MacDon M1170 Unloading And Assembly Instructions page 156

Term
NPT
Nut
ORB
ORFS
PARK
R1 SP Series
R2 SP Series
RoHS (Reduction of
Hazardous Substances)
rpm
SAE
SCR
Screw
SK
SKD
Soft joint
spm
Tension
TFFT
Torque
Torque angle
Torque-tension
ULSD
Washer
Windrower
WOT
215981
REFERENCE
Definition
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
The slot opposite the NEUTRAL position on operator's console of M1 Series windrowers
MacDon R113 and R116 Rotary Disc Headers for windrowers
MacDon R216 Rotary Disc Headers for windrowers
A directive by the European Union to restrict use of certain hazardous substances (such as
hexavalent chromium used in some yellow zinc platings)
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
Single knife
Single-knife drive
A flexible joint made by use of a fastener in which the joining materials compress or relax
over a period of time
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
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
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
Wide-open throttle
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Revision A