Download User`s Manual - Azbil Corporation

Chapter 6. MAINTEANCE AND INSPECTION
■ Replacement of the shutter unit
CAUTION
Replace the AUD50A shutter unit with a new one approximately every 3
years.
(1) Turn OFF the power.
(2) Loosen the cover setscrew, rotate the cover, and remove it.
(3) Remove the 4 terminal screws (2 white lead wires, 1 blue lead wire, 1 yellow
lead wire) to disconnect the lead wires from the shutter unit.
(4) Remove the 2 shutter-unit fixing screws.
(5) Remove the shutter unit from the flange.
(6) Remove the tube unit from the shutter unit. For details, refer to the previous
section,
■ Replacement of tube unit (on page 18).
(7) Secure a new shutter unit to the flange unit.
Shutter unit
fixing screws (2)
Tube unit
fixing screws (2)
Tube unit
Shutter unit
F terminal (blue lead wire)
G terminal (yellow lead wire)
White lead wires
G terminal,
yellow lead wire
F terminal,
blue lead wire
Bottom view
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