2
Important Safety Messages
FE Petro
®
equipment is designed to be installed in association with volatile hydrocarbon liquids such as gasoline and diesel
fuel. Installing or working on this equipment means working in an environment in which these highly ammable liquids may
be present. Working in such a hazardous environment presents a risk of severe injury or death if these instructions
and standard industry practices are not followed. Read and follow all instructions thoroughly before installing or
working on this, or any other related equipment.
As you read this guide, please be aware of the following symbols and their meanings:
Warning
This symbol identies a warning. A warning sign will appear in the text of this document when a
potentially hazardous situation may arise if the instructions that follow are not adhered to closely. A
potentially hazardous situation may involve the possibility of severe bodily harm or even death.
This is a caution symbol. A caution sign will appear in the text of this document when a potentially
hazardous environmental situation may arise if the instructions that follow are not adhered to closely. A
potentially hazardous environmental situation may involve the leakage of fuel from equipment that could
severely harm the environment.
Follow all applicable codes governing the installation and servicing of this product and the
entire system. Always lock out and tag electrical circuit breakers while installing or servicing this
equipment and related equipment. A potentially lethal electrical shock hazard and the possibility
of an explosion or re from a spark can result if the electrical circuit breakers are accidentally
turned on during installation or servicing. Do not smoke while working on or near this equipment,
and use only non-sparking tools.
Before entering a containment sump, check for the presence of hydrocarbon vapors. If these
vapors are inhaled they could cause dizziness or unconsciousness, and, if ignited, hydrocarbon
vapors could explode causing serious injury or death. Electronic and electrical petroleum
monitoring equipment is often housed in containment sumps designed to trap hazardous liquid
spills and prevent contamination of the environment, and, as a consequence, containment sumps
can trap dangerous amounts of hydrocarbon vapors. If these vapor levels reach unsafe amounts,
ventilate the sump with fresh air. While working in the sump, periodically check the atmosphere
in the sump, if vapors reach unsafe levels, exit the sump and ventilate it before continuing
work. Always have a second person standing by for assistance when working in, or around, a
containment sump.
Follow all federal, state, and local laws governing the installation of this product and its
associated systems. When no other regulations apply, follow NFPA codes 30, 30A, and 70 from the
National Fire Protection Association. Failure to follow these codes could result in severe injury,
death, serious property damage, and/or environmental contamination.
Always secure the work area from moving vehicles. The equipment in this manual is usually
mounted underground, so reduced visibility puts service personnel working on this equipment in
danger from moving vehicles entering the work area. To help eliminate these unsafe conditions,
secure the area by using a service truck to block access to the work environment, or by using any
other reasonable means available to ensure the safety of service personnel.
Thermal expansion can cause pressure to build up in the product lines. FE Petro
®
, Inc. STP / IST’s
have a built-in relief valve to release this excess line pressure back to the tank. Do not use an
additional check valve unless it has the capability to relieve excess pressure back to the tank,
as this could result in a buildup of abnormal pressure in the lines, causing a pipe or joint in the
supply line piping to burst, and release of fuel into the environment.
This leak detector is designed for use in certain applications and in compliance with industry
standards and practices. Use in different applications or failure to follow industry standards and
practices may cause the product to malfunction or fail.
Do not attempt to disassemble the leak detector. Some parts are under strong spring tension and
could cause severe injury if not handled properly.
STP-MLD+ units are designed to detect leaks from the STP manifold and piping downstream of it.
A leak in the piping upstream of the STP-MLD+, which includes the pump, would require a second
means of monitoring to be detected. Thus, install the STP-MLD+ as close to the pump as possible
to minimize upstream piping.
Warning
Warning
Warning
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