2.0 -TECHNICAL INFORMATION
2.1
- DESCRIPTION OF THE GEAR UNIT
The gear unit, driven by
an
electric or hydraulic motor, has been designed and constructed for integration
into
an
assembly of interlocking parts or mechanisms as part
of
a specific application.
Depending on the requirements of the application, the gear unit can be supplied
in
a variety of motor execu-
tions and configurations. It is capable of satisfying a range of specific requirements
in
the mechanical, chemi-
cal, agricultural and food industries, etc.
BONFIGLIOLI TRASMITAL supplies a range of accessories and optionals to make their produets
as
versati-
le as possible. For further technical information and descriptions, refer to the corresponding Sales Catalo-
gue.
The User is responsible for using the produets recommended for installation and maintenance of
SAFETY SPECIFICATIONS OF GEAR UNITS COMPL YING WITH DIRECTIVE 94/9/EC
• unit selection must
be
made with a higher safety service factor
• use only synthetic lubricants (oil and grease)
•
VITON®
seal rings
• vent plugs with spring-loaded anti-intrusion valve
• oil plugs with aluminium washer
• oil seals with dust trap
• no metal moving parts external to the gear unit
• no plastic parts capable of building up an electrostatic charge, or, if present, duly shielded
• for installations
in
zones
21
and 22 the User must schedule and implement a regular cleaning
programme for all surfaces and recesses to avoid dust build ups
of
more than 5
mm
in
depth.
2.2 - CONFORMITY
All gear units or gearmotors (when supplied with electric motor) are designed
in
compliance with the provi-
sions of applicable Essential Health and Safety Requirements, the "Machinery Directive" 98/37/EC and, if re-
quested, can be supplied with a Manufacturer's Declaration - Annex
118
as
provided by said Directive.
All BONFIGLIOLI gearmotor electric motors conform to the provisions of the Low Voltage Directive
73/23/EEC and the Electromagnetic Compatibility Directive 89/336/EEC.
Furthermore, if specified for use
in
potentially explosive atmospheres, the gear units are desi-
gned and constructed to conform with the Essential Health and Safety Requirements (EHSR) of
Annex
li
of the ATEX Directive 94/9/EC and conform to the following classification:
• Equipment group:
li.
• Category: Gas
2G
- Dust 20.
• Zone: Gas 1 - Dust 21.
• Maximum surface temperature: temperature class
T4
for 2G and 130°C for 20.
2.3-0PERATING
LIMITS AND CONDITIONS
Modification of the motor execution or mounting position is only permitted if previously authorised
by BONFIGLIOLI TRASMITAL's Technical Service.
Failure to obtain said authorisation renders the ATEX certification null and void.
@ Bonfiglioli
Trasmitol
5
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