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  #1  
Old 12-30-2012, 10:24 PM
cub108 cub108 is offline
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Default do not know what the problem is?

hello, everyone.

ok, you have to read slowly because you can get lost quick.

i was using the 109 (with a 12hp conversion) to snow plow. i went to turn it off and it would not turn off. i turned the key off and the S/G just turn really slowly and would not stop. i turned the key back on and the tractor started up immedietly. i reved it up about half throttle and turned the key off and the tractor shut off.
the S/G actually seemed a little weak when trying to start the tractor. it almost seemed like the belt was too tight for the S/G to turn over. (but it wasn't).
went to go plow the next day. tractor started up and plowed awsome. went to turn it off and same thing. would not turn off. i tried pulling the plug wire and the S/G just kept turning. put plug wire back on and fired rite up. i had to disconect the battery.
i tried to reconnect the battery and when i tried to put on the possitive cable it sparked like i was welding.i disconnected the wires form the S/G and tried putting the wires back on the battery. no sparks but the voltage regulator would click everytime i tried to connect the pos. wire.

i took out the ignition switch and put it on my 108. it started right up and turned off no problem. i took the S/G off the 109 and tried it on the 108. no sparks when hooking up the battery. tried to start it and nothing. no spark. i put back on the 108 S/G and no start or spark. (think my coil went bad? coinsidence?)

put back on the 109 S/G (the one with the problem of not shutting off). tried to hook it up and sparks. i took off the voltage regulator from the 108. hooked up the wires and sparks. disconnected the S/G wires and hooked up the battery. no sparks but clicked just like the original one did.

i am going to try and put on the 108 S/G and see what happens. hopefully it will work and then i can put the 109 coil on the 108 and see if i get spark with that one.

what is going on?

thanks.
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  #2  
Old 12-30-2012, 10:39 PM
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cubfixer cubfixer is offline
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"i took out the ignition switch and put it on my 108. it started right up and turned off no problem. i took the S/G off the 109 and tried it on the 108. no sparks when hooking up the battery. tried to start it and nothing. no spark. i put back on the 108 S/G and no start or spark. (think my coil went bad? coinsidence?)"

Did the S/G turn the motor over? Or did it just have no spark? If it turns over with no spark then it could be the coil. Tell me how many terminals your Voltage Regulator has. Sometimes it will have an "L" terminal (which stands for Load). Often people use this terminal for lights, but it will work for the hot wire for your coil. It is off when the switch is off.
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  #3  
Old 12-30-2012, 10:48 PM
cub108 cub108 is offline
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yes, the S/G turned the motor over no problem. the V/R i have is a three spade with a ground on the side. the spades say BAT., GEN., F

mike
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  #4  
Old 12-30-2012, 10:52 PM
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Many VRegs do not have a ground spade. Be sure that the 4th lug is indeed a ground terminal.
I smoked a wire once, thinking the 4th terminal was a ground.
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Proud Owner of a Model 100 and a Model 124.
A homemade cart, 2 x 42" mower decks, a 38" deck,
a 42" front NF blade, and a lawn sweeper!
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  #5  
Old 12-30-2012, 10:56 PM
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darkminion_17 darkminion_17 is offline
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Sounds like your v/r cutout relay is at fault.Remove the + battery term.then take the cover of the v/r and check the contacts.
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  #6  
Old 12-30-2012, 11:01 PM
cub108 cub108 is offline
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how could the v/r relay be at fault. i just started the other tractor and it started right up and turned off. (confused)

can i have a short somewhere?

other terminal says GRD
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  #7  
Old 12-30-2012, 11:05 PM
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"i took out the ignition switch and put it on my 108. it started right up and turned off no problem. i took the S/G off the 109 and tried it on the 108. no sparks when hooking up the battery. tried to start it and nothing. no spark. i put back on the 108 S/G and no start or spark. (think my coil went bad? coinsidence?)"

So the S/G from the 109 didn't work on the 108? Did it turn the 108 over, but no spark?
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a 42" front NF blade, and a lawn sweeper!
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  #8  
Old 12-30-2012, 11:13 PM
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darkminion_17 darkminion_17 is offline
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Looks like it is time to get out the ohm meter and check your wiring for shorts.
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  #9  
Old 12-30-2012, 11:23 PM
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sawdustdad sawdustdad is offline
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Sounds like a starter relay stuck shut? There's a starter relay under the dash. I think it's called a magnetic switch in the parts diagrams. If it has welded itself shut, it will try to drive the starter regardless of the switch position.

Your ignition switch energizes the coil in the starter relay which pulls the contactor together, sending juice to the starter. Has nothing to do with the V/R, the starter/generator or the ignition switch. To check this, check for continuity across the relay (between two big terminals) with no power applied to the small terminals. If there is continuity, that's the problem, If it's open (infinite resistance) then check it again with 12v applied to the small terminals. It should close and show continuity (no resistance/zero ohms).
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  #10  
Old 12-30-2012, 11:34 PM
cub108 cub108 is offline
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yes, the s/g from the 109 turned the 108 over no problem, but no spark
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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