EUROBLOC
SERVICE MANUAL FOR HOIST
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may not be reproduced, disclosed to third parties, altered or otherwise employed in any manner whatsoever without the express written consent of Verlinde S.A.S.
Copyright © (2013) Verlinde S.A.S. All rights reserved.
06/2015
Maintenance of hoisting brake
1
2
Disassemble the brake and clean the brake disc (5) and the
friction disc (6).
Check the brake type on the rating plate that is fixed to the
brake. Measure the thickness of the brake disc (5). Replace
the brake disc if the thickness (t) is less than the
recommended thickness for brake disc change as according
to the below table.
3
4
If there has been a problem in brake operation, change the
brake disc (5) and the friction disc (6). Install the machined
surface of the friction disc (6) against the brake disc (5).
There are three different types of friction discs (6). If there
have been problems in the operation of the brake, it is
recommended to change also the friction disc to the latest
type with a machined surface (option 3 in the picture above).
A = brake disc side
Brake type and
size
Original
thickness of the
brake disc
[mm]
Recommended
thickness for brake
disc change
[mm]
Minimum thickness of the
brake disc
[mm]
Tightening torque for
brake fixing screws
[Nm] / [lbf.ft]
Tightening torque for
anchor plate screws
[Nm] / [lbf.ft]
NM39972NR#
7.00
6.8
6.6
5.0 / 3.7
3.5 / 2.6
NM38721NR#
8.00
7.8
7.6
9 / 6.6
2.0 / 1.5
NM38720NR#
8.00
7.8
7.6
9 / 6.6
2.0 / 1.5
NM38730NR#
10.40
10.2
10.1
9 / 6.6
2.0 / 1.5
NM38740NR#
11.15
10.6
10.4
22 / 16.2
3.5 / 2.6
NM38741NR#
11.15
10.6
10.4
22 / 16.2
3.5 / 2.6
NM38751NR#
14.00
13.4
13.2
22 / 16.2
8.0 / 5.9
NM38753NR#
14.00
13.8
13.6
22 / 16.2
8.0 / 5.9
NM40940NR#
11.15
10.6
10.0
22 / 16.2
3.5 / 2.6
NM40951NR#
14.00
13.4
13.0
22 / 16.2
8.0 / 5.9
NM40980NR#
15.50
14.4
14.0
22 / 16.2
8.0 / 5.9
NM41040NR#
11.15
10.6
10.0
22 / 16.2
3.5 / 2.6
NM41051NR#
14.00
13.4
13.0
22 / 16.2
8.0 / 5.9