Question about John Deere 22HP Hydrostatic 42" Riding Mower

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When pto is activated power decreases, like it is struggling to get gas?

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Either something is binding or the carburetor needs cleaned/rebuilt. Tim

Posted on May 22, 2011

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PTO will not turn off M135X


With the power take off in the off position Try disconnecting the wire at the electric activated clutch if it shuts off plug it back in if it activates..you most likely have a defective switch..if it dies not shot off with the wire disconnected it is a bad clutch..good luck..

Sep 16, 2015 | Garden

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John Deere x300 series 2009 model I unhooked the kill wire and it started. But now my mower/pto will not engage is there a way to bypass the sensor?


Based on the combination problems involving the coil kill wire and the PTO activation, I would suspect the PTO switch is bad.

I do not have a schematic for the 300x, however I most of the functions are comparable to the LA 145, 165, 175.

The PTO switch is a multifunction switch. It will have 3 to 4 different functions internally. On the LA 175 it serves 3 functions. These 3 internal functions are independent of one another. Electronically they are known as single pole/single throw switches. In other words even though they are all housed inside a single unit they act light 3 separate light switches in your house.

One function ("light switch") controls your cranking system. When the key is turned to Start, power flows from the Key switch (purple wire) to the PTO switch. With the PTO switch off it flow out (purple/white) and goes to the Brake switch. If the Brake is set the power flows through to the starter solenoid and your engine cranks.

Another "light switch" inside the PTO switch controls the Blade Clutch. Power flows from the Key switch, in run position, (yellow wire) to the PTO switch. With the PTO switch on it flows out another yellow wire to the Blade Clutch. A DC volt meter should show 12 volts switching on and off as the PTO is turned on and off.

The third "light switch" completes a Ground Path. This ground path is a totally separate pathway running through the PTO switch. The ground system is fairly complex because it operates differently under different scenarios.

To produce a spark, the key switch must be in the start or run position. While starting the PTO must be off and the brake set. The seat switch does not matter at this point.

Once the engine is running the seat switch plays a part if the PTO is activated or the Brake is released. Someone must be in the seat.
The Kill system is activated
  1. When the key switch is turned off.
  2. When the operator leaves the seat without setting the brake and turning off the PTO.
  3. When the machine is reversed while the PTO is engaged and the back up switch (RIS) is not pressed.

So there are three different paths to ground; any of which can kill the engine by grounding the coil. Except for turning off the key, all other grounding functions flow through the "grounding light switch" in the PTO.

Because you have a combination problem, the Coil kill wire is grounding the engine and the Blade Clutch won't activate the blades; both of which are affected by the PTO switch, odds are you have a bad PTO.

Obviously there are too many complex functions to just bypass the switch. You will have to replace it. The part number you need is AM135131. You can do a site search to locate and order this replacement switch for about $26.00 including shipping at this site: GreenPartStore Parts for John Deere Lawn Tractors John Deere Lawn Garden...

Mar 29, 2015 | John Deere Garden

1 Answer

When I pull the PTO switch out, the PTO does not activate.


These switches are usually of the DPDT type which means they can partially work. What you need to do to find the wiring connector at the PTO electric clutch and test for the activation voltage. It will be the same as your battery voltage when the engine not running. If this voltage is there with the PTO switch in the engage postion then electric has failed. You can also check the clutch electric coil resistance with power off. It should be between 1.5 to 2.5 ohms. Anything under 1.5 indicates a shorted winding and anything over indicates an open winding.

Feb 13, 2015 | Garden

1 Answer

Pto stopped working on international 955


If this has a lever activiated PTO make sure it is engaged all the way- and the fluid level is good; if it is electrically activated, check that you have power to the switch. If now power at switch- check fuses- if theer is power at switch, the switch is bad.

May 29, 2014 | Garden

1 Answer

How do i get pto cluch to engage


If this has a lever activiated PTO make sure it is engaged all the way- and the fluid level is good; if it is electrically activated, check that you have power to the switch. If now power at switch- check fuses- if theer is power at switch, the switch is bad.

May 20, 2014 | John Deere Garden

2 Answers

My toro 74411 seems like is notpumping enough gas cause when i engage the pto looses all power


Hi
one thing to try sstart up ngine le it warm up and get a screw diver and turn the mix screw on the carb 1/4 turn out and try that engage PTO if nothing turn another 1/4 if nothing turn engine of and turn mixure sew all the way in very easy dont force it just when it stops turn 1 and 1/4 turn to 1and 1/2 out now start it and try pto if its still slowing down turn another 1/4 turn out now if that didnt work just make sure you have a clean air filter and fuel filter and spark plug before you do any of the above then u will need carb rebuilt please use fresh gas otherwise you will very low power

Joe

Joe

Sep 10, 2012 | Toro Z Master Zero Turn Riding Lawn Mower...

1 Answer

Loss of Power when PTO is engaged


Something that the PTO drives is defective and placing excessive load on the engine.

May 18, 2017 | Garden

1 Answer

I need a belt diagram for a ranch king king plus also i need to know the size for the main drive belt


Ranch King is a brand name of the manufacturer MTD.

Product manuals with part blow-up diagrams are available from MTD's web site,
http://www.mtdproducts.com/
Models are identified from the model number printed on a label under the mower seat.
The PTO and deck drive belts are shown on one diagram and the transmission drive belt is shown on another. The Form number on my printed Operator's Manual is 770-10526A (22HP, 46in cut) for Hydrostatic 817/818 models.

Parts can be ordered directly from MTD or other distributors on the web.

It is my experience that original brand name MTD belts work best.

The 22HP, 46" mower deck Ranch King Pro has 3 belts:

The drive belt which runs from the engine pulley back to the hydro drive unit to provide over-the-ground propulsion is part #754-0349.

A mower has either an electric PTO or a manual PTO, not both.

The electric PTO belt the provides power to the blade deck (runs around the electric clutch on the engine shaft (activated by electric switch, not the mechanical hand lever that engages the mower deck) is p/n 754-0476 for the 46" deck.

The manual PTO belt the provides power to the blade deck (runs off the pulley on the engine shaft (activated the mechanical hand lever to the left of the steering wheel that engages the mower deck) is p/n 754-0228 for the 46" deck.

The deck belt that goes around the 3 blade spindle assemblies on the mower deck, to drive the grass cutting blades is p/n 754-0349

In my experience, the PTO belt lasts about half a season, the other belts break about every other season when mowing 4 acres weekly.

Sep 07, 2009 | Mtd Garden

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