MacDon M155 Unloading And Assembly Instructions page 301

Table 8.16 Definitions (continued)
Term
ORFS
R Series Header
R1 SP Series Header
rpm
SAE
Screw
Self Propelled (SP)
Windrower
spm
SST
Tension
TFFT
Torque
Torque angle
Torque-tension
UCA
ULSD
Washer
WCM
Windrower
262320
REFERENCE
Definition
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 R80 and R85 Rotary Disc Headers
MacDon R113 and R116 Rotary Disc Headers for windrowers
Revolutions per minute
Society of Automotive Engineers
A headed and externally threaded fastener that threads into preformed threads or forms
its own thread when inserted into a mating part
Self-propelled machine consisting of a power unit and a header. It is designed to cut and
lay crops into windrows for later harvest
Strokes per minute
Slow speed transport
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) or foot-pounds (lbf∙ft)
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
Upper cross auger
Ultra-low sulphur diesel
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
Windrower control module
The power unit for a header
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Revision A