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Have a John Deere F935 that stopped while mowing, had power…

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Have a John Deere F935...
Have a John Deere F935 that stopped while mowing, had power but will not turn over.
Submitted: 3 years ago.Category: Agriculture and Farm Equipment
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Answered in 11 minutes by:
5/24/2015
Mechanic: Curtis B., Technician replied 3 years ago
Curtis B.
Curtis B., Technician
Category: Agriculture and Farm Equipment
Satisfied Customers: 4,312
Experience: Technican turned service manager on multiple lines of equipment and rental equipment.
Verified
Yanmar diesel? Can you turn the engine by hand or wrench? To be sure engine has not seized? Do you have a voltmeter to check the unit? Does the fuel pump come on with key? Glow plug show to come on? If no fuel pump or glow plug, no power to the key switch. Is battery and cables good? Is the big fuse/circuit breaker at the left fender opening in place?
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Customer reply replied 3 years ago

The engine will turn at the flywheel evrything else is ok

Mechanic: Curtis B., Technician replied 3 years ago

Glow plug and fuel pump come on with key? Fuse under the fender in place and tight? I assume the starter is not turning the engine.

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Customer reply replied 3 years ago

Curtis,

I found a forum in John Deere that is the same as mine, it may be the hydraulic drive valve out of adjustment. I am going out to check it out. I can be reached on(###) ###-####/p>

Mechanic: Curtis B., Technician replied 3 years ago
It quit under use. Sounds like a loss of voltage to me. If starter is turning and engine does not start, then fuel solenoid could be keeping fuel shutoff. But drive valve out of adjustment?
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