deck belts breaking

[bladerunner]

mtd yardmachine lawn tracter keeps breaking belts. any general ideas on why, other than correct belt size or put on correctly. replaced a couple of times successfully in the past but now they dont last more than a few minutes then the whole deck will begin to shake violently then belt burns up. pullys appear to be lined up fine, not a lot of obvious play in any of the pullys but one is definately scored. thanks

 

[cubby]

I would look a little deeper at that scored pulley and all the pulley and or any shaft bearings, it sounds
like a bearing getting ready to seize.

Also welcome to LMF......cubby

 

[reddragon]

this isnt right at all......look at the belt guides when the deck is raised and lowered....make sure the belt is routed properly....if its flopping....its either a too long belt or a pulley is loose...get back after you take a look:thumbsup:..............go head and give us the model/serial numbers of the mower too:thumbsup:

 

[bladerunner]

its the belt that is called for , tight when engaged, no flop when moved through the diff heights, and pulleys have no play.mtd yardmachine 17 hp, 42" cut, model 13ak608g062.

 

[ILENGINE]

Had a new Yard Machine in the shop a few years back that kept burning the deck drive belt. the problem was the paint on the pulley hadn't all com off and was create a rough spot when the deck wasn't engaged and would toast the belt in about 2 minutes so replace or smooth any rough pulleys because that could be the problem.

 

[reddragon]

ok....so were talking about your deck belt?...do you have the dual belt set up?..........like this? .. Parts and Diagrams for MTD 13AK608G062 (2000) ......if so...then which belt?

 

[bladerunner]

One deck belt

 

[reddragon]

look at the link i gave you and check out the single pto set up...make sure its routed properly....somrthing shredding your belts...look for any metal touching them in all positions...[blade engaged and deck lowered and vice versa]

 

[bladerunner]

No metal. And its routed correctly

 

[reddragon]

a picture of the damaged belt and mower would really help.....this is way too extreme..something is being missed!