1-15. FUEL LOADING/UNLOADING SYSTEM (Con't).
Provides access to inside of tank.
Delivers bottom loaded fuel to precheck can of jet level sensor:
Precheck Tubing (Check
When can is full, a "full-tank" condition is simulated, pressure of
fuel picked up by jet level sensor outlet orifice drops, and
emergency valve closes to stop bottom loading.
Automatic level sensing and shut-off device which is part of bottom
Jet Level Sensor
loading apparatus. Located at top inside of tank, just behind
manhole opening. Depends on pressure from bottom loading
source to force fuel through orifice. Automatically shuts off fuel al
emergency valve when fuel in tank reaches preset capacity.
Provides access to top of semitrailer. Drains spilled fuel contained
within overturn rails and front and rear dams through its hollow
Connects vapor collection header to ground level adapter, which is
Vapor Return Line
compatible with 4 in. (10.3 cm) quick disconnect field vapor
recovery system connection.