If the PTO clutch is not getting power, if the clutch solenoid is defective, or if the clutch is worn out
, the lawn mower blades will not engage. The PTO clutch is not repairable—if the clutch is defective, you must replace it.
What would cause a PTO to not engage?
Two common reasons that a PTO won't engage are
installation issues and owner misuse
. Addressing these possibilities first might be the only thing needed. Additional problems could arise if the switch is showing no continuity. Check for continuity using a multimeter.
Why is my lawn mower blade not spinning?
If your mower blades will not turn after the blade controls have been engaged,
your deck belt may be broken
. The deck is located directly under the operators seat. This belt spins the mowers blades and runs through a pulley system of idlers. The exact configuration of the deck belt will depend on your model of mower.
How do you test a Toro PTO switch?
Why won't my riding mower blades engage?
My Riding Lawn Mower Blades Won't Engage
If the PTO clutch is not getting power, if the clutch solenoid is defective, or if the clutch is worn out
, the lawn mower blades will not engage. The PTO clutch is not repairable—if the clutch is defective, you must replace it. The PTO switch provides power to the PTO clutch.
How do you engage the blades on a riding lawn mower?
Find the plunger at the top of the attachment lift lever. Press the plunger inward with your thumb, and move the attachment lift lever back, or toward you, to lower the cutting blade. Release the plunger and attachment lift lever.
Pull the attachment clutch switch outward to “Engage” to make the cutting blade rotate
.
Why won't my riding lawn mower move forward or reverse?
A blocked fuel filter
can keep gasoline from flowing to your mower's engine in adequate supply, resulting in a lawn mower that isn't drivable. Damaged or clogged air filters also can prevent your lawn mower from going forward or in reverse simply because the engine will overheat quickly.
How do you troubleshoot a PTO clutch?
How do you check a lawn mower PTO clutch?
Should my lawn mower blade spin freely?
No, lawnmower blades normally should not spin freely
as they are connected directly or indirectly via belts or other means to the engine. Only when the lawnmower has a clutch, the blades may run freely. If they don't, it means that there is a fault in the transmission.
How do you stop spinning spindles?
If you've got a bigger deck, however, you may need to
add an additional clamp onto the side of the deck to lock the wrench up against it
. This should prevent the spindle from turning when removing your blade. If you're having trouble budging the bolt with a regular socket wrench, try using an impact wrench instead.
How do you align a lawn mower blade?
Turn the mower blades slowly until one points forward and one points backward. Leave this as is and place a wood block inside the deck next to the edge of a blade that has to be aligned. Turn this blade just a bit to wedge it tight. Using an adjustable wrench, remove the blade's screw, spline washer and spring washer.
How do you check a PTO clutch?
How do you bypass a PTO switch?
How do I know if my lawn mower clutch is bad?
If the clutch is damaged,
you may hear it slipping while it tries to engage, or you might hear your PTO engage and then stop right away
, as it is designed for the fuse to fail first if it cannot turn the clutch.
Can you repair a PTO clutch?
This operation is crucial to the overall functioning of riding mowers, and thus PTO clutch repair may need to be immediately performed on riding mower models that have a failed clutch. Fortunately,
you can fix your clutch irrespective of your experience with PTO clutch installation
.
What is a PTO switch?
The PTO is
a switch or lever found on tractors and mowers and stands for Power Take Off
. This can be an electric switch or mechanical engagement that takes engine power to operate the mower deck or an implement. The PTO can run mowers by either a belt or a shaft.
How do you engage blades on zero turn?
How do you engage blades?
- Turn the key to the “on” position, advance the throttle to half speed and allow the engine to warm up for 2 minutes. …
- Lower the mower to the desired cutting height. …
- Engage the mower blades; push the lever to the right of the steering wheel all the way forward.
How does mower deck engage?
Driven by electricity provided by the mower's 12-volt battery, the PTO clutch engages
when its solenoid receives an electric spark
. The PTO pulley is attached to the clutch and guides the belt that connects to the engine crankshaft pulley and rotates the blades of the mower that are located under the mower's deck.
Why won't my lawn mower cut grass?
Why is my hydrostatic mower not moving?
By far, the most common reason for hydrostatic transmission failure is
old hydraulic fluid
. John Deere states that “Operating outside of the recommended oil air temperature range may cause premature hydrostatic transmission failure.” Oil must be changed when its anti-foam additive decays.
What causes a hydrostatic transmission to slip?
Hydrostatic transmissions include mechanical parts such as a differential and a drive axle, plus rubber or metal hoses the liquid is pushed through.
Failure of any mechanical component, a broken hose, or clogged filter
will cause tractor hydrostatic transmission problems.
How long do tractor hydrostatic transmissions last?
I believe that most hystat transmissions on smaller tractors should last
3 – 5000 hours
plus if they have been serviced regularly (strictly my opinion, not based on data).
Why does my PTO keep turning off?
@mattk ,Matt, Something as simple as a
low battery/bad connection or not charging
could cause this. Possibly bad seat/reversing safety switch, faulty/loose wire/plug to clutch/PTO/switch, clutch faulty. Trouble shooting/parts/manual links below may help.
