MacDon R85 Operator's Manual page 37

Term
Nut
N-DETENT
North American header
NPT
ORB
ORFS
rpm
R Series header
RoHS (Reduction of
Hazardous Substances)
SAE
Screw
Self-Propelled (SP)
Windrower
Soft joint
Truck
Tension
TFFT
Torque
Torque angle
Torque-tension
Washer
Windrower
WCM
214366
PRODUCT OVERVIEW
Definition
An internally threaded fastener that is designed to be paired with a bolt
The slot opposite the NEUTRAL position on operator's console of M Series
windrowers.
Header configuration typical in North America
National Pipe Thread: A style of fitting used for low pressure port openings. Threads
on NPT fittings are uniquely tapered for an interference fit
O-ring boss: A style of fitting commonly used in port opening on manifolds, pumps,
and motors
O-ring face seal: A style of fitting commonly used for connecting hoses and tubes
This style of fitting is also commonly called ORS, which stands for O-ring seal
Revolutions per minute
MacDon R80 and R85 disc headers
A directive by the European Union to restrict use of certain hazardous substances
(such as hexavalent chromium used in some yellow zinc platings)
Society of Automotive Engineers
A headed and externally threaded fastener that threads into preformed threads or
forms its own thread into a mating part
Self-propelled machine consisting of a power unit with a header
A joint made with use of a fastener where joining materials are compressible or
experience relaxation over a period of time
A four-wheel highway/road vehicle weighing no less than 3400 kg (7500 lb.)
Axial load placed on a bolt or screw, usually measured in Newtons (N) or
pounds (lb.)
Turns from finger tight
The product of a force X lever arm length, usually measured in Newton-meters (Nm)
or foot-pounds (lbf∙ft)
A tightening procedure where fitting is assembled to a precondition (finger tight) and
then nut is turned farther a number of degrees to achieve its final position
The relationship between assembly torque applied to a piece of hardware and axial
load it induces in bolt or screw
A thin cylinder with a hole or slot located in the center that is to be used as a spacer,
load distribution element, or a locking mechanism
Power unit of a self-propelled header
Windrower control module
20
Revision A