Sicor MR21 - Checking the Stroke

AC MUM0096 rev. 07 - 26 -
MR21
17.3. CHECKING THE STROKE
Make sure that the brake opening lever (6) is in posion (brake
closed). Manually press the electromagnet pin (5) right down and
then measure the clearance between the adjusng screw (1) and
the electromagnet pin (5). If it is < 0,5 mm, the stroke must be
adjusted immediately.
0
50
100
150
200
250
300
114 90
Braking torque
L [mm]
Torque [Nm]
C nom.
Machine
type
D
(Ø Brake drum)
[mm]
L
(mini-
mum)
[mm]
Maximum braking
torque
[Nm]
Brake lining
fricon coecient
[Nm]
MR21 255 90 250 0,44
BRAKE ON
(brake shoes closed)
POS 1
BRAKE OFF
(brake
shoes open)
POS 2
BRAKE OFF
(brake
shoes open)
POS 2
1
5
6
2
1