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Re: drive wheels not ternning
Tillers have a handle that you "squeeze to go". The handle activates a clutch, usually through a flexible cable. Does that handle offer resistance about halfway up as you squeeze it?
If not, that cable may have stretched a bit. Try adjusting the clutch by turning the nuts on the threaded sleeve where the cable comes out near the handle, until you get resistance when you squeeze the handle. The cable could also be broken, in which case adjusting won't help, but replacing the cable isn't expensive.
There's something else to check. Tillers have a pin to lock the wheels to the axle. It's right at the wheel hub. The pin can be pulled out to make it easy to move the tiller without running the motor. If you can push the tiller around easily with the motor off, then you may just have a missing wheel pin.
If it's not these simple things, it could be something worse like a problem in the transmission. If reverse works, but not forward, then it's probably the transmission, which is bad news. I hope it's one of the simple problems above.
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Leave aside all the puffery about 3-1 and such, you described a front wheel drive (pull) walk-behind (FWD), but are asking why the rear wheels won't propel. When you push down the hand grip the front wheels should spin free. Whan you lower from wheels by releasing pressure on hand grips, turning wheels lowered to ground should propel the mower along with its unpowered rear wheels now turning be ground contact. Reminder, never, ever lift rear drive wheels of any mower off the ground while walking behind with engine running:
You could be struck by blade propelled object.
You could pull mower and spinning blade backward onto your feet.
You could lose balance and be pulled forward in a fall.
Contemporary FWD mowers are recognized by a black chain housing on deck top leading from engine to left front of deck. RWD propelling chains are situated underneath deck so cannot be seen from above.
If this is a manual engagment system all the lever does is to pull a jockey wheel into the back of the belt to tention it thus starting the blades to turn, so either the cable is jammed that pulls the jockey wheel in, or the jockey wheel arm is seized and needs freeing off to allow the jockey to to move to the relaxed position.
There should be a handle you pull to engage the tines and drive wheels. A cable runs from the handle to the drive pulley that essentially 'puts it in gear' when the handle is pulled. Either the cable is not disengaging when you release the handle or it needs adjustment. First try spraying some liquid wrench or WD40 at each end of the cable and pull the handle a few times (take care not to get any on the drive belt). This may free it up. Otherwise check your owner''s manual for the procedure to adjust it properly. Good luck.
That's tricky... some of the small TB will not free wheel and either have to be "drug" from place to place or start up and drive it. Some allow to freewheel by pulling the pins on the wheel hubs, pushing the wheels "in" and reinstalling the pin. This allows the hub to "freewheel" on the axle and the pin just keeps the wheel from falling off. Hope this helps.
The wheel shaft on a Horse tiller is one piece so if the shaft turns on one side it will turn on the other. make sure the pin that holds the wheel on is not missing that would let it spin on the shaft. That's the only thing I can think of that would cause that problem. Hope that helps.
Was there oil in it? Check and see if a rock or other item is wedge in the tines. Take of the engine shroud, remove the spark plug and see if you can manually turn the fly wheel. If you CAN turn the fly wheel pull on the pull rope. It might just be stuck. If you CANNOT turn the fly wheel then the engine is probably blown.
Good luck hope this helps.
under the housing where the pull cord is found is a latch type item with what they cal daugs, when you pull the cord the daugs fly out and catch into slots which will loch to start the engine, try some WD40 spray lube to free the daugs if this dosn't do the job you may end up getting a new housing or starter assembly
Is the engine running good or misfiring with no load ? Dieing under a load maybe a sparkplug or bad fuel you possibly have water in the fuel ... as far as your tines not turning fast enough this sounds like drive belt related