WIKA R5502 Mode D'emploi page 15

7. Commissioning, operation
3. Position the indicator as required, tighten the hexagon bolts and
slotted screws, and finally tighten the lock nut or union nut firmly.
Thermowell
WIKA operating instructions models 53, 54, 55 (ATEX)
CAUTION!
When using thermowells, please
ensure that the stem does not
touch the bottom of the thermowell
since, due to the different
expansion coefficients of the
materials, the stem may become
buckled at the bottom of the
thermowell.
(Formula for the calculation of
the insertion length l
Stem
respective thermowell's data
sheet)
Required safety
clearance
loosening
Make sure to loosen the screws
on the opposite side as well!
see the
1
15
EN