Definitions - MacDon R113 Operator's Manual

2.3 Definitions

The following terms and acronyms may be used in this manual.
Term
API
ASTM
Bolt
Center-link
CGVW
Finger tight
FFFT
GVW
Hard joint
Hex key
hp
JIC
n/a
Nut
NPT
ORB
ORFS
R1 Series header
RoHS (Reduction of
Hazardous Substances)
SAE
Screw
Soft joint
SP disc header
214077
PRODUCT OVERVIEW
Definition
American Petroleum Institute
American Society of Testing and Materials
A headed and externally threaded fastener that is designed to be paired with a nut
A hydraulic cylinder link between header and machine used to change header angle
Combined vehicle gross weight
Finger tight is a reference position where sealing surfaces or components are
making contact with each other, and fitting has been tightened to a point where
fitting is no longer loose
Flats from finger tight
Gross vehicle weight
A joint made with use of a fastener where joining materials are highly
incompressible
A tool of hexagonal cross-section used to drive bolts and screws that have a
hexagonal socket in head (internal-wrenching hexagon drive); also known as an
Allen key and various other synonyms
Horsepower
Joint Industrial Council: A standards body that developed standard sizing and shape
for original 37° flared fitting
Not applicable
An internally threaded fastener that is designed to be paired with a bolt
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
MacDon R113 and R116 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
A joint made with use of a fastener where joining materials are compressible or
experience relaxation over a period of time
Rotary disc header that connects to self-propelled machine (windrower, etc.)
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Revision A