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10
GENERAL
SAFETY
INSTRUCTIONS
than 25% full. The product should then be circulated
through the spray bar at a rate of 10 to 20 GPM before
continuing the loading operation.
If foaming does occur, continue circulating until the
foaming stops, and then suck back the product in the
spray bar back into the tank before filling the tank the
rest of the way.
Asphalt Institute
To further increase awareness of the hazards
associated with the operation of a bituminous
distributor, and before beginning initial operation,
the operator should also receive instruction by an
authorized Etnyre dealer, or Etnyre representative.
The Centennial Distributor is designed to handle a
number of different products, such as ACs, cutbacks
& emulsions.
Knowledge of these liquid asphalts is required for safe
operation of the Distributor. It is critical to know which
product can be loaded after the previous product, and
which products react with each other.
The Asphalt Institute is a source of asphalt handling
safety information.
www.asphaltinstitute.org
email: [email protected]
sponding burner indicator (Lower or Upper) will
flash white to red at one second intervals to warn
the operator. The Low Tank - Burners fault will acti-
vate on the Faults page. If a flue has low coverage,
its ON button must be held for one second to start
the burner as a safety precaution.
If the warning is active and the burner ON button is
pressed, the fault Burners - Low Level will become
active on the faults page.
Figure 2. Flashing Low Level Indicator
Figure 3. Low Tank - Burners fault
Foaming
If the Distributor is to be filled with hot bitumen,
proceed very cautiously. If there is any moisture in
the tank, or if an emulsion product was the last load,
foaming or eruption may occur.
Dow-Corning DC-200 may be used to prevent foaming
in Distributors, Transports, and Maintenance Units.
Mix the contents of one can (16 oz.) with one (1) gallon
of diesel fuel or kerosene. Add one (1) oz. of this
diluted mixture to each 1000 gallons of asphalt. The
correct amount may be poured through the manhole.
This will assist in reducing foaming, particularly if
moisture is present or if an emulsified asphalt was
used in a previous load.
If foaming does not occur at the start of the loading
operation, but you suspect that there may be moisture
in the spray bar or circulating system, the loading
operation should be stopped when the tank is no more
WARNING
To prevent possible burns from foaming
or violent eruption:
• Do not load tank with material temperature
over 200° F if water or condensation is
present in tank, or if emulsion was used in
the previous load.
• Do not heat material over 200° F if moisture
or emulsified material is present in tank.
To prevent possible burns from material
overflow:
• Allow sufficient space in the tank for
expansion of the material when heating
• Before removing the fill line cap, make
certain that the asphalt pump is turning and
the tank valve is closed.
WARNING
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