I bought this mower 2 years ago and ariund 300 hours.. I have had a pto switch to melt and replaced ran fine for 2 weeks and was mowing yesterday and blew 2 20 amp fushes and now Pto will not turn on. does anyone have any ideal. Mower starts fine since replaced fuse but no pTO working.. thanks Mark
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Scag tiger cub
- Thread starter mac100
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Export threadHate to say this but it sounds like the PTO electric clutch shorted. Hope I'm wrong. Have to check the clutch first, and if I'm wrong work your way back through the wiring to find a short. Warning, this is going to take patience, go slow or you can easily miss something.
east_tn_emc
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Had the same thing happen to my Turf Tiger....ended up being the clutch.
It has run flawlessly for about a month now after replacing the clutch.
The clutch replacement job took me a whopping ten minutes to complete.
Do you have a good Ohm-meter?
If it is an Ogura clutch, you should have 2.8-3.2 Ohms across the clutch.
If it is a Warner Electric, you should have 2.3-2.9 Ohms.
Mine, when tested, had 0.7 Ohms. Remember that V=IR, so if your resistance is 1/4 of what it should be, then your current will be 4 times higher than it should be given the same voltage across the clutch...hence the reason that your switch melted and fuse blew...You might want to make sure that it didnt take out the voltage regulator as well.
It has run flawlessly for about a month now after replacing the clutch.
The clutch replacement job took me a whopping ten minutes to complete.
Do you have a good Ohm-meter?
If it is an Ogura clutch, you should have 2.8-3.2 Ohms across the clutch.
If it is a Warner Electric, you should have 2.3-2.9 Ohms.
Mine, when tested, had 0.7 Ohms. Remember that V=IR, so if your resistance is 1/4 of what it should be, then your current will be 4 times higher than it should be given the same voltage across the clutch...hence the reason that your switch melted and fuse blew...You might want to make sure that it didnt take out the voltage regulator as well.