IMO MRH

Maintenance/troubleshooting
14 MRH 18.08.2022
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!