83
8008250/1F7Y/V4-0/2022-06 | SICK
O P E R A T I N G I N S T R U C T I O N S | GM901
Subject to change without notice
SHUTTING DOWN
12
12
Shutting down
12.1
Disassembling the sender and receiver
It is recommended to disassemble the GM901 during long periods of plant shutdowns. It is
essential to disassemble the GM901 when the optional purge air unit is also put out of
operation.
Procedure
▸
Disconnect the device from the power supply.
▸
Disconnect the cable plugs on the sender and receiver. Protect the cable plugs against
moisture and dirt when not used for a longer period of time.
▸
Take the sender and receiver off the purge air fixtures (loosen quick-release fasteners).
▸
Close off the purge air fixtures with an optional dummy flange.
12.2
Deinstallation
Observe safety information according to VDE and national guidelines:
▸
During deinstallation, make sure no live lines are accessible unsecured.
▸
Always insulate open cable ends with suitable auxiliary means to protect against dirt and
moisture.
Secure switches that should not be switched on again for safety reasons with signs and
safeguards to prevent unintentional switching.
12.3
Disposal
The device can easily be disassembled into its components which can then be sent to the
respective raw material recycling facilities.
WARNING:
Hot, toxic gases escaping!
Toxic gases can escape from the duct when the sender and receiver are removed from
the flange!
▸
Take appropriate protective measures
NOTE:
The optical adjustment of the purge air fixtures remains intact.
NOTE:
The following assemblies contain substances that may have to be disposed of
separately:
– Electronics: Capacitors, rechargeable batteries, batteries.
– Display: Liquid of LC display.