Maintenance/troubleshooting
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MRH 06.04.2017
10
Maintenance/troubleshooting
DANGER
Hazard from touching impeller, if not covered with protective grid!
The outlet protective grid is serially provided.
At maintenance and service observe:
Impeller must stand still;
Electrical circuit must be interrupted and secured against restarting;
Observe the rules for safe work.
Only then the outlet protective grid can be temporarily removed.
DANGER
Hazard from crushing/shearing by the hatch cover!
The hatch cover can be stopped in any position by turning the actuator`s service switch to middle (0) posi-
tion.
WARNING
Hazard from electrical voltage!
Trouble setting and service only by a trained electrician or trained and instructed qualified personnel!
Observe rules for safe work while troubleshooting!
Observe 5 safety rules for the electrical expert!
-
disconnect from the power supply (all-pole),
-
prevent switching on again,
-
test absence of voltage,
-
earthing and short-circuiting,
-
protect adjacent live parts by covers and barriers and fit a suitable warning notice.
CAUTION
Danger from hot surfaces!
During maintenance and cleaning wear protective gloves!
