Varec 4532 - Manual (Page 55)

Varec, Inc. 45
4532 Maintenance
9 Maintenance
The 4532 ATC Average temperature instrument requires no special maintenance.
9.1 Exterior cleaning
When cleaning the 4532 ATC, always use cleaning agents that do not attack the surface
of the housing and the seals.
9.2 Repairs
The Varec repair concept assumes that the measuring devices have a modular design
and that customers are able to undertake repairs themselves. Spare parts are contained
in suitable kits. They contain the related replacement instructions. All the spare parts
kits which you can order from Varec for repairs to the 4532 ATC are listed with their
order numbers on later pages. Please contact Varec Service for further information on
service and spare parts.
9.3 Repairs to Ex-approved devices
When carrying out repairs to Ex-approved devices, please note the following:
•
Repairs to Ex-approved devices may only be carried out by trained personnel or by
Varec Service.
•
Comply with the prevailing standards, national Ex-area regulations, safety
instructions (XA) and certificates.
•
Only use original spare parts from Varec.
•
When ordering a spare part, please note the device designation on the nameplate.
Only replace parts with identical parts.
•
Carry out repairs according to the instructions. On completion of repairs, carry out
the specified routine test on the device.
•
Only Varec Service may convert a certified device into a different certified variant.
•
Document all repair work and conversions.