How Does a PTO Pulley Work on a John Deere Rider Mower?
Many John Deere riding mowers, lawn tractors, and garden tractors have a power takeoff (PTO) function that the operator uses to engage the mower blades. If you’re unfamiliar with the PTO clutch, the purpose of the pulley may be difficult to comprehend.
How does a lawn mower PTO work?
The PTO clutch engages when its solenoid receives an electric spark from the mower’s 12-volt battery, and 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 an electric PTO on a riding lawn mower?
The PTO stands for Power Take Off and is a switch or lever found on tractors and mowers. It can be an electric switch or a mechanical engagement that uses engine power to operate the mower deck or an implement. Mowers can be driven by a belt or a shaft.
Is electric PTO better than manual?
Longer belt life, better belt reliability (belt always tight), zero slippage, and easier operation are all advantages of an electric PTO clutch system.
What does PTO mean on a lawn mower?
The PTO (or power take-off ) belt is part of a pulley system that operates the blades on your riding lawn mower, and it is powered by your engine’s electric clutch system.
How does a PTO switch work?
The PTO clutch is located beneath the tractor or mower, next to the power drive shaft, which is also vertically aligned, and is connected to the blade shaft, so when it spins, the blade spins as well. The drive shaft and PTO clutch pulley are connected by a belt.
Do lawn mowers have a clutch?
Riding lawn mowers have power takeoff (PTO) clutches, which are located on the bottom of the engine assembly and control the flow of power to the mower’s cutting blades. If the PTO clutch fails, the blades will either not engage or will not properly disengage after use.
What is a PTO switch for John Deere tractor?
The PTO is the mechanism that turns on the blades under the mower deck, and it is powered by a 12-volt system. The electric clutch is controlled by a switch on the lawn mower’s dashboard.
Should my PTO clutch spin freely?
Should my PTO clutch spin freely when not engaged? Yes, the clutch pulley should spin freely when not engaged; however, it may have an electrical or bearing issue, causing it to stall without load and vibrate when loaded.
Why does the PTO not engage?
The lawn mower blades will not engage if the PTO clutch does not receive power, if the clutch solenoid is defective, or if the clutch is worn out. As a result, the clutch will not engage, and the lawn mower blades will not rotate. To determine if the switch is defective, use a multimeter to test it for continuity.
What is a PTO on a tractor?
The Power Take-Off (PTO) shaft is a reliable way to transfer mechanical power from farm tractors to implements.
How do you engage the blade on a John Deere riding mower?
To engage the blades on a manually operated riding lawn mower, turn the key clockwise to turn it on, increase the throttle to half speed, and wait two minutes for the engine to warm up, then lower the mower to the desired cutting height and engage the blades with the lever to the right of the steering.
What does a PTO overrunning clutch do?
An overrunning PTO clutch is a device that allows a tractor’s power take-off (PTO) shaft to be driven in one direction while spinning freely (freewheeling) in the opposite direction, preventing equipment from “driving” the tractor through its PTO shaft.
How do I know if my PTO clutch is bad?
When a clutch is going bad, it usually shows when you engage the PTO. A common symptom is for the clutch to be slow to engage if it’s been running for a while and is hot. Once engaged, they usually stay engaged until you shut them off.