214657
24
Revision A
2.4
Definitions
The following definitions and acronyms may be used in this manual:
Term
Definition
API
American Petroleum Institute.
ASTM
American Society of Testing and Materials.
Bolt
A headed and externally threaded fastener that is designed to be paired with a nut.
CGVW
Combined Gross Vehicle Weight.
Finger tight
Finger tight is a reference position where sealing surfaces or components are
making contact with each other and the fitting has been tightened to a point where
the fitting is no longer loose.
F.F.F.T.
Flats from finger tight.
GVW
Gross Vehicle Weight.
hp
Horsepower.
JIC
Joint Industrial Council: A standards body that developed the standard sizing and
shape for original 37° flared fitting.
n/a
Not applicable.
Nut
An internally threaded fastener that is designed to be paired with a bolt.
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.
ORB
O-ring Boss: a style of fitting commonly used in port opening 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.
Pick-Up Header
A machine that attaches to a combine that picks up grain that has been cut and laid
in windrows.
PTO
Power take-off.
RoHS (Reduction of
Hazardous Substances)
A directive by the European Union to restrict the use of certain hazardous
substances (such as hexavalent chromium used in some yellow zinc platings).
SAE
Society of Automotive Engineers.
Screw
A headed and externally threaded fastener that threads into preformed threads or
forms its own thread in one of the mating parts.
Soft joint
A joint made with the use of a fastener where the joining materials are compressible
or experience relaxation over a period of time.
spm
Strokes per minute.
Tension
Axial load placed on a bolt or screw, usually measured in Newtons (N) or
pounds (lb.).
T.F.F.T.
Turns from finger tight.
Torque
The product of a force X lever arm length, usually measured in Newton-meters (Nm)
or foot-pounds (lbf
∙
ft).
Содержание PW8
Страница 2: ...PW8 Pick Up Header Published May 2018...
Страница 3: ...Declaration of Conformity Figure 1 EC Declaration of Conformity 214657 i Revision A...
Страница 4: ...Figure 2 EC Declaration of Conformity 214657 ii Revision A...
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Страница 145: ...214657 131 Revision A Figure 4 73 John Deere Combine Control Console A Scroll Knob B Check Mark Button AHHC SYSTEM...
Страница 147: ...214657 133 Revision A AHHC SYSTEM...
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