Operating Instructions

15
2119167-06-06/20 (translation of the original operating instructions)
Operating Instructions Safety Systems
MGB-L1…-AR.-… / MGB-L2…-AR.-… and MGB-L1…-AP.-… / MGB-L2…-AP.-…
EN
8.2. Emergency unlocking (can be retrotted)
Permits opening of a locked guard from outside the danger area without tools. For mounting, see the mounting supplement.
Important!
Ì It must be possible to operate the emergency unlocking manually from outside the protected area
without tools.
Ì The emergency unlocking must possess a marking indicating that it may be used only in an emer-
gency.
Ì The actuator must not be under tensile stress during manual release.
Ì The unlocking function meets all other requirements from ENISO14119.
Ì The emergency unlocking meets the requirements of Category B according to
ENISO13849-1:2008.
Ì Loss of the release function due to mounting errors or damage during mounting.
Ì Check the release function every time after mounting.
Ì Please observe the notes on any enclosed data sheets.
8.2.1. Actuating emergency unlocking
Ì Press emergency unlocking and turn clockwise by 90° until it clicks into
place.
¨ Guard locking is released.
To reset, press the snap-in bolt inward using a small screwdriver or similar
tool and turn the emergency unlocking back. The emergency unlocking
must be sealed in the free position.
The safety outputs are switched off when the emergency unlocking is
actuated. Use the safety outputs to generate a stop command.
8.3. Lockout mechanism
If the lockout mechanism is pivoted out/extended, the bolt tongue cannot
be extended. The lockout mechanism can be secured with padlocks (see Figure 6).
¨ To pivot out, press the grooved part (possible only with bolt tongue retracted).
1
2
Key:
1
Padlock ∅min. 2mm, ∅max. 10 mm
Notice:
You can t a maximum of 3 locks Ø8mm.
2
Automatically extending, second lockout mechanism
Padlock ∅min. 6mm, ∅max. 10 mm
Figure 6: Lockout mechanism secured with padlock
16
37,5
2
25,9
16,9
14,6
21
Hole for sealing the
emergency unlocking
Rotary knob
Snap-in bolt
Flange
Flange mounting
Driver