The wrap point hazard isn’t the only hazard associated with IID shafts. Serious injury has occurred when shafts have become separated while the tractor’s PTO was involved. The machine’s IID shaft is a 
“telescoping shaft”. That is, one section of the shaft will slide right into a second Tractor Pto Shaft component. This shaft feature offers a sliding sleeve which significantly eases the hitching of PTO run machines to tractors, and enables telescoping when turning or moving over uneven ground. If an IID shaft is certainly coupled to the tractor’s PTO stub but no different hitch is made between your tractor and the device, then your tractor may draw the IID shaft aside. If the PTO is certainly engaged, the shaft on the tractor end will swing wildly and could strike anyone in range. The swinging drive may break a locking pin making it possible for the shaft to become flying missile, or it could strike and break something that is fastened or installed on the rear of the tractor. Separation of the driveline shaft isn’t a commonly occurring function but is most likely to occur when three-point hitched devices is improperly mounted or aligned, or when the hitch between the tractor and the fastened equipment breaks or accidentally uncouples.
Also, many work practices such as clearing a plugged machine contributes to operator contact with operating PTO shafts. Different unsafe procedures include mounting, dismounting, reaching for control levers from the rear of the tractor, and stepping across the shaft instead of walking around the machinery. An extra rider while PTO power machinery is operating is another exposure condition.
PTO power machinery could be engaged while no person is on the tractor for many reasons. Some PTO run farm tools is managed in a stationary placement therefore the operator only requirements to get started on and stop the gear. Examples of this sort of devices consist of elevators, grain augers, and silage blowers. At various other times, modifications or malfunction of machine components can only just be produced or found while the machine is operating.