Maintenance
LT5
80
Hauser
9
Maintenance
9.1
Maintenance work
9.1.1
Precaution prior to maintenance
• Exercise caution when working with flammable liquid tanks. Allow flammable
liquids plenty of time to diffuse before pumping or transferring to the tank (refer to
the table below).
• Wear antistatic clothing, gloves and safety shoes when handling flammable liquid
tanks.
• Work must be conducted in the presence of a safety supervisor.
Conductivity
of charging
material
(S/m)
Flammable
liquid
example
Volume of charging material (m3)
10 or less
10 to 50
50 to 5000 5000 or
more
10
-8
or higher Acetic acid
Ethanol
Ethyl chloride
Methanol
Light oil
1 minute or longer
1 minute or longer
1 minute or
longer
1 minute or
longer
10
-12
to 10
-
8
Vinyl acetate
Toluene
Benzene
Gasoline
2 minutes or longer
3 minutes or longer
10 minutes
or longer
30 minutes
or longer
10
-14
to 10
-12
Methyl
cyclohexane
4 minutes or longer
5 minutes or longer
60 minutes
or longer
120
minutes or
longer
10
-14
or lower Carbon
tetrachloride
10 minutes or longer
10 minutes or longer
120
minutes or
longer
240
minutes or
longer
10 m³
2.5
(8.2)
2
(6.57)
Unit of
measurement mm (in)
3.6
(11.81)
5
(16.4)
50 m³
Unit of
measurement mm (in)
17.84
(58.53)
20
(65.62)
5000 m³
Unit of
measurement mm (in)