Question about Husqvarna Lawn Tractor 25 HP 54in Deck Model YTH2454
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Posted on Jan 02, 2017
SOURCE: pto willl not engage
Hi mate, Although my trade is repairing turfcare machinery, I have no experience with this model, so I will try my best. Firstly, the clicking you hear will probably be the electric clutch engaging/dissengaging. Firstly, see if you can get the clicking with engine off, keyswitch in first position/on/lights on dash. You may have to place something heavy on the seat and have traction pedal in neutral. MAKE SURE YOU DO NOT ENGAGE THE STARTER MOTOR/START THE ENGINE THROUGHT THIS!
Now have a look under the footwell on top of the deck and try to determine where the clicking is coming from, there will be a clutch there somewhere joining the engine drive pulley to a deck pulley, Also at this point check that both belts are on and with the ENGINE OFF! spin the blade/blades with your hand and ensure that the deck belts are not slipping on the deck pulleys. If they are you will need to establish where the tensioning system is. (Sorry i know pretty vague)
Back to the Clutch, once you establish where it is, engage the blades ENGINE OFF! and you should feel a greater resistance turning the blades as you are now turning the engine as well, beware though, it is theoretically possible to start the engine by doing this, but you will almost certainly not be able to spin the blades that quickly by hand.
If it is clicking to engage but not turning the engine pulley when spinning the blades by hand, then try tapping the clutch lightly as it may not be fully dissengaging.
I would put money on it being either one of the belts coming off/snapping, the blades jamming or the clutch not engaging fully.
If you find that the clicking is not the clutch engaging and its actually getting no power to the clutch then you need to go back to the pto switch and go through all safety switches! (good luck, it usually ends up with me bypassing them or running a new cable to the switch,then, smoke, shouting, swearing etc etc!) Either not advisable.
In doing all this you should have been able to have determined the problem be it one that I have mentioned or another.
Hope this helps,
Posted on May 30, 2009
It sounds like your charge system is not working. If you jump the battery the engine will run with a weak battery but the pto clutch needs a strong battery to stay engaged.Try this to test it,after you jump it leav the jumper cables hooked up and try to engage the blade clutch,if it runs it is either a battery that wont take a charge or a charge system not working. If you put a volt meter on the battery while the engine is running and the voltage is 13 volts the charge system is working and the battery is bad.
Posted on Jul 31, 2009
SOURCE: Mower blades willnot engage
make sure the battery is fully charged, check all electrical connections and clean them with vinegar and rinse well with demineralized water afterward.
Posted on May 27, 2010
The PTO switch has failed. There is an internal spring and plastic parts in toggle switches that keep them in the actuated position. It's not practical to take the switch apart to fix it, but replacement switches are readily available - probably $12 - $20. It's a good idea to disconnect the negative terminal from the battery before you do any electrical work. Be sure to put the wires on the corresponding terminals of the new switch. Good luck! Please rate if you find this helpful, thanks.
Posted on Jun 04, 2010
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