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Elecric Pto


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#1 boonska8 OFFLINE  

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Posted September 26, 2014 - 07:33 PM

I have a massey 340H with front electric PTO. don't know what year it is.the PTO has quit working. where can I find a replacement? or if not available, can it be repaired?



#2 lyall ONLINE  

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Posted September 26, 2014 - 07:37 PM

are you sure it is the pto and not the switch


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#3 superaben OFFLINE  

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Posted September 26, 2014 - 08:09 PM

Lyall has a good point.  Make sure that the wire running from the switch to the connector is hot with 12 volts positive when the switch is on.  If that is true, make sure that the other terminal is grounded well to a bolt.  You should be able to measure 12 volts across both terminals on that connector.

 

Old mowers are prone to having electric grounding problems. 

 

Ben W.


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#4 JD DANNELS OFFLINE  

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Posted September 26, 2014 - 11:29 PM

My JD 318 pto quit about a week ago. I thought the switch was bad and bought a new one.
It is on a shelf in the garage. should have checked wiring first. found loose wire in a connector. I fixed that and it is working fine now.
Your getting good advice

#5 JD DANNELS OFFLINE  

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Posted September 27, 2014 - 09:40 AM

I forgot to add last night that you may need to check the air gap on the clutch. Being electromagnetic if the gap is too much the coil may not be strong enough to engage. I do not know what the air gap is on a MF,so check the specs. On a JD 318
it is .014-.018.

Edited by JD DANNELS, September 27, 2014 - 02:20 PM.





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