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Manual operations
FK 3-1 / FK 3-06 motor-wound spring
operating mechanism
21.5.2003
© ALSTOM
48.020.181E/2
4/26
Safety: general
• Manipulations not in compliance with these instructions pose hazards for
the personnel involved as well as for the motor-wound spring operating
mechanism.
• Manipulations on the motor-wound spring operating mechanism that do
not comply with the FK 3-X instructions create a danger of death or injury
to the person performing them. Damage to the motor-wound spring op-
erating mechanism may also result.
DANGER
• Perform only manipulations that comply with the instructions for
FK 3-X motor-wound spring operating mechanisms.
Personal safety when
performing manipu-
lations on the oper-
ating mechanism
• The closing spring is charged after the control voltage is disconnected.
Inadvertent switching operations are possible while performing manipu-
lations on the operating mechanism even though the control voltage is
disconnected.
• Injury may result from touching parts that are moving.
WARNING
• To discharge the springs, use manual releases to open, close and
reopen with the control voltage disconnected.
• Spring operating mechanisms with undervoltage releases open immedi-
ately when the control voltage is disconnected.
• This can lead to injury when performing manipulations in the spring
operating mechanism.
WARNING
• Disable the undervoltage release to prevent unforeseen opening
operations.
• When the motor voltage is turned on, the motor immediately begins to
wind the closing spring.
• Injury may result from touching parts that are moving and/or spring-
driven.
WARNING
• When turning on the control voltage, keep body parts away from
parts of the equipment that are moving and/or spring-driven.
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