7
Inspection and maintenance
07.2020
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Remove all old pressure screws (3) from the coil carrier (2).
Clean the coil carrier (2) with a damp cloth.
The thickness and number of windings of the pressure screws may vary.
It is therefore essential to symmetrically distribute the pressure springs in the coil carrier.
Equip the coil carrier (2) with the correct new pressure spring set.
Lay anchor plate (4) on the coil carrier or pressure springs,
–
(observe the installation position, with size 16 to 60, use fastening screws (1) as a
centring aid if necessary).
Press the anchor plate (4) down against the spring force (e.g. with a spindle press)
and screw in the shoulder screws with the tightening torque specified in the table.
Clean the friction surface of the anchor plate (4) so that this is
clear of grease.
For subsequent work, see hoist motor brake chapter for the respective motor.
Hoist motor type
Brake fastening
screws (1)
Shoulder screws (5)
[lb
f
ft]
12/2H33-MF10Z-106
7
1
4H33-MF10MB-200
12/2H42-MF10X-106
4H42-MF10MC-200
4HS3
4HS5
16
3
12/2H62-MF11X-106
12/2H71-MF11X-106
4H62-MF11MA-200
4H71-MF11MB-200
4H72-MF13Z-200
4H73-MF13ZB-200
6
4H81-MF13ZC-200
4H82-MF13X-200
12/2H72-MF13Z-106
4HS7
4HS8
4HSA
12/2H73/100.822
12/2H73-1PC3052
24/4H92
33
14
12/2H91-MF16ZC-106
7.11
Travel motor brake
See instructions for travel motors.