7
Inspection and maintenance
106
07.2020
ba
-o
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-us
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|
A1
18
67
50
1 Re
v A
E
7.10
Replacing the pressure springs
CAUTION
Brake dust is hazardous to health.
➢
Do not clean brakes with compressed air, brushes or similar.
➢
Use a vacuum system or a damp cloth to remove brake dust.
➢
If dust develops, wear safety eyewear and a fine dusk mask.
(1)
Fastening screws
(2)
Coil carrier
(3)
Pressure spring
(4)
Anchor plate
(5)
Shoulder screws
(6)
O-ring
For preparatory works, see hoist motor brake chapter for the respective motor.
Set the coil carrier (2) down on a clean work surface.
CAUTION
The pressure springs push against the anchor plate; injuries can result
from incorrect loosening.
➢
In order to remove the shoulder screws, press the anchor plate against the coil carrier
(with larger sizes use a spindle press if necessary) to avoid sudden relief of the spring
pressure. Observe the installation of the anchor plate.
Unscrew both shoulder screws (5) uniformly in turn.
Remove and set down the anchor plate (4) and shoulder screws (5).
NOTICE
When dampening the cloths,
only use
isopropyl alcohol. The use of brake
cleaner is
not
permissible
.
–
Ensure sufficient drying time for the cleaned surfaces.
Clean the anchor plate (4) with a damp cloth.