Question about Garden
The mower is a Troy-Bilt Pony, model no. 13AN77TG766, made in 2006, with a 17.5 HP B&S engine and 42 inch deck. The manual is available at
When mowing today, I found the deck belt kept coming out from around the right-hand Idler Pulley (near where the "PTO" cable is (incorrectly) shown attaching to the Deck Idler Bracket in Figure 17 on page 19; also in Figure 21 on page 23). There seems to be a vertical misalignment between the Engine Pulley and the Idler Pulley, so that the belt, coming off the Engine Pulley horizontally, runs into the top edge of the Idler Pulley (which isn't _meant_ to be horizontal, is it? 'Cos it isn't).
So you see that tab on the Deck Idler Bracket in Figure 17 next to the right-hand Idler Pulley? The belt squeezes between the rim of the Idler Pulley and the tab, getting a big groove worn into it, a puff of smoke (can't see it, but I can smell it), and no more power to the blades.
I probably put that belt back around the Idler Pulley about ten times today before I gave up and changed the belt. The other belt gave exactly the same thing.
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Posted on Jan 02, 2017
The adjustment is on the left rear deck hanger. Loosen the 1/2 lock bolt in the center of the large nut, then turn the large nut with a adjustable wrench or socket, if you have one that big, clockwise or counterclockwise to raise or lower that side to equal the right side height.
Posted on Jun 05, 2009
the engine will bog because the cutting blades are either cutting to much grass or the blades are touching the ground making it hard to keep rpm's then it will smoke a bit
Posted on Jun 08, 2009
If your going through belts that often you better order some spindle bearings and have them rebuilt,excess play in your deck spindles can cause you a lot of money repacing belts.
Posted on Aug 09, 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
The manual probably won't be of much help with this problem. Your transaxle may have seized up or failed due to the introduction of water into it. A lot of riders have had this problem, especially the ones with the DANA manufactured transaxle. I hope this is not your problem, and that the problem is in your shifter linkage between the lever and the transmission.
I am continuing to look for the manual. In the meanwhile, here is your complete machine with All parts, diagrams, breakdowns and part costs included. Hope this helps. It is sometimes tough to locate manuals as you have found.
Posted on May 21, 2011
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