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Definitions - MacDon C Series Unloading And Assembly Instructions

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8.3 Definitions

The following terms, abbreviations, and acronyms are used in this instruction.
Table 8.6 Definitions
Term
AHHC
API
ASTM
Bolt
FFFT
Field configuration
Finger tight
JIC
n/a
NPT
Nut
ORB
ORFS
RED
SAE
Screw
Shipping configuration
TED
Tension
TFFT
Torque
Torque angle
Torque-tension
Transport configuration
Washer
262362
REFERENCE
Definition
Automatic header height control
American Petroleum Institute
American Society of Testing and Materials
A headed and externally threaded fastener designed to be paired with a nut
Flats from finger tight
Also known as working position. The configuration of the machine when working in the
field.
A reference position in which the given sealing surfaces or components are making
contact with each other. The fitting has been tightened by hand to a point where the
fitting is no longer loose and cannot be tightened further by hand
Joint Industrial Council: A standards body that developed standard sizing and shape for
the original 37° flared fitting
Not applicable
National Pipe Thread: A style of fitting used for low-pressure port openings. Threads on
NPT fittings are uniquely tapered for an interference fit
An internally threaded fastener designed to be paired with a bolt
O-ring boss: A style of fitting commonly used in port openings 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
Rotary end divider
Society of Automotive Engineers
A headed and externally threaded fastener that threads into preformed threads or forms
its own thread when it is inserted into a mating part.
The configuration of the machine when it is shipped from the factory
Tall end divider
An axial load placed on a bolt or screw, usually measured in Newtons (N) or pounds (lb.).
This term can also be used to describe the force a belt exerts on a pulley or sprocket
Turns from finger tight
The product of a force * the length of a lever arm, usually measured in Newton-meters
(Nm), foot-pounds (lbf∙ft), or inch-pounds (lbf∙in)
A tightening procedure in which a fitting is assembled to a specified tightness (usually
finger tight) and then the nut is turned farther by a specified number of degrees until it
achieves its final position
The relationship between the assembly torque applied to a piece of hardware and the
axial load it induces in a bolt or screw
The configuration of the machine when it is being transported between fields.
A thin cylinder with a hole or a slot located in the center, used as a spacer, a load
distribution element, or a locking mechanism
84
Revision A

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