Electric clutch on White mower

David Warden

New User
Posted in tractor talk probably shoulda done it here. Got responses, but maybe more here. White 2550 vtwin kohler engine, which I heard they might be out of biz. Runs fine untill engage blades. Could the pto electric clutch be bad. New fuel filter. Air, Plugs are fine. Should clutch turn freely spinning it by hand. Blades all spin freely. Thanks in advance.
Dave
 
Most electric clutches have a brake to bring the blades or driven parts to a stop when disengaged, so they don't spin freely when disengaged.

How does it come to a stop? Is it like you turned the switch off or does it lug down to a stall?

-It could be an interlock switch that is not making contact and kills the engine when you engage the pto.
-You say the blades spin freely: Do all the idler pulleys in the system also spin freely with no grinding or rattling? If one is noisy, it may be freezing up when you engage the blades.
 
T.R, Let me explain further. Engine stays running when engaged and bogs down then slowly picks up but not quite 100%. Try to mow and hardly any power, but will mow. Drives up hills fine without blades engaged. Man I hope it isnt pricey pto clutch. 350 bucks. Mower is 14 yrs old. Thanks
 
After searching over the net, I think its on one cylinder. It did run with one wire off yesterday, and one plug was black and wet while the other was grey. Gaps fine. Could be coil i guess.
 
Well when I pull plug wire off opposite of plug that is wet it dies. The wet plug side it stays running when wire is pulled off. Seems plenty of spark both sides. More spark it seems on side that is wet.
 
If you have spark on both sides, but won't run on one side, you probably have valve problems such as either valve not sealing, burned valve or loose seat, or moved valve guide on that cylinder it won't run on but has spark.
 
Carb is dead. not sucking air! Thinking the 91.00 fuel shutoff solinoid. Dropped carb after making a gasket to fit and the barb for fuel line snapped off. ordered new rebuild, which includes bowl. Will see what happens. Going to bypass shutoff
 

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