Loosen the large nut holding the pulley to the input shaft, and disconnect the spring from the anchor bolt on the left side of the tractor. It is worth noting that the orientation of left and right is determined from the operator's position in the seat. Next, replace the pulley and re-install the new one. 4. The transaxle is now purged and ready for normal operation. I just never liked the way they cut on turns. Is this a problem with the drive-belt? Position the motion control levers in neutral (N) and disengage clutch/brake pedal. If there is interference with the brake/clutch pedal, your gear shifter may not come out of the neutral position. Adjust the ferrule with a new cotter pin as you did when adjusting the speed control linkage. Remove the bolts on each side holding the axle onto the frame and the front mounting bolts, and pull the transaxle out from lawn tractor. What's your design trend prediction for 2016? These HST trannies are considered throw aways since usually rebuilding them is a bout 75-80% of the cost of a new one. I opened the transmission to see if anything was warn. @verandssdnarev. Thanks, I have a MTD 12.5 hp 38 inch cut riding mower that was giving to me.I put a battery in it and it runs fine, but when I put it in forward or reverse, it doesn't move.Can someone help me out.Thanks Mike, My Craftsman riding mower jerks/surges while in motion, Craftsman 14.5 42 inch riding lawn mower gear sector. At this point, check the cruise control/parking brake adjustment on the variable speed belt drive with the parking brake engaged. It's possible your belt is old enough to have worn the fabric wrapping off as someone stated above. Blades and Mower Gear. Then, remove the bolt securing the crank shaft pulley (an air impact gun is recommended for this procedure). One cause of this issue is the transmission oil being low. Now you can remove your mower deck. Yes, the heavier weight oil will help for a while and then your problem will return. 10. Sit in the operators seat and start the engine. 18. Also, theres a metal tang/guide toward the middle bottom of the tractor that helps keep that belt on the pulley - I recall I have to bend that to get the belt onbut then also be sure to bend it back so that the belt runs nice and clear and cant pop out of there. This could be possibly a 2-part fix. 3. Posts: 486 A bolt loosens up that holds the flat gear. Mower on or off. I opened the transmission to see if anything was warn. I put about 1 - 1.5 turns on that bolt and noticed the linkage was reacting faster was I pushed the lever and the wheels were kicking in faster. Could it be bad? Disengage transaxle by placing freewheel control in disengaged position. I'm not actually sure how many gears the mower has because it has a hydrostatic transmission and a slide lever to speed it up or slow it down. Adam Arden, was mowing lawn and I was shifting gears alright then the next time I went to shift gear either forward or reverse wouldn't go but in neutral I can push the mower. If a front belt appears good, than it probably is and you are OK with installing just the rear as it wears much faster than the front. When engaging forward i get forward movement but unless i hold the shifter in forward it starts to make a clunking noise and eventually jumps out of forward to N. Everything looked OK. You then replace the wheel with the circlip / washer etc. They are often referred to as OPE belts. You may need an open-ended box end wrench to hold the nut on the back side of the pulley as you loosen the hold-down bolt. Belt was replaced a year ago, problem has been getting worse sense belt replacement. Repeat steps 6 and 7 three times. I have an older model Cub Cadet that bucks terribly when taking off going forward but is smooth as silk in reverse. There are no belts. Check the oil level and add oil if needed. Thanks for the step by step. When a riding lawnmower's mounting system is off balance, it affects how evenly the mowing deck hangs, and an uneven deck may affect the drive belt's operation and cause the belt to come off.. The black cable goes on the negative terminals. When disconnecting the battery, always disconnect the black negative battery cable first, then disconnect the red positive battery cable. Good luck . 3) Remove the drive disc from the trans and set aside. The carburetor mixes gas with air before the fuel goes into the cylinder. Yes, swapping in another good assembly is almost as easy as taking the old one out. Laura McClelland. Pull the lower drive belt towards the engine for removal. Re-install the spacer with the rounded shoulder towards the engine. Stopped by to say this worked for me as well. 16. 5. Unlike automobiles,. Tom is right about the brakes, I hope that helped. 17. -Allis Chalmers sickle mower, -RED windrow rake, -titan 48" 3000 pound forks/bale spear - Farm Star rear bale spear Yamaha Rhino 700, Yamaha Rhino 660, Murray 624 mower/38" deck. Next, remove the drive belt (to determine how to remove the belt, follow our instructions under the Belt heading above). BUT, if you have the runaway issue, that is internal of the transmission. Next, lift the seat to access the battery. Chris You can probably reach through the fender pan to remove the socket head screws from the tower and pull out the lever to take a look. That is about the best you can do. If your tractor is experiencing this problem, you will hear a noise coming from the unit during operation. While mowing along doing just fine, it will come to a sudden stop. I laid down on my side to look underneath it, I wasn't brave enough to actually lay completely underneath it. Or, is it something completely different? To replace this belt, first remove the cutting deck and battery. The air is purged from your system and your zero-turn mower is ready for action. Makes sense. Inspect the hoses and connections for damage or signs of leaks. This is because the axle on the changed wheel is turning inside the wheel, and without the square key, the wheel is not turning. I have same problem except lever wont go fwd OR rvs like stuck in park AND reverse. Wrapped belts are good for more horsepower. While engine is running, move throttle control to half (1/2) speed. Just to be sure, I ran the mower for a couple of hours hard with no hick-ups. Common John Deere transmission issues can vary by model, but a typical issue is the machine not moving with the engine running. Please can someone help me. I use it now mainly with the snowthrover attachment. See more Reply Save Like If the gas/air mix isn't balanced, the engine won't start or the engine will run rough and stall when you try to drive the riding mower. To replace this belt, first remove the cutting deck and battery. tomplum -It is not the brake.dynamike59-my belt is >15yrs maybe?mrtractors- my LT10 is from the mid 70's; (it does not have a separate differential); it has the original 11HP briggs engine, does not burn oil and even though it has been abused, it has been virtually trouble free. The belt has to slip to a degree in that pulley in order to disengage the belt. Apr 17, 2020 by It is designed to transmit power in forward and reverse, and transmit power to the drive wheels. Troubleshoot John Deere hydrostatic transmission problems, Troubleshoot Kubota hydrostatic transmission problems, Troubleshoot New Holland hydrostatic transmission problems. Your tractor operators manual will have information specific to your make and model, and will offer helpful information about where to find filters and other parts that might require servicing are located on your tractor or lawn equipment. Theres no need for gears, and changing speed is smooth and efficient. The best thing to do is to replace the transaxle assembly entirely, as rebuilding the inside requires great skill. Thank you so much for your instructions, I didn't this it would work but I had nothing to lose. With motion control lever in neutral position, slowly disengage clutch/brake pedal (lifting foot off of the pedal). Sitting in the tractor seat, start engine. Failure of any mechanical component, a broken hose, or clogged filter will cause tractor hydrostatic transmission problems. Mtd mower keeps jumping out of gear [ 0 Answers ] I have a 2008 MTD riding mower (mod#13AM762F052) . I repeated the process about 5 or 6 times and it took off!! It may not display this or other websites correctly. Sounds like some of you may be having a different problem than what I experienced - I was ready to pull the axle/drive apart but realized my drive belt had not broken but had stretched to the point where it wasnt getting good friction on the huge drive/clutch(?) Kyle Kosior, Verands sdnarev For a better experience, please enable JavaScript in your browser before proceeding. Very convenient. It will not move. Image source: Z915E ZTrak Zero-Turn mower with hydrostatic drive train, deere.com, Tractor Transmissions: Shuttle Shift, Hydrostatic, and Gear Drive. There appeared to be a bolt that was loose causing the control arm to not push down on the linkage assembly fully until the arm was sitting almost at the highest speed. Wear safety goggles and gloves, and make sure the ignition is off and out of gear. mowing around this weekend and went to reverse and shifter is just floppy. Mine seems to be in neutral. Move motion control lever to full FORWARD position and hold for five (5) seconds. Mower will both direction but when I pull the lever in the transmission it will not go in nutrual so I can push it, Sep 2, 2020 by The transmission will not engage until I have the drive hand lever (aka the foot pedal on the newer models) almost 2/3 of the way to the max and then . This can make the belt too long to work properly with the variable speed pulleys. Let us know when it starts to slip ;) !!! Are you saying it was doing the same thing before you changed the drive belt. I went through a couple of these mowers way back when. Confirm by rocking the tractor back and forth. You may need an open-ended box end wrench to hold on to the nut on the back side of the pulley as you loosen the hold-down bolt. I will give it a try! If there are no signs of fluid leaks or damage, it may be time to change your hydraulic and steering fluids. Jackie Houtchens. A sticking brake will do this. There's fresh metal surface where they've shifted. I have the lawn mower apart but cannot remove the old steering support staff or the gear sector. When it needs to be fixed fast and done right, call an expert! My husband had removed a rear tire for repair and it never moved again. The shifter handle to engage forward and reverse is on the left back wheel arch area. You will require a press to do this procedure. Apparently that did the trick. 1972 110 with hydraulic lift. Re-install the drive belt and the mower deck. Zero turn hydrostatic transmission problems can start with air in the system, a condition known as cavitation. *parts listed below*Full removal, diagnosis and repair of a 2005 Bolens Riding mower transmission That clunks/pops and lacks forward gear. Sure hope got the piece of shifter out of gearbox! 6. Remove the old bearing and replace it with a new one inside the pulley. Riding Lawn mower jerks on take off when put in gear I have a Craftsman 16 HP riding mower. are you sure the trans shaft is turning there might be a sheared key between the pulley and the shaft pull off the pulley and check to see if there is a woodruff key wissing or brokeing . If I stand it on end, the wheels spin - opposite directions - easily and the drive disk turns. Murray riding mowers require you to press the clutch/brake pedal before using the shift lever. Re-install the crankshaft pulley and apply anti-seize lubricant to the crankshaft. Remove from jackstands, start the engine, and disengage the brake. It's like the transmission locks. Disengage transaxle by placing freewheel control in disengaged position. Any suggestions on how to resolve would be welcomed! 4. Joe Crabtree. Thanks, Emilio Featured Answer tomplum 12 years ago The brake clutch pedal is at the front left of the machine. I found a good used replacement transaxle but there is always risk in the used one having similar problems. You can climb under there and take a look to see if this is the case, and use a wire brush wheel or similar to clean the pullies off. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. 14. When I engage the transmission catch (in lower back) in order to push it to the garage to look at it, My 3 year old Craftsman GT5000 lawn mower jerks and/or surges while in motion. If the detent is not positively felt and holding it's position under load, there is a risk of jumping out of gear or locking in two gears at the same time. Sit in the operators seat and start the engine. My craftsman mower wouldn't go into drive or reverse and then i purged it and now it will go backward in all gears but not forward .Do i need to keep purging it ? You are possibly missing the small key that locks the wheel to the axle, it can fall out if you have recently changed a tyre, simple fix!! Next, remove the belt guide from the variable speed pulley bracket (these are allaccessed through the battery compartment). parts listed below Full removal, diagnosis and repair of a 2005 Bolens Riding mower transmission That clunks/pops and lacks forward gear. The pulley on top of the transmission is spinning. It may not be a transmission problem, you may be able to fix it in a. 13. I have a problem with the craftsman 2000tractor and cannot depress the clutch pedal as it is solid +will not shift at all!!! Next, remove the hold-down bolt on the pulley. Remove your drive belt and check the inside condition of the pulleys. My problem is that when I'm going up or down a hill the mower will start jerking and finally it will just free wheel down to the bottom. I have checked the idler pulley & it seems to be working OK. I've been going through the exact same thing with my Husqvarna with the Hydro Gear tranny. Yes the mower transmission had the exact same symptoms before changing the drive belt. To replace the transaxle, first jack the tractor up off the ground and set the parking brake to release tension on the belt. Park the mower on level ground, set the parking brake, and put the rear on jackstands. worked fine previously. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Bearings are located between stationary objects and rotating shafts. You dont want it to wear by contacting that metal - but it also has to do its job and keep the belt on the pulley when clutching and theres slack in the belt. Could it need to be purged? A seized bearing can limit or stop the movement of a shaft. If any pulley is concaved, has deep grooves on the inside, or is bent, it will need to be replaced. With the old bearing replaced, you can re-install Bearings are located between stationary objects and rotating shafts. The rubbers ones from the hardware store are for "fractional horsepower" applications though they will sometime work in a pinch (while you wait to the OPE belt to arrive). Ensure they are on the correct ones before continuing. Countax Rider quite old pre 1990 i think . Its also a good first step if your motor is sluggish or slow. May 21, 2014. Your tractor represents a significant investment in terms of both money and delay. Can someone tell me if this can be fixed without professional assistance. @taylorsonia12. CAUTION: At any time during step 5 there may be movement of the drive wheels. christain81852. 4) Remove short shift linkage from the trans. I own a Craftsman Lawn Tractor model 917.25022 with tight turn. You are using an out of date browser. You must log in or register to reply here. Manual transmission Popping out of gear, under load Salvaging an Abandoned Vintage Tractor - David Brown 25 M5OD-R2 5 Speed Shifter Rebuild Why Nissan CVTs FAIL 3.8M views Add Wheels to a. How do you replace the gear sector22 teeth on craftsman riding lawn mower? The problem I have is that no matter how slowly I release the clutch, the tractor jumps/jerks, front wheels jump off the ground; it does it in each gear-worst on the high gear. 5. I have replaced the transmission belt (upperdrive belt). #3 S Sailornz New member Joined May 31, 2017 Thanks isukenny, That is exactly what I did with my 2004 cub slt 1554. Search the internet for Husqvarna square key to see what it looks like. Hope this helps - but for those who obviously have drive/gear/bearing issues - man I wish you the best of luck, youre braver than I am doing a rebuild. raystephens920 oh? Find your Pulleys here Organize Your Home in a Snap! It is designed to transmit power in forward and reverse, and transmit power to the drive wheels. If you need to make an adjustment, there will be tension on the linkage and the resulting friction will cause resistance as you slide out the ferrule. Occasionally, the end of the shifter will break off. I have a Craftsman 12 HP 38" lawn tractor, Model No. The pulley on top of the transmission is spinning. My mtd slows down and then comes to a stop while going up hill. Thanks. Riding Lawnmower Transmission Repair MTD Yard Machine EASY FLIP | Riding Mower Lawn Tractor Basic Maintenance to go from Junk to Like New Dana 4360 pt2.mpg MTD Lawn Tractor Differential.