Installation and Operational Instructions for
ROBA-stop
®
-S brake Type 856. _ _ _ . _
Sizes 8, 9 and 10 (B.8.3.GB)
03/11/2010 TK/KE/GC/SU Chr. Mayr GmbH + Co. KG Tel.: 08341 / 804-0
Eichenstraße 1 Fax: 08341 / 804-421
D-87665 Mauerstetten http://www.mayr.de
Page 13 of 14 Germany E-Mail: info@mayr.de
Emergency Release (Fig. 15)
In case of malfunction or power failure, the brake remains
closed; it cannot be released electrically. Emergency release can
be carried out manually.
1. Unscrew the screw plugs (10) inc. the copper sealing rings
(11).
2. Screw both emergency release screws (7) into the armature
disk (5) until the load on the motor starts moving.
Interrupt the release procedure with individual stops (turning
back the emergency release screws), so that there is no
high load acceleration and brake heating occurrence.
DANGER
Warning for hoist drives!
Actuating the emergency release nullifies the
braking torque.
Load crashes must be prevented.
3. After completing the release procedure, unscrew both
emergency release screws (7) in the armature disk (5).
However, do not remove the screws.
4. Screw the screw plugs (10) inc. the copper sealing rings
(11) back in. The emergency release screws (7) are spring
applied.
Fig. 15
Anti-Condensation Heating (Option)
The anti-condensation heating is used for preventing
condensation precipitate in the brake interior.
For connecting the anti-condensation heating (AC voltage), see
the Wiring Diagram.
Condensation (Fig. 16)
The condensation must be checked regularly via the screw plug
(14) with the copper sealing ring (15).
Fig. 16
Disposal
Our electromagnetic brake components must be disposed of
separately as they consist of different materials. Please observe
the relevant authority regulations. Code numbers may vary
according to the disassembling process (metal, plastic and
cable).
Electronic Components
(Rectifier / ROBA-switch / Microswitch):
Products which have not been disassembled can be disposed of
under Code No. 160214 (mixed materials) or components under
Code No. 160216, or can be disposed of by a certified disposal
firm.
Brake bodies made of steel pads with coil / cable
and all other steel components:
Steel scrap (Code No. 160117)
Aluminium components:
Non-ferrous metals (Code No. 160118)
Brake rotor (steel or aluminium pads with friction linings):
Brake linings (Code No. 160112)
Seals, O-rings, V-seals, elastomers, terminal boxes (PVC):
Plastic (Code No. 160119)
Condensate
drain opening
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