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TILETTO
AL O
PERATING
I
NSTRUCTIONS
9-2 Original Instructions TP-5418901-F
August 2020
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“MOSFET” stands for metal-oxide semiconductor field-effect transistor.
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“NEMA 4X” refers to watertight enclosures as defined by the National Electrical
Manufacturers Association.
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“Nested” refers to the position of the mast were no tubes have risen. The mast remains
retracted. This position is sometimes referred to as “stowed”.
•
“NPT” stands for “American National Standard Pipe Thread” or “National Pipe Thread”
for short; a United States standard for thread specifications on pipes and fittings. NPT
threads are tapered.
•
“N-m” standards for Newton Meters, which is a unit of torque equal to the force of one
newton applied perpendicularly to a moment arm which is one meter long
•
“OD” stands for Outside Diameter or the diameter to the outside edge of a circle
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“Payload” to refer to the object or equipment being raised by the mast to an operational
height
•
“P/N” stands for Part Number. These are Will-Burt part numbers for various components
in the Mast System.
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“Top Tube” refers to the tube with the smallest diameter. When the mast is fully
extended, this is the tube furthest from the mounting surface.
•
“Ø” stands for diameter
9.1.2 Mounting Position Terms
For the purposes of this manual, regions of the mounting location are defined as follows:
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“Mounting Structure” is the overall structure where the Mast System is mounted.
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“Mounting Surface” is the surface to which the base of the mast is secured.
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“Support Structure” is the vertical surface to which the Support Bracket Assembly is
secured.