BA-REF
6.1 - 11/2019
English
EN-19/26
10.
Maintenance
10.1. Safety Instructions for Maintenance
Observe the safety instructions and preventive measures in Chapter 4
and the relevant legal requirements.
Follow the directions of the motor supplier and the instructions specified
by the manufacturers of the switches and control units.
10.2.
Maintenance Preparation
1.
Disconnect motor from the mains.
2.
Roof fans fitted with an inspection switch should be switched off by
means of the inspection switch.
3.
Take measures to prevent roof fan from being switched on accidentally.
4.
Wait until the impeller has stopped.
5.
Wait until all hot surfaces have cooled down.
6.
Remove any residues from the fan.
10.3.
Tilting the RDA/RDM 3E/RDM FE Roof Fan Up / Back
DANGER
Risk of injury from roof fan falling back suddenly from tilted position!
Take measures to prevent roof fan from swinging back.
9
10
8
Fig 10-1: Tilting mechanism
Tilting up
Side panels removed, cowl removed
1.
Remove screws (8).
2.
Tilt back central section (10).
3.
Secure central section on both sides using screws (8) and nuts in
articulated joint (9).
Tilting back (after servicing)
1.
Prop up tilted roof fan (release locking screws).
2.
Remove locking screws from articulated joint (9) and lower roof fan
carefully down out of tilted position.
3.
Insert and tighten fixing bolts (8).
