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Glossary
Glossary
122
P-32+ and P-32 Operator’s Manual P/N: 1001547-01
F
Feeders
The auger-conveyors on the right and left hand sides of a paving machine.
G
Grade
The base surface (road bed) over which paving is being laid.
The elevation of a fresh mat in relation to the base.
The incline of a paving surface in the direction of travel, expressed by stating the rise or fall as a percent age
of horizontal distance.
(i.e., 6% grade = 6' of elevation change in 100' of horizontal longitudinal run).
Grade Control
A means of controlling the elevation of a mat as it is being laid.
Grade Sensor
An electric device which detects positive and negative changes in elevation from a grade reference (i.e., surface
string, floating beam, mat reference, adjacent mat or curb surface).
H
Head of Material
The volume of paving material directly in front of and across the entire length of the screed.
Hopper
The area at the front of the paving machine which receives the paving material.
Hydraulic
Liquid in motion under pressure, the flow of which causes work to be accomplished.
Hydrostatic Transmission
Power transmitted by a positive displacement pump through a liquid under pressure to a positive displacement
motor.
I
Inclinometer
See Slope Sensor
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