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Revision A
6.3
Definitions
The following terms and acronyms may be used in this instruction:
Term
Definition
A Series header
MacDon A30S, A30D, A40D, A40DX, and Grass Seed auger headers
API
American Petroleum Institute
ASTM
American Society of Testing and Materials
Bolt
A headed and externally threaded fastener that is designed to be paired with a nut
Cab-forward
Windrower operation with Operator and cab facing in direction of travel
CDM
Cab display module on a windrower
Center-link
A hydraulic cylinder link between header and machine used to change header angle
CGVW
Combined gross vehicle weight
DK
Double knife
DKD
Double-knife drive
DWA
Double Windrow Attachment
ECM
Engine control module
Export header
Header configuration typical outside North America
FFFT
Flats from finger tight
Finger tight
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
GSS
Grass Seed
GVW
Gross vehicle weight
Hard joint
A joint made with use of a fastener where joining materials are highly incompressible
Header
A machine that cuts and lays crop into a windrow and is attached to a windrower
Hex key
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
hp
Horsepower
JIC
Joint Industrial Council: A standards body that developed standard sizing and shape for
original 37° flared fitting
Knife
A cutting device which uses a reciprocating cutter (also called a sickle)
n/a
Not applicable
N-DETENT
The slot opposite the NEUTRAL position of M Series SP Windrowers on operator
’
s console
North American header
Header configuration typical in North America
NPT
National Pipe Thread: A style of fitting used for low-pressure port openings. Threads on
NPT fittings are uniquely tapered for an interference fit
Nut
An internally threaded fastener that is designed to be paired with a bolt
ORB
O-ring boss: A style of fitting commonly used in port openings on manifolds, pumps,
and motors