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You are watching: John deere stx38 yellow deck drive belt replacement


Would anyone happen to have any info, ideas techical information on exactly how to walk about changing the drive belt on a man Deesre STX38, Yellow Deck. I"ve heard it"s a little bit tricky and I desire to have some idea before I gain started. Thanks. :i_praying
I did a drive belt on mine scotts 1642, which indigenous what I know is pretty lot the exact same tractor. Ns dont know if the belt dimension differs indigenous a hydro come a hands-on shift, however mine to be a hydro and finding a belt to be a pain. I found that one sears sell for their 38" deck to be the very same size and fit well. To gain it on I had to remove the idler pully bolted on the bottom that the tractor and also while prying the tensioner pulley-block (one with the feather attached) through a raven bar I had to bolt increase the idler with the belt wrapped roughly it. It was a real tricky install that would have gone simpler with 2 people. As well as that part, the was reasonably easy and also I just complied with the course the old belt took.
I acquired this changed yesterday. I took some pictures as ns went along. As shortly as I gain them downloaded I"m walk to short article how ns did it to maybe aid someone else later with the very same porblem.
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I just reduced the old belt off. Now not discovering which would be much easier I put the brand-new belt over the rear sheave on top of the transmission. This photograph is the pulley with the old belt tho on it.

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I had to take it the guard turn off these two pulleys to the feed the belt. After ~ this, I had actually to take the two tie rods off and also feed the belt with this section. Currently I had to get the belt end the two front pulleys. Of food the PTO is in the way. Quite than take it the PTO off, I removed the belt guard, and also unplugged the PTO. The belt was now too short so ns pulled it turn off the rear transmission pulley and then fed the belt over the PTO and also onto the 2 front pulleys. This is the front of the PTO whereby I put the belt over the PTO:
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I then placed the belt on these pulleys and also replaced the guard and plugged the PTO earlier up (After cleaning the connections and putting some dielectric grease top top the connections to save out few of the dirt. Ns then relocated to the rear. Ns took turn off the behind belt guard and pushed the belt end the pulley. I then provided a wrench top top the idler pulley and also pulled it come the rear. This provided me sufficient belt to put over the transmission pulley. As soon as the belt to be on I replaced the behind belt guard. I then placed the mower down and cranked the up. I drove in all the gears and it functioned fine.One thing I did to be take the diagram indigenous the man Deere Website that present the illustrations of the various sections. Utilizing the one mirroring the drive belt, pulleys, idlers, guards, etc., ns reversed the diagram in photoshop. Like this I could see exactly how the belt would certainly look together it in reality looks from the bottm of the mower. I"ll write-up a pic the this later. Also, to remove the rear belt security I had to accessibility these 2 nuts indigenous the battery compartment.I hope this help a little. If anyone has any kind of questions, just offer me a shout.