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Revision A
Term
Definition
n/a
Not applicable
North American header
Header configuration typical in North America
NPT
National Pipe Thread: A style of fitting used for low-pressure port openings. Threads on
NPT fittings are uniquely tapered for an interference fit
Nut
An internally threaded fastener that is designed to be paired with a bolt
ORB
O-ring boss: A style of fitting commonly used in port openings on manifolds, pumps,
and motors
ORFS
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
PARK
The slot opposite the NEUTRAL position on operator
’
s console of M1 Series windrowers
RoHS (Reduction of
Hazardous Substances)
A directive by the European Union to restrict use of certain hazardous substances (such as
hexavalent chromium used in some yellow zinc platings)
rpm
Revolutions per minute
SAE
Society of Automotive Engineers
Screw
A headed and externally threaded fastener that threads into preformed threads or forms
its own thread into a mating part
SDD
Single-draper drive
Self-Propelled (SP)
Windrower
Self-propelled machine consisting of a power unit with a header
Soft joint
A joint made with use of a fastener where joining materials are compressible or
experience relaxation over a period of time
spm
Strokes per minute
SR
Single reel
Tension
Axial load placed on a bolt or screw, usually measured in Newtons (N) or pounds (lb.)
TFFT
Turns from finger tight
Timed knife drive
Synchronized motion applied at cutterbar to two separately driven knives from a single
hydraulic motor
Torque
The product of a force X lever arm length, usually measured in Newton-meters (Nm) or
foot-pounds (lbf
∙
ft)
Torque angle
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
Torque-tension
The relationship between assembly torque applied to a piece of hardware and axial load it
induces in bolt or screw
Truck
A four-wheel highway/road vehicle weighing no less than 3400 kg (7500 lb.)
UCA
Upper cross auger
Untimed knife drive
Unsynchronized motion applied at cutterbar to two separately driven knives from a single
hydraulic motor or two hydraulic motors
Washer
A thin cylinder with a hole or slot located in the center that is to be used as a spacer, load
distribution element, or locking mechanism
WCM
Windrower control module
Содержание D1X Series
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