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John deere f510 with 14 hp "k" series engine

I installed a new pto clutch and a new battery on my John Deere Model F510 front mower but when I engage the blades the engine dies but when moving forward or reverse without the blades engaged it runs fine

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6ya6ya
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Posted on Jan 02, 2017

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mickey813
  • 472 Answers

SOURCE: John Deere 160 riding mower. When I try to engage

CK THE SEAT SWICH OR THE BRAKE SWICH ONE OFEM IS BAD

Posted on Oct 02, 2009

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mickey813
  • 472 Answers

SOURCE: John Deere L120. Engine dies when PTO switch is pulled.

sounds like the seat switch is bad

Posted on Mar 02, 2010

  • 18 Answers

SOURCE: PTO loads engine down and almost quits running!

pto is going bad

Posted on Jun 06, 2010

wadembly
  • 462 Answers

SOURCE: The mower blades on my John Deere stx 38 lawn

it sounds like the safety switch under seat is bad

Posted on Jun 28, 2010

wireguy212
  • 1627 Answers

SOURCE: problem with John Deere L120 tractor

Park brake switch is the most likely culprit,any other would cause the tractor to not turn over in the crank position.

Posted on Jul 29, 2010

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3 Answers

F525. Updated mower switch by John Deere is not engaging mower


The John Deere F525, a front cutting machine, has 3 fuses.
20 Amp
15 Amp
10 Amp

Check the 15 amp fuse. I believe this supports the PTO clutch. If you replace the fuse and it blows again, check the electric clutch. You will likely find burnt or melted wires. The bearings do go out on these clutches causing them to run hot and eventually burn up.

PTO Clutch will not engage: There is a very fine one page discussion on evaluating electric clutches at this site:

http://www.messicks.com/Articles/FixingElectricClutch.aspx

My JD tech manual, which covers the entire LA 100 series, agrees with the electrical specifications. It states that the Electric PTO Clutch should show the following:

Resistance 3.7 ohms
Current Draw 3.25 amps
It does not give the air gap.

It does include a note to check the PTO Clutch Key for damage or if missing. So there is a drive key between the PTO Clutch and the shaft. Additionally, it recommends checking the tightness of the cap screw. That's the screw or bolt that holds the clutch on the shaft.
Cap Screw torque 55 lb-ft (75 N.m).

If the fuse blows, I recommend you check the resistance of the clutch. If the clutch is shorting to ground it will show zero resistance when you ohms the connector wire to a ground position. In which case, you will have to replace the clutch.

Fixing Electric Clutches

Other possibilities.
On the F525 there is a cut-off switch in the hydraulic system. It is a low pressure cut off. If you were running the mower and deck and then it suddenly stopped, it may be low pressure in the hydraulics. It will not automatically reset as you are using the same volume for the drive pumps. Once the oil gets low enough it cuts out the deck drive 1st, then the drive pumps.

Apr 16, 2015 | John Deere Garden

1 Answer

John Deere L120 wiring diagram


The electric clutch draws current while engaged. It is quite hungry on power which means that if the battery is low, the generator may not be making enough to charge the battery and hold the clutch in too. This is why the batteries on these machines are so large relative to say an ATV battery. I have several times experienced units with low batteries which started the engine OK but would not hold the clutch in. The battery may be getting old and not holding the charge. Try charging with a mains operated charger. Make sure to check water level in battery cells. Running them dry can ruin the battery.

Aug 01, 2014 | John Deere L100 Series

1 Answer

John deere stx 30 pto wont engage


Check your fuse or for a broken wire( or shorted)

Jul 19, 2014 | John Deere Pto Clutch For Stx38 And Stx46...

1 Answer

Why wont john deere stx 30 pto wont engage


Most of these mowers have a safety switch between the PTO switch and clutch. A safety switch or relay is most likely the problem. Hope this will help ya.

Jul 19, 2014 | John Deere Pto Clutch For Stx38 And Stx46...

1 Answer

PTO Issues


replace the pto solenoid as it has an internal short causing the fuses to blow.

Jun 02, 2013 | John Deere Garden

1 Answer

Mowerdeck will not engage...


I own a similiar John Deere model (L130, 23HP with a 48" deck). I would check the electric clutch (called a PTO). To do this check the wires to this clutch and look for something disconnected. These wires (to this PTO clutch) should have twelve volts with the key on and the blades engaged.

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John Deere f1145 front mower's engine stops


You must be in the seat to run the mower ... safety interlocks ... operator presence control is what it is called.

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2 Answers

John deere 997 z trak pto not working,changed pto switch not help


You may have a defective park brake switch or the pto clutch could need to be adjusted.Does the machine **** down when you try to engage the pto?If so also check the seat switch.To adjust the pto clutch you need a 9/16' wrench and tur all three lock nuts on the clutch a half turn at a time a retry the clutch,keep going until it will stay engaged.

Nov 08, 2009 | Garden

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