctly. If OK, remove blade belt and verify all blade spindles rotate freely. If OK, reinstall blade belt and verify blade belt tensioner still has travel when tight. If OK, check deck drive belt tension.
 
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Old 05-25-23, 04:42 AM
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I have noticed that if you wait too long and the grass gets too tall, the front center anti-scalp roller tends to lay the grass down so it's not standing to be cut. When the grass is shorter it can stand back up to be cut but when it's too tall and heavy it tends to stay down when laid over, missing part of the center blade.
 
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Old 05-25-23, 01:30 PM
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First off I want to correct the model number. It is a LTX1050VT NOT a 1959. I guess my cataract was in my way.
Everything installed correctly, blade and belt. Spindles fine. I measured belt. I gut 162" but Cub Cadet site https://www.cubcadet.com/en_US/belts...954-04240.html says 162.9". I guess you get an extra .9" if you buy a $90.00 belt. I think I paid around $30. Anyway, I think my tensioner is at the end of its travel. I also think Pilot Danes theory about the roller holding the grass down is quite valid. Although I think the combination of loose belt and long grass is my issue. I'll see how it does on lower grass. I think the wear and glazing of the belt probably plays a role also.

Why would my belt of proper length allow the tensioner to be at the end of its travel? I think I'll measure the belt again.

P.S. I just had a thought. Do you measure the inside of the belt or the outside? I measured the outside.
 
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Old 05-28-23, 12:18 AM
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Outside. Make sure the center blade is right wide up and spinning clockwise.
 
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Old 05-28-23, 12:42 AM
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I guess you get an extra .9" if you buy a $90.00 belt.
​​​​​​​Why would my belt of proper length allow the tensioner to be at the end of its travel?
Belt length and tension travel are directly related. Doesn't take much change in belt length to effect how it performs, The belt length for the mower is fixed, there should not be different sizes used.
 
 

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