
8
Inspection/maintenance
Inspection/maintenance work EDR..71 – 315, EDRN63 – 315 brakemotors
Operating Instructions – EDR..71 – 315, EDRN63 – 315
179
8.7.20
Retrofitting the /HR, /HF manual brake release
ü
The motor and all connected options are disconnected from the power supply.
ü
The motor is protected against unintended restart.
1. Disassemble the following parts:
ð
Forced cooling fan and rotary encoder, if installed, see chapter
brake maintenance – preliminary work" (→
141).
ð
Fan guard with encoder mount [212] or fan guard [35], retaining ring [32]/[62]
and fan [36]
2. Mount the manual brake release.
ð
BE03: Position the releasing lever [53] and the spring plate [53] correctly.
Mount the flange nut [58]. Attach the hand lever [51]/set screw [64] to the stator
using the grommets.
ð
BE05 – BE11: Remove the old sealing ring [95]. Screw in the studs [56] and
glue them. Insert the sealing rings for the manual brake release [95]. Hammer
in the parallel pin [59]. Install the releasing lever [53], the conical springs [57]
and the adjusting nuts [58].
ð
BE20 – BE62: Insert O-rings [47] into the magnet body. Screw in the studs [56]
and glue them. Install the releasing lever [53], the conical springs [57] and the
adjusting nuts [58].
ð
BE120 – BE122: Insert O-rings [47] in the magnet body. Screw in the studs [56]
and glue them.
3.
DANGER!
No braking due to incorrectly set floating clearance "s". Severe or
fatal injuries. Make sure the floating clearance "s" is set correctly so that the pres-
sure plate can move up as the brake lining wears.
Set the floating clearance "s" using the adjusting nuts or flange nuts.
ð
BE03: Between releasing lever and flange nut (see following illustration).
ð
BE05 – 122: Between conical springs (pressed flat) and adjusting nuts (see fol-
lowing illustration).
BE03
BE05 – 122
s
s
Brake
Floating clearance s
mm
BE03
2.2
BE05, BE1, BE2
1.5
BE5
1.7
BE11, BE20, BE30, BE32, BE60, BE62,
BE120, BE122
2
4. Install the disassembled parts of the motor.
25896334/EN – 06/2019