Translation of the original operating manual
36
AL-KO
AIR
CABINET
®
7
Servicing and maintenance
7.1
Safety
WARNING
Risk of fatal electric shock.
There is a risk of a fatal electric shock if live clampings or connections are touched, even when the unit
is switched off.
Switch off the unit at the unit main switch.
Disconnect the unit plug.
Only open the maintenance panel or the maintenance doors when the unit has cooled
down and the fans are stationary.
Wear your PPE (safety shoes, cut-proof gloves).
WARNING
Risk of injury.
Disconnect the unit plug before starting any maintenance or repair work on the unit.
Protect the unit against unauthorised restart.
Observe the applicable safety rules.
Have installation, commissioning, maintenance and repair work carried out only by qual-
ified staff!
Make sure that all factory-fitted safety units are functional before switching the unit on
again.
WARNING
Risk of injuries from the run-on of the fan.
The unit may only by opened by qualified staff or by instructed persons.
The unit may only be opened when the fan has been switched off and has come to a
standstill.
Observe the fan delay time. Wait at least three minutes for the fan impeller to come to a
standstill before opening the service cover and maintenance panel.
WARNING
Risk of burn injuries.
The unit may only be opened by qualified staff or trained persons.
The unit may only be opened in the shut down and cooled condition.
Wear your PPE (cut-proof gloves).
WARNING
Health hazards when removing the filter elements.
Wear your PPE (FFP2 dust mask) when removing the filters.
Use further protective equipment according to the work to be carried out (safety shoes,
gloves).
Avoid contact with the dust.