MacDon M2170 Unloading And Assembly Instructions page 261

Table 6.13 Definitions (continued)
Term
ORFS
PARK
R1 SP Series Header
R2 SP Series Header
rpm
SAE
SCR
Screw
spm
Tension
TFFT
Timed (knife drive)
Torque
Torque angle
Torque-tension
ULSD
Untimed (knife drive)
Washer
Windrower
262175
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
The slot opposite the NEUTRAL position on operator's console of M1 and M2 Series
Windrowers
MacDon R113 and R116 Rotary Disc Headers for windrowers
MacDon R216 Rotary Disc Headers for windrowers
Revolutions per minute
Society of Automotive Engineers
Selective catalytic reduction
A headed and externally threaded fastener that threads into preformed threads or forms
its own thread when inserted into a mating part
Strokes per minute
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
Synchronized motion applied at cutterbar to two separately driven knives from a single
hydraulic motor
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
Ultra-low sulphur diesel
Unsynchronized motion applied at the cutterbar to two separately driven knives from a
single hydraulic motor or from two hydraulic motors
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
The power unit for a header
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Revision A