Operating and Maintenance Instructions
EN
DC.16DEX
4
www.dvp.it
8702042 – 01/10/2014 – R.4
2
SAFETY
2.1
GENERAL WARNINGS
L’atmosfera esplosiva costituisce un grave pericolo per la salute dei lavoratori e pertanto devono essere
attivate tutte le misure di prevenzione possibili, in accordo con le normative locali vigenti.
Gli impianti elettrici installati in zona classificata ATEX sono soggetti a denuncia all’INAIL e verifica
periodica biennale da parte dell’ASL/ARPAV.
It is important to read this manual before performing any operation on the pump. Compliance with the safety
standards of the country in which the pump is installed and requirements of qualified personnel for various
maintenance, use, installation, etc. are recommended throughout the life of the pump.
The main rules of conduct to be observed for operation at a suitable level of security are the following:
•
Installation, operation, maintenance, etc. operations should always be performed by qualified, trained personnel.
•
Without exception, always wear necessary personal protective equipment.
•
Always perform all cleaning, adjustment and maintenance operations with all power equipment cut off.
•
Do not direct water jets toward electrical parts, even if they are protected by enclosures.
•
Do not smoke during work or maintenance, especially where solvents or flammable materials are being used.
•
Do not damage symbol plaques or pictograms on the pump. If they should accidentally become damaged,
immediately replace them with other identification plaques.
D.V.P. Vacuum Technology s.p.a. disclaims any liability for damage to persons or property resulting from improper
use of the pump, from tampering with its safety apparatus or failure to observe operational safety standards.
2.2
RESIDUAL RISKS
HAZARD
This pump has been designed to minimise residual risks to personnel. We urge you, however, to
take the utmost care and attention in carrying out maintenance operations. The confidence gained
with frequent contact with the pump too often leads users to forget or underestimate risks.
High temperature hazard
Pump surfaces can exceed a temperature of 70°C. Install the pump in a protected area that is accessible only by
authorised personnel and only perform operations when the pump is stopped and cooled.
Hazard generated by low pressure
Avoid contact with pump intake attachment during operation. Before any interventions, isolate the pump from the
system, introduce air into the intake circuit and clean the area with an ATEX atmosphere. Contact with low pressure
points can cause accidents.
Hazard generated by pressure
The pump tank is pressurised. Do not open and do not leave oil filler or drain plugs open during operation.
Danger of emission of an ATEX atmosphere
The pump will draw fluids, gases or vapours containing potentially explosive atmospheres (ATEX) The
intake/discharge connections and the filling/draining oil caps must be securely tightened and properly connected to
the system in order to avoid contamination of the working environment with an ATEX atmosphere.
Danger from the emission of harmful and/or explosive substances
The pump exhaust air contains traces of oil mist and an ATEX atmosphere; check the compatibility of the oil with
the system operator and that the discharge of the pump is securely connected to prevent the escape of an ATEX
atmosphere into the working environment.
Faults or wearing of seals may cause oil lubricant leaks and an explosive atmosphere. Avoid dispersion in soil, the
pollution of other materials and the emission of an ATEX atmosphere.
Whenever air containing hazardous substances are sucked in (i.e. biological or microbiological agents), use
abatement systems placed before the vacuum pump. Used oil must be disposed of according to applicable
regulations in the country of pump use.
Electrical hazard
Electrical equipment in the pump includes live parts which, upon contact, can cause serious damage to persons and
property. Any kind of intervention on the electrical system must be performed by qualified personnel.
Fire and/or explosion hazard
Use of the pump in areas that are inconsistent with its marking, for any uses not provided for or prohibited by this
manual as well as a lack of proper maintenance can cause malfunction with a risk of overheating, fire or explosions.
In case of fire, do not use water to extinguish the flames, but use dry chemical or CO2 or other means compatible
with the presence of electrical equipment and lubricants.