Emergency Lowering - CLAS PE 2002 Manual De Instrucciones

PE 2002

5.5 EMERGENCY LOWERING

WARNING: When an «emergency lowering» of the carriages is carried out, the mechanical
fall-prevention safety locks of the car-riage are cut-off.
The following operations shall thus be carried out only:
• When lift does not go down due to a power failure or in case of power cut-off;
• In case of absolute need;
• By a single qualified operator;
•
If the lift area is delimited and made accessible to a single operator.
Emergency carriage lowering procedure:
• Turn Emergency Switch/Disconnector (23, Fig. 1) to «OFF».
•
If the lift is in the braking position, the safety locks will not open. The following operations
will be possible only if the lift.
features an emergency manual pump, supplied upon request with the relevant instructions
for use, to be used to raise the lift.
to release the mechanical safety locks.
•
Open the casings (1, Fig. 20) and manually work the electromagnets (3, Fig. 22 and 23) to
open the safety devices (2, Fig. 17). If necessary, insert a spacer (2, Fig. 22).
•
Proceed with a manual lowering manoeuvre as follows:
1)
Remove completely the cover of the EV1 solenoid valve (1, Fig. 21).
2)
Press needle (2, Fig. 24) to lower the lift.
3)
Once the lowering operation is complete, screw the cover tight (1, Fig. 21) and take the
mechanical safety devices wedges in their original position (1, Fig. 23).
DANGER: Carefully carry out the operation described at point 3
CAUTION: After recovering the lift ordinary operation, carry out 2-3 UP/DOWN runs
with the lift unladen and check that the safety devices work normally as described at the
following point 5.0
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