Question about Garden
I have the exact same model MTD tractor with same problem. It began when the bolt that extends through the idler arm assembly broke and subsequently damaged the pulley. Upon examination of the broken bolt, I found that the threaded end that extends below the deck is significantly smaller that the rest of the bolt. I got a larger bolt with the same size threads, bored out the hole through the deck and it made the whole idler assembly much stronger. the deck still has some vibration and some unusual belt harmonics, but it appears to be working. Compared to most other tractors of this size, this deck is very complicated.
Posted on Jun 15, 2009
Hey John..my name is Keith..and you can go to an online lawn mower parts site..and they will have a pic of the deck and they way the belt is routed...one of the sites is www.outdoordistributers.com ...i hope this will help
Posted on Jul 08, 2009
Get the model number off the tractor, go to:
enter the model number and you will find a manual with pictures of how to route the belts along with a lot of other good information
Posted on Sep 30, 2009
First things first! Before you installed the new belt, did you check
the blades and idler pulleys to see if they all turned freely with no
resistance while the belt was off and the blade brakes released? Release the blade brakes by engaging the handle with the engine off!
When you installed the new belt, did you put the back side of the belt against the flat pulleys and the inside of the belt in the V-pulleys? Did you double check to make sure you didn't inadvertently miss a belt guide getting the belt on the outside of it instead of underneath it. Did you look at the picture in your owners manual to make sure you had it routed correctly and make sure it is not rubbing against anything when you have the blade lever engaged? CHECK THIS WITH THE ENGINE OFF If you don't have your owners manual, look under the foot boards on the tractor, many of the Sears tractors have the routing diagrams there. If it is not there you can go to searspartsdirect.com , enter model number 917.257644 (NOTE the number difference) and look at the picture of the deck, it shows what the belt should look like when it is installed. You can also download an owners manual there. As best as I can remember, there is no adjustment for the idler pulleys.
Posted on Oct 25, 2009
Here's a diagram, not a great copy, but it may help:
The spring hooks to the idler arm on the opposite end from where the pulley is mounted. The other end of the spring looks like it hooks to a raised tab on the deck, straight behind the left mower spindle. Hope this helps you, please rate my solution if so, thanks!
Posted on Jun 08, 2010
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My name is Dane and I'll try to help you with your problem. I have given you the basic instructions here for mounting most john deere snow blades.
Here is a link to the parts diagram for the blade too.
You need to remove the mower deck from the machine, and you may have to remove the front bumper as well.
First, install the mounting brackets on the tractor. Align the holes in each mounting bracket with the holes in the tractor frame. Install using the kit that comes with the mounting bracket. Don't tighten this yet.
Next you should install the pivot support. Insert the pins on the right and left hitch plates into the notches on the mounting brackets. Install the pins and tighten the screws on those mounting brackets now.
Next you should Install the blade. Align the holes in the pivot support with the second holes from the end of the push channel assembly. Insert the channel pin and washer and secure with the spring locking pin.
Install the lift handle. Slide the lift handle rod into the end hole in the push channel assembly. Insert the lift link pin in the pivot support bracket into the lift handle rod. Add the washers and locking pin.
Now, Iistall the blade pivot rod. Either end of the blade pivot rod goes through the blade pivot shaft. The other end goes through the lift handle tube. Secure both ends with locking pins.
Lubricate the lift handle rods and pivot points.
Install the rear tire chains and wheel weights.
I hope I've helped. If you found this information useful, please leave feedback as deserved. Thanks! Dane
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