Maintenance, Accessories - WIKA OBSOLETE WU-10 Manual De Instrucciones

9. Maintenance, accessories

9. Maintenance, accessories
WIKA transducers require no maintenance.
■
Have repairs performed by the manufacturer only.
■
Board Replacement
For board replacement, vent the transducer to pressure-
■
less state.
Remove all power to the transducer.
■
Protect the transducer from voltage, or static discharge,
■
to prevent possible damage.
Disassembly
1. Protect the PCB and other electrical devices from voltage,
or static discharge, to prevent possible damage. Ensure
you have a ground strap attached to your body.
2. Remove the locking ring, on the top of transducer.
3. Carefully pull the assembly out of the transducer housing,
as far as the internal con-nector cable will allow. Remove
the 4-pin connector from the universal electronics board
assembly.
4. Hang the tool supplied with the replacement PCB into the
bore of the PCB.
5. While firmly holding the transducer body, pull the PCB
straight out of the transducer body assembly.
Reassembly
1. Firmly push the new PCB into the transducer body as far
as it will go.
2. Align the pins on the connector from the electrical connector with the sockets on the new universal electronics board
assembly.
3. Rotate the electrical connector on the transducer housing to the keyed insertion. Replace and hand tighten the locking
ring, on the top of transducer.
16 WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio WU-1X
without side access
GB
with side access