How does a lawn mower PTO clutch work?

PTO clutches work in conjunction with the PTO drive shaft and must be compatible with the transmission of the lawnmower. An electric lawnmower clutch gets energy from the mower’s engine and transfers it to the mower blade. … This type of clutch prevents the mower from moving after the driver disengages the mower clutch.

How do I know if my PTO clutch is bad?

Activate the PTO engagement lever, then disengage it. Turn it on and off several times. If you do not hear a disengagement noise or see the power takeoff pulley stopping or slowing down at any time, it indicates the clutch and plates have galled together from excessive heat, or the slip ring has jammed.

How long does a PTO clutch last?

LawnSite Member

See people getting 600 – 1000 hours having to replace.

What is a PTO clutch?

Power take-off (PTO) clutches provide a mechanical disconnect between the power created by gas and diesel engines or electric motors to another piece of equipment. The PTO clutches enable the transmission of that energy to auxiliary equipment that does not generate its own power.

What does a PTO switch do?

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.

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How many amps does a PTO clutch draw?

Engage the PTO switch. The clutch should have an amp draw of approximately 4.0 amps. If the meter reads significantly above or below 4.0 amps, there may be a shorted coil, faulty switch or battery causing the problem. The clutch assembly should be kept free from debris buildup.

How many ohms should a PTO clutch have?

Anywhere between approx. 2 ~ 4 ohms is acceptable but no way does that mean the clutch is OK. Temperature and your meter will give you varying readings. I wouldn’t replace the clutch because it has 1.8 ohms of resistance.

What does PTO stand for 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.

How does a mower PTO work?

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.

How do you troubleshoot a PTO clutch?

How to Test a PTO Clutch

  1. Lift the utility vehicle up with a floor jack. …
  2. Place the negative voltmeter lead on a good engine source. …
  3. Look for the in-line fuse between the electrical wiring harness from the lever switch to the PTO clutch assembly under the deck. …
  4. Start the engine and let it warm up.
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Efficiency