Burkert 8691 - Page 74

74
Operation
Switching the device:
Manual override
Pilot valve
Basic housing
Figure 37: Manually switching the device
NOTE
Damagetothemanualoverridebypressingandrotatingatthesametime.
▶ Do not simultaneously press and turn manual override.
Switching the positions for manual override:
Lock function:
90° rotation = maintained-contact switching
Normal position
Push function:
Pressing = brief actuation
Figure 38: Manual override
→ Switch manual override with a screwdriver (button or click).
Closing the device:
Seal
(body casing)
Body casing
Basic housing
Figure 39: Closing the device
→ Check that seal is in the correct position.
NOTE
Damageormalfunctionduetoingressofdirtormoisture.
To observe the degree of protection IP65 or IP67:
▶ Screw in body casing to the stop.
→ Close the device (wrench*: 674077 ).
* The wrench (674077) is available from your Bürkert sales oce..
english
Type 8691, Rev. 2