Emergency Opening Of The Working Chamber Door - VHF N4+ Originalbetriebsanleitung

EN 38
7.4 Emergency opening of the w ork-
ing chamber door
Crushing hazard and cutting
WARNING
injuries if the working
chamber door is open
If the working chamber door is open during
machining, it will not protect users from bruises and
cuts.
Do not open or close the working chamber door
during machining.
Never operate the machine with the working cham-
ber door open.
Perform the emergency opening only if you are
authorized to do so and if you have received training
on it.
Cutting injuries when
CAUTION
touching a rotating tool
If a power failure or a machine malfunction occurs
during machining, the spindle including the inserted
tool keeps rotating. If you touch the rotating tool, you
will suffer from cutting injuries.
Wait until the spindle has stopped rotating before
performing an emergency opening.
The working chamber door is equipped with a safety
interlock that only allows you to open the door when
the machine is powered. You can use the emergency
release of the working chamber door if the working
chamber door is permanently locked. There is an
opening for the emergency release at the left side of
the machine.
F . 46 O
IG PENING FOR THE EMERGENCY RELEASE
You can perform an emergency opening as follows:
F
IG
Original Operating Instructions: N4+
Version: 12/16/2021
N4+ – Operation: Executing jobs
1. Switch off the machine at the main power
switch. Disconnect the machine from the eletrical
source.
2. Deactivate the safety interlock of the working cham-
ber door, as shown in the figure (
):
below
a. Remove the protective cap from the emer-
gency release opening.
b. Insert the key for the emergency release of
the working chamber door through the open-
ing.
c. Deactivate the safety interlock of the working
chamber door by turning the key counter-
clockwise by 90°
. 47 U
SING THE KEY FOR THE EMERGENCY RELEASE
Top: Remove the cap
Middle: Insert the key
Bottom: Turn the key
3. Open the working chamber door.
4. Carry out your work in the working chamber.
5. Close the working chamber door.
6. Reactivate the safety interlock of the working cham-
ber door by turning the key for the emergency
release clockwise by 90°.
7. Check if the working chamber door actually is
locked.
8. If you can still open the working chamber door,
repeat the 3 previous steps.
9. Close the opening for the emergency release again
with the protective cap.
Fig. 47 see
