5 Inspection and maintenance
LS Open Loop Vector Motor 4H42, 4H71, 4H72 Manual Supplement
za-o.2.8.41-us-1.1
June 2022
Page 19
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5.4
Replacing the brake rotor
CAUTION
Brake dust is hazardous to health.
Do not clean hoist motor 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.
WARNING
With an incorrectly assembled brake rotor, the hoist motor brake cannot hold the load and
the load will fall. This can result in serious injuries and even death.
Ensure that a competent person carries out the replacement work.
The pressure springs of the hoist motor brake must always be replaced at the same time.
(4) Sealing ring
(5) Fastening screws
(6) Stopping plug
(7) Hub
(8) Brake rotor
(9) Anchor plate
(10) Coil carrier
1.
Remove the cover and fan.
2.
Remove the sealing ring (4) (IP66).
3.
Dismount electrical connection of the hoist motor brake.
4.
Unscrew the fastening screws (5).
5.
Remove coil carrier (10).
6.
Take off brake rotor (10).
NOTICE
When dampening the cloths,
only use
isopropyl alcohol. The use of brake
cleaner is
not
permitted.
Ensure sufficient drying time for the cleaned surfaces.
Содержание 4H42
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