What does a PTO slip clutch do?
A PTO slip clutch is a torque limiting device that, when overcome with too much torque, limits the amount of torque being transferred from the tractor to the implement. This is accomplished by, you guessed it, slipping or spinning free which allows the two sides of the PTO shaft to spin at different speeds.
How do I check my PTO?
How to Test a PTO Clutch
- Lift the utility vehicle up with a floor jack.
- Place the negative voltmeter lead on a good engine source.
- Look for the in-line fuse between the electrical wiring harness from the lever switch to the PTO clutch assembly under the deck.
- Start the engine and let it warm up.
Will a bad PTO clutch drain your battery?
The PTO clutch needs full voltage to remain engaged… If the charging circuit is not keeping the battery Above 12 volts with the engine running, the PTO clutch will drain the battery down to the point it will disengage, at that point there will not be enough left in the battery to start the engine.
What are the parts of a PTO slip clutch?
The major parts include the input side or tractor side clutch flange, the output or implement side clutch flange, a baffle or pressure plate, friction disks, sometimes an intermediate steel plate, bolts to hold it together and springs to provide the correct level of friction.
When do you need to replace slip clutch?
Fits many slip clutch PTO shafts and Independent Slip Clutches. If your slip clutch will no longer take an adjustment, if your springs are bottomed out and your clutch still slips, if your friction disc are these dimensions and are broken or excessively worn they will need to be replaced.
What kind of Springs does a slip clutch use?
The most common setup to apply tension to a plate-type slip clutch uses coil springs. Varying the length, wire diameter and strength, and number of springs provides a base for adjustment of the pressure applied to the slip clutch plates. Plate-type clutches also use Belleville washers.
What’s the slip clutch setting on a New Holland?
On the older New Holland square balers, the pickup belt tension was adjusted to a point, which took a certain amount of pressure to move the belt idler. Slip clutches are adjusted to transfer a certain amount of force to the machine. A common setting for the PTO slip clutch on an older square baler was 2,400 inch-pounds.