Mower deck Kubota 121S 48" throwing belt

[kgw52]

Anyone having problem with belt being thrown, breaking?

 

[reynoldston]

Are you using a OEM belt?

 

[Ragnar4841]

Nope. 55 hours on mine and never had anything like that happen. Though I've never taken the mowing deck off either.

 

[kgw52]

Yes OEM and going by The book on operating. I can see belt markings on the deck.

 

[kgw52]

Are you using a OEM belt?

Yes

THanks

 

[kgw52]

Nope. 55 hours on mine and never had anything like that happen. Though I've never taken the mowing deck off either.

Thanks
KGW52

 

[reynoldston]

Anyone having problem with belt being thrown, breaking?

To break a new OEM belt you most have a bad alignment problem. Bent brackets, bent pulleys, bad bearings, broken spindle housing Maybe remove the deck and check out everything very close, like cracks where the bracket fasten to the deck, or worn out bushings and bolts. Did you hit something?

 

[mechanic mark]

To break a new OEM belt you most have a bad alignment problem. Bent brackets, bent pulleys, bad bearings, broken spindle housing Maybe remove the deck and check out everything very close, like cracks where the bracket fasten to the deck, or worn out bushings and bolts. Did you hit something?

Good post reynoldston.

 

[Ragnar4841]

Thanks KGW52

Are you engaging the PTO at full throttle? That could be stressing the belt or stretching it out. Always engage PTO around 50% throttle.

 

[kgw52]

To break a new OEM belt you most have a bad alignment problem. Bent brackets, bent pulleys, bad bearings, broken spindle housing Maybe remove the deck and check out everything very close, like cracks where the bracket fasten to the deck, or worn out bushings and bolts. Did you hit something?

Thanks
KGW52