MTD stops moving

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MTD stops moving

Jerry	I have an MTD garden tractor model 146S848H372. The problem is I can mow with it for about 15 min and it will slowly stop moving and after a few seconds the belt starts to screech..it runs fine and cuts fine it just stops moving....if I shut it off and restart it but shift to a lower speed say "5" ( out of 7) it runs fine but if I move it back up it slows to a stop....could it be the variable pulley...I replaced the finale drive belt and I think I'll replace the engine to variable pulley belt....I had been setting for almost two years so belt replacement is probably a good idea anyway...if anybody has any ideas I could ues them....
jed1950	usually when your problem happens both belts should be replaced and also make sure that the clutch/brake linkage is not binding and moves free,the vari-speed pulley has roller bearings on the top and bottom of the pulley ass'y lube the bearings and make sure that the center of the vari-speed pulley moves free and bushings are not worn,if they are it will bind and this could cause your belt slipping,I have some parts for these.
Jerry	I'll try that this weekend.....what parts do you have...just incase the new belt and a little cleanup doesn't work
jed1950	I have the belts,idler pulleys,vari-speed pulley assembly,blades and blade spindles

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