2 instrument repair – VEGA VEGADIF 55 Service instructions User Manual
Page 18

2
.2 Instrument repair
Due to the modular construction of the measuring instruments,
some repairs can be carried out by the customer.
In the additional instructions manual "Replacement parts for
VEGADIF 55" all replacement parts are listed with order
numbers which you can order for repair of VEGADIF 55 from
VEGA. Where required, exchange instructions are provided
with the replacement parts.
Note the following for repair of Ex-certified instruments:
l
Repair of certified instruments must only be carried out by
trained, specialist personnel or by VEGA.
l
The corresponding standards, national regulations for
hazardous areas as well as the safety instructions and
certificates must be noted.
l
Only original replacement parts of VEGA must be used.
l
Take note of the instrument name on the type label when
ordering the replacement part. Parts must only be replaced
by the same parts.
l
Oscillators or sensors which were already used in a
standard instrument must not be used as replacement part
for a certified instrument.
l
Repairs must be carried out according to the instructions.
After a repair, the instrument must pass the specified
routine test.
l
The conversion of a certified instrument into another
certified version must only be carried out by VEGA.
l
Any repair and conversion must be documented.
If you require a repair of VEGADIF 55 by VEGA, proceed as
follows:
You can download a return form (23 KB) from our Internet
homepage www.vega.com under: "D
ownloads - Forms and
certificates - Repair form".
By doing this you help us carry out the repair quickly and
without having to call back for needed information.
Before sending an instrument for repair or checking:
l
Remove all process substances that may still be on the
instrument. Check especially seal grooves and
fissures in
which the measured medium can adhere. This is partic-
ularly important if the substances are dangerous to health.
Repair of standard in-
struments
Repair of Ex-ap-
proved instru-
ments
18
Service instructions VEGADIF 55
Maintenance and fault rectification
31732
-EN
-080430