WIKA 55 - Manual (Page 12)

GB
11583747.03 10/2013 GB/D/F/E
12 WIKA operating instructions models 53, 54, 55 (ATEX)
WARNING!
Before storing the instrument (following operation),
remove any residual media. This is of particular
importance if the medium is hazardous to health, e.g.
caustic, toxic, carcinogenic, radioactive, etc.
The use of liquid damping is always recommended for
temperatures near the dew point (±1 °C around 0 °C).
6. Commissioning, operation
The bimetal thermometer must be earthed via the process
connection!
When screwing the instruments in, the force required to do this must
not be applied through the casing, but only through the spanner flats
provided for this purpose and using a suitable tool.
Installation with
open-ended spanner
When mounting a bimetal dial indicating thermometer that can be
rotated and swivelled, the specific instructions must be followed. In
order to set the indicator to the desired position, the following steps
must be taken:
1. The lock nut or union nut must be loosened at the process
connection.
2. The hexagon bolts and slotted screws at the swivel joint must be
loosened.
5. Transport ... / 6. Commissioning, operation