We bought a new transmission fan blade, but after I got in to see the problem closer I really don't think it will make a difference. I just changed mine, however I had the radiator out due to head gasket and water pump replacement. Because this one wasn't dramatically cheaper, I think I'll stick with a John Deere belt. Loosen the two at the back lower side of the bracket. It appears that the fan is sitting too close to the pulley, but I can't see how to adjust the height next to the drive belt pulley. There is an adjustment to be made on the idler pulley, which is directly underneath the seat.
Remove the front hanger rod, including the hairpin and flat washer that hold the rod in place. Fit the transmission drive belt around the transmission drive pulley and tighten the transmission drive pulley belt guide retaining bolts to hold it in place. Guide the new mowing deck drive belt around the right side mandrel pulley and release the belt retainer. You may want to download and keep a copy for future reference. The tension pulley is bolted through a slot in the tension arm, and I think this is so you can fine tune the belt tension by moving the pulley back and forth along the slot. Unscrew the carb from the head. I have posted a video demonstrating the problem.
You'll want the brake in the released position for this step. Put the belt back on, without removing the deck!!! To install just go in reverse. Put belt on engine sheave first, engine sheave belt guard has a removable bracket two bolts, remove one and loosen the other, feed belt through trans. Replace the blade, install pulley, block blade from turning then tighten the top nut. There's a pawl lever sticking up on the deck lift shaft that you'll need to work the belt over top of to get the belt all on the same side. Should be a diagram in there. The tractor must to come to a complete stop when you release the accelerator pedal.
Make a note of how the belt wraps all pulleys and idlers. After you do this, the belt can be removed by threading it out from on top of the brake and lift shafts. Push the idler arm forward to align the adjustment bolt holes. Block the blade from turning by using a piece of wood wedged between the blade and the mower deck. John deere 225 toothed timing synchronous belt fits earlier lt133 lt155 lt166 with 42 dom deck ed replaces m127926 john deere lt155 drive belt auto routing for top 5 best john deere lt155 drive belts lt133 deck rotary flywheel idler lx172 wiring diagram library john deere lt133 lt155 john deere 225 toothed timing synchronous belt fits earlier lt133 lt155 lt166 with 42 dom deck ed replaces m127926.
Then from there it is a matter of loosening the pulley next to the frame and snaking the belt from around all the other pulleys in order to get it off. Slide the deck out from under the chassis …. I think you should be able to do this from underneath the tractor. The only thing you'll need to do to get the belt clear of these components is disconnect the steering tie rods. Push the accelerator pedal forward to engage the transmission forward; release the pedal to allow the tractor to come to a complete stop.
The belt is trapped between this little idler and the frame on the left side of the mower so you'll need to remove it. Push the free end of the transmission drive belt up through the transmission shifter hole in the lawn tractor floorboard. John Deere is among the top names in lawn and garden care, having produced its first lawn and garden tractor in 1963. Rotate and clamp middle sheave assy. Yes, when you release the parking brake and let up on the brake pedal, the belt should be tight. . You will have to loosen some of the pulleys but none have to be removed as I remember.
You will need to take a bar or wrench and release the tension on the belt and take the belt off of that pulley. Turn off the engine and remove the key from the ignition. If you need help finding John Deere Lawn Tractor Partsto view an illustrated diagram or call us at 1-855-669-7278. You can see a good view of the pawl in the picture of the idler in step 2. Please Subscribe to the channel and Thumbs Up our videos and be sure to 'Like' Us on Facebook for all the latest news and updates! The deck belt - you have to remove belt guards the rout the belt i always tell people to take a digital photo to refer bac … k to.
Use your 13mm socket to remove the tensioner idler sheave then remove the guide from the tensioner pulley to free the belt from the tensioner assembly. Once free replace the gasket and reverse these procedures I ran across an alternative on eBay, made my Stens. Taryl will show you the best ways to tackle this task. Fit the transmission drive belt around the top engine stack pulley. There is three bolts that connect the coupling to the engine, they are threaded right into the crankshaft. From there you will find a spring lever that holds the belt tight.