tractor pto
DESCRIPTION
PresentationTRANSCRIPT
PTOPTO
PTOPTO The Power Take Off - or PTO - The Power Take Off - or PTO -
transfers power from the tractor to transfers power from the tractor to another implement such as a grain another implement such as a grain auger, manure spreader, mower or auger, manure spreader, mower or feed grinderfeed grinder
This power transfer system helped to This power transfer system helped to revolutionize North American agriculture revolutionize North American agriculture during the 1930s. during the 1930s.
It is also one of the oldest and most It is also one of the oldest and most persistent hazards associated with farm persistent hazards associated with farm machinery. machinery.
PTOPTO The PTO supplies The PTO supplies
power from the power from the tractor to operate tractor to operate farm equipment farm equipment implements via a implements via a drive shaftdrive shaft
PTOs on the Farm PTOs on the Farm PTOs Drive…PTOs Drive…
Pull behind Pull behind equipmentequipmentBush HogBush HogBalerBalerSpreadersSpreadersPlantersPlantersHarvesting Harvesting equipmentequipment
Stationary Stationary equipmentequipmentGeneratorGenerator
Irrigation pumpIrrigation pump
Wood splitterWood splitter
Augers to fill grain Augers to fill grain bins and silosbins and silos
Feed GrinderFeed Grinder
PTO InfoPTO Info
PTOs operate by turning at PTOs operate by turning at speeds of 9 - 16 rotations per speeds of 9 - 16 rotations per second. second.
This speed and the device make This speed and the device make the PTO very dangerous.the PTO very dangerous.
PTO StubPTO Stub
IIDIID
Implement Implement Input Input Driveline (IID) Driveline (IID) connects to connects to the PTO Stubthe PTO Stub
IIDIID
The IID The IID connects the connects the PTO Stub to an PTO Stub to an implement or implement or other devise. other devise.
PTO CouplingPTO Coupling
PTO – Stationary UsePTO – Stationary Use
PTO IncidentsPTO Incidents involve the tractor operator 78 percent of the time. involve the tractor operator 78 percent of the time. shielding was absent or damaged in 70 percent of the shielding was absent or damaged in 70 percent of the
cases. cases. entanglement areas were at the PTO coupling, either at the entanglement areas were at the PTO coupling, either at the
tractor or implement connection just over 70 percent of the tractor or implement connection just over 70 percent of the time. time.
stationary equipment, such as augers, elevators, post-hole stationary equipment, such as augers, elevators, post-hole diggers, and grain mixers were involved in 50 percent of diggers, and grain mixers were involved in 50 percent of the cases. the cases.
semi-stationary equipment, such as self unloading forage semi-stationary equipment, such as self unloading forage wagons and feed wagons, were involved in 28 percent of wagons and feed wagons, were involved in 28 percent of the cases. the cases.
nearly all incidents involving moving machinery, such as nearly all incidents involving moving machinery, such as hay balers, manure spreaders, rotary mowers, etc., were hay balers, manure spreaders, rotary mowers, etc., were non-moving at the time of the incident (the PTO was left non-moving at the time of the incident (the PTO was left engaged). engaged).
only four percent of the incidents involved no attached only four percent of the incidents involved no attached equipment. This means that the tractor PTO stub was the equipment. This means that the tractor PTO stub was the point of contact four percent of the timepoint of contact four percent of the time. .
PTOPTO
The spinning The spinning motion of the PTO motion of the PTO creates a creates a ‘Wrapping Hazard’‘Wrapping Hazard’
PTO Warning SignPTO Warning Sign
GuardsGuards
A PTO Guarding A PTO Guarding system includes:system includes:• A master shieldA master shield• Connection end Connection end
shieldshield• Driveline shieldDriveline shield• Implement Input Implement Input
Connection shieldConnection shield
PTO Shields on Farms
No PTO Shield22%
Shielded & OK65%
DamagedShield13%
PTO Safety PracticesPTO Safety Practices Keep PTO systems shielded and guarded. Keep PTO systems shielded and guarded. Regularly test driveline guards by spinning or Regularly test driveline guards by spinning or
rotating them to ensure they have not become rotating them to ensure they have not become stuck to the shaft. stuck to the shaft.
Disengage the PTO and shut off the tractor before Disengage the PTO and shut off the tractor before dismounting to clean, repair, service, or adjust dismounting to clean, repair, service, or adjust machinery. machinery.
Walk around tractors and machinery rather than Walk around tractors and machinery rather than stepping over a rotating shaft. stepping over a rotating shaft.
Reduce PTO shaft abuse by observing the Reduce PTO shaft abuse by observing the following: avoid tight turns that pinch rotating following: avoid tight turns that pinch rotating shafts between the tractor and machine; engage shafts between the tractor and machine; engage power to the shaft gradually;power to the shaft gradually;
PTO Safety RemindersPTO Safety Reminders