I moved my mower to a location I wanted to work at to change a tire. when I put the mower down, it would run but it would not move. The speed/direction lever can be moved without applying the break. what can cause this? It is a 2002 craftsman 42" riding mower.
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I would believe the mower is ran off a belt and the belt has stretched to the point and needs replacement. Raise the mower up and look under it and see if the drive belt is sloppy or loose.
I feel you have lost the shear pin that goes on your axle. The shear pin goes in the little groove in the wheel It may have fallen out when you pulled the wheel off.There are also safety pins in the belt drive pulleys
ck belts that run hydraulic pumps for tire drive , it might have slipped a bit with chain caught , now belts skid instead of transferring power to pumps , also these pumps might have a manual pressure relief reset , I was thinking they only used them on bigger units , but you might have one as well ,hey its possible , this will need to be reset prior to continuing mowing (refer to manual for location )
Two possibilities. 1. You may have disengaged the free wheeling valve which is usually low on the rear of the machine. It is designed to enable the moving of the machine without the engine running. 2. The wheel that you took off to change the tyre has a key fitted in the keyway in the axle and the wheel hub. These usually have to be slid in after the wheel is on the axle and before the circlip or nut is fitted. Did you check that the axle is not running free in the hub when in gear? You would be able to push the machine without the engine running if this key is absent. Suggest that you jack up the wheel free of the ground and see if it turns free on the axle.
When you removed the rear wheels did you remember to put the square drive keys back into the axle shafts, it is quite possible they fell out whilst you were changing the tyres, if only one is missing from either side it will not move .
If the fluid was low and the mower stopped moving the hydrostatic will most likely need rebuilding or replacing. If it only started slipping changing fluid migh have saved it. You can jack up the rear with the tires off the ground and let it run in gear for a few minutes then do the same in reverse. Do this several times if it can be saved it will start pulling slowly when it does make sure it is still full of fluid let it down and drive it or mow with it. It could just be an air lock in the trans.
There is a square key about 2 " long that fits in the slot on the axle and wheel and locks them together.. You probably didn't see it when putting tire back on and knocked it out. If you go back where you removed tire, you'll find it laying on the ground.
"....I just took off the right rear tire to replace."
Make sure the key hasnt fallen out of the right rear tire. It has to have the key to work. Its a peice of metal about 3 inches long and flat on all sides. It should slip into the grove on the tires shaft. Hope that helps.
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