92 DUSTHUNTER T · Operating Instructions · 8012428 V 2.0 · © SICK MAIHAK GmbH Germany
Maintenance
5.2 Maintenance on the sender/receiver unit and reflector
Clean the outside of the sender/receiver unit and reflector in regular intervals. Remove
deposits with water or mechanically using suitable auxiliary means.
Clean the optical surfaces when deposits can be seen or maximum contamination allowed
has been reached. Limit values are:
DUSTHUNTER T100: 20% for warning, 30% for malfunction
DUSTHUNTER T200: 30% for warning, 40% for malfunction
5.2.1 Maintenance on the sender/receiver unit
DUSTHUNTER T50
b
Loosen the CAMLOCK clip of the sender/receiver unit (
→
p. 20, Fig. 8).
b
Carefully clean glass pane with an optics cloth.
b
Fasten the sender/receiver unit again.
b
Switch to operation mode.
DUSTHUNTER T100 und T200
b
Loosen the knurled screws and swivel the housing to the side.
b
Switch the sender/receiver unit to maintenance mode and enter password level 1.
Figure 74 Setting into maintenance mode
NOTICE:
b
Do not damage any device parts during maintenance work.
b
Do not interrupt the purge air supply.
Contamination measurement depends on the type.
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