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Curtis B.
Curtis B., Technician
Category: Small Engine
Satisfied Customers: 27065
Experience:  have worked on and around most engine models for 35 yrs./Polaris ATV expert
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I am having problems with the drive belt jumping off of my

Customer Question

I am having problems with the drive belt jumping off of my cub cadet
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: At least once a month for the past 4 months. I did order and replace all belts
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: no everything else is ok
Submitted: 7 months ago.
Category: Small Engine
Expert:  Curtis B. replied 7 months ago.

Model number of mower? Rider mower I assume. Are all the belt guides in place and close enough to the pulleys to keep belt from coming off?

Customer: replied 7 months ago.
13WX90AS056. Yes on keepers
Expert:  Curtis B. replied 7 months ago.

See link above. Two belt system, with variable pulley between. Long belt coming off?

Customer: replied 7 months ago.
Customer: replied 7 months ago.
No
Expert:  Curtis B. replied 7 months ago.

?? Yes, No? Long belt or short belt, is the variable pulley free to spin? Bearing not bad in variable pulley?

Customer: replied 7 months ago.
long belt. Pulley spins freely. Bearings are ok
Expert:  Curtis B. replied 7 months ago.

Idler pulleys ok? Turn freely? No excessive vibration when belt is turning?

Customer: replied 7 months ago.
No vibration that I can feel
Expert:  Curtis B. replied 7 months ago.

I s the tension spring keeping the belt tight? # 27 in the parts diagram??

Customer: replied 7 months ago.
Seems to be working
Expert:  Curtis B. replied 7 months ago.

Belt has to be tight , pulleys have to have good bearings, guides have to be in place, and Belt has to be right length.???

Customer: replied 7 months ago.
I have read that numerous owners are having this trouble. Seems to be a design flaw
Expert:  Curtis B. replied 7 months ago.

This is the same setup that has been around fr years, The deck belts are the problem areas. Can you determine which pulley belt is coming off of first?