Elmo Rietschle L-BL2 - Manual (Page 7)

Intended Use
© Gardner Denver Deutschland GmbH 7 / 36 610.44444.40.000
2 Intended Use
These operating instructions
 apply to vacuum pumps of the L-BL2 series,
models 2BL2 041, 2BL2 061, 2BL2 101,
2BL2 141, 2BL2 251, 2BL2 281 and 2BL2 341
 contain instructions bearing on transport and
handling, installation, commissioning,
operation, shut-down, storage, servicing and
disposal of the L-BL2,
 must be completely read and understood by
all operating and servicing personnel before
beginning to work with or on the L-BL2,
 must be strictly observed,
 must be available at the site of operation of
the L-BL2.
About the operating and servicing personnel of
the L-BL2:
 These persons must be trained and
authorised for the work to be carried out.
 Work on electrical installations may be carried
out by trained and authorised electricians
only.
The L-BL2s
 are systems for generating a vacuum.
 contain a liquid-ring vacuum pump of the L-
BV7 series, model 2BV7 or L-BV5,
model 2BV5 (in the following referred to as
"unit"), which is installed in a liquid separator
(in the following referred to as "separator").
 are used to extract, transport and compress
the following pumped gases/vapours:
– all dry and moist gases,
which are not explosive, aggressive or
toxic,
– preferably air or air/vapor mixtures.
– For gases/vapours that differ, an enquiry
must be made with the Service
Department.
 are designed for operation with the following
operating liquids :
– with a pH of 6 to 9,
which is free of solid materials (such as
sand),
– usually normal tap water.
– If the pH values or operating liquids differ,
it is necessary to contact the Service
Department.
 release gases with the following properties
into the environment during operation:
– discharge temperature  ambient
temperature,
– discharge pressure  ambient pressure,
– absolutely clean and dust-free.
 exist in the following designs:
– 2BL2 041
– 2BL2 061
– 2BL2 101
– 2BL2 141
– 2BL2 251
– 2BL2 281
– 2BL2 341
 are oil-free and non-contacting units.
 are air-cooled units.
 are intended for industrial applications.
 are designed for continuous operation.
When operating the L-BL2, the limits listed in
Chapter 3, "Technical Data", Pg. 8 ff. must
always be complied with.
Foreseeable Misuse
It is prohibited
 to use the L-BL2 in non-industrial applications,
unless the necessary protection is provided
on the system, e.g. guards suitable for
children's fingers,
 to use the device in rooms in which explosive
gases can occur if the S
_200 is not expressly intended for this
purpose,
 to extract, to deliver and to compress
explosive, flammable, corrosive or toxic fluids,
unless the S
_200 is specifically designed for this purpose,
 to operate the L-BL2 with values other than
those specified in Chapter 3, "Technical
Data", Pg. 8 ff.
Any unauthorised modifications of the L-BL2 are
prohibited for safety reasons.
Maintenance and repair work by the operator are
only permitted in the scope described in these
operating instructions.
Any maintenance and repair work going beyond
this may only be conducted by companies
authorised by the manufacturer (enquiry with the
Service Department necessary).
This especially applies to the unit installed in the
L-BL2 (liquid-ring vacuum pump of the L-BV7
series, model 2BV7 or L-BV5, model 2BV5):
The installed unit may be neither removed nor
dismantled! any maintenance and repair work,
such as replacing worn or defective components,
may only be carried out by companies authorised
by the manufacturer (please contact the Service
Department).