The PTO (or power take-off) belt is part of a pulley system that operates the blades on your riding lawn mower. It runs off the electric clutch system in your engine.
How does a PTO work on a lawn mower?
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.
What is a PTO switch?
Some may wonder, “What does the PTO stand for?” PTO Switch Definition: PTO is an abbreviation for Power Take-Off, and it is a mechanical device or shaft that connects a tractor’s power to another piece of equipment, like a spreader or snow blower. Do not repair your PTO while your equipment is operating.
What does PTO mean on a lawn mower?
A power take-off or power takeoff (PTO) is any of several methods for taking power from a power source, such as a running engine, and transmitting it to an application such as an attached implement or separate machine.
Where is the PTO on a riding lawn mower?
The PTO clutch is mounted under the tractor or mower beside the power drive shaft, which is also vertically aligned. It is connected to the blade shaft, and when it spins, the blade spins too. There is a belt that is attached to the drive shaft and PTO clutch pulley.
Can an electric PTO clutch be rebuilt?
You can replace the bearings, and you can replace the clutch coil. You must look into the aftermarket suppliers for the coil. Some have a manufacturers number that you can cross reference.
Why won’t my mower blades engage?
Belt-the number one cause for your blades not to engage is that your belt is either stretched or loose causing it to slip or fall off completely. Belt could have snapped also. When you are trying to process too much grass/leaves they could pack up under your deck and push off your belt.
How do you test a lawn mower PTO clutch?
Pull off the main power wire that goes to the PTO clutch assembly. This is located on the clutch side. Turn the wire jack toward you, but pull yourself back away from the deck as far as possible. With the battery connected and engine turned off, place the negative alligator lead of a test light to a ground source.
How long should a PTO clutch last?
See people getting 600 – 1000 hours having to replace.
What is a PTO clutch on a riding mower?
An electric lawnmower clutch, commonly called a power takeoff clutch (PTO), is the part of a lawnmower or riding tractor responsible for engaging the blade. The electric clutch helps to transfer engine power to the drive train. The clutch connects two drive shafts and is controlled by a toggle switch.