MacDon PW8 Pick-Up Header - Manual (Page 25)

2 Description
2.1 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 Vehicle Gross 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 picks up grain that has been cut and laid in windrows, and is
attached to a combine.
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 pounds (lb) or Newtons (N).
T.F.F.T. Turns from finger tight.
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Revision A