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Abbreviations and Symbols
Selection of Location to Install BIS 20240 (LLS20230)
1) Installation of BIS 20240 must be carried out outside of explosion hazard zone, on a
smooth surface (e.g. cabin).
2) While selecting the location for installation, take into consideration the length of
the cable intended to connect stabilitron-based spark protection unit BIS 20240 with
an external device (e.g. FMS).
Note. Connection of BIS 20240 with fuel level sensor LLS 20230 should be made only
by cable KTZ-XX produced by Omnicomm, where XX – cable length (which can be
chosen within the range from 10 to 25m).
Preparation of the Fuel Tank for Product Installation
1) When preparing the holes for installation of LLS fuel level sensors:
If the fuel tank is used for diesel fuel, it is recommended to fill the tank with diesel
fuel to the full before drilling holes — this will minimize the vapor content inside.
If the fuel tank is used for gasoline, it should be steamed.
When drilling holes without preliminary steaming (appropriate only for tanks used
for diesel fuel without any corrosive impurities), it is recommended to coat bimetal
bits or drill with grease oil or lithium grease, which will prevent sparking during
drilling.
If the tank filler neck can be dismantled, tank steaming is not required. Dismantle
the tank filler neck and perform installation works far from the fuel tank.
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