Page 42PROTECTOR® IV Top of Rail Installation, Operation & Maintenance Manual
GLOSSARY OF TERMS
• CAUTION. Title included wherever a particular procedure or step may cause equipment to be damaged if
not done correctly.
• Clean Hands Section. Section of the PROTECTOR IV tank which contains the Digital Control Box, Motor,
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• Crib. The ballast, or the open space, between two adjacent crossties.
• Digital Control Box (DCB). Used to control the operation of the PROTECTOR IV unit.
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;$#)3$>2)*;&).&)4*&).<&.8&3"$6&54*3*&$)&8.3+#&"&)4$/&;3(&06+&54$%4&*/#23*#&$+<3.?*;&)3"%T$/1&)43.214&%23?*#@&
reduced noise and control of wear on rails.
• Liquid Crystal Display (LCD). Shows system related information in an alpha-numeric format.
• Light Emitting Diode (LED).
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• Stage One. A display sequence on the LCD which is shown immediately after display of “L.B. Foster.” Stage
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seconds, then the wheel frequency and pump duration for ten seconds.
• Smart Wheel Sensor (SWS). Wheel sensor that recognizes the signature of a wheel passing and communicates
with the DCB.
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• WARNING. Title included wherever a particular procedure or step may cause bodily injury or harm if all
safety precautions have not been administered.
• Wheel Count. Number of train wheels which have been recorded by the digital control box of a PROTECTOR
IV as passing by its sensor unit.
• Wheel Frequency. The number of train wheels which must pass by an installed PROTECTOR IV sensor unit
to activate the pump.
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