Chapter Topic Main points 12 Landing door locking devices Replacement • The new locking device, even if it is a single replacement, must be equipped with the type certificate • While at the floor the doors must be closed unless the system is equipped with a device against uncontrolled movements • In the case of motorized doors, the barrier device must be installed to protect the closing movement of the doors 14 Machine replacement • When replacing the machine: - Verify the safety coefficient of the ropes - Verify sliding stability - Verify the specific pressure - Install the engine feed time limiter - Install an electrical device that controls the excess speed of the cabin going up - Install a stop device nomore than 1maway from the machine - Assess the need for metal guards near rotating parts - Provide a device that controls the opening of the brake 15 Nominal speed variation • In the event of a speed increase greater than 5%: - Install suitable shock absorbers in the pit - Check the status of the parachute at the new speed - Install an electric device to control the excess speed of the cabin going up - The counterweight must be rigidly guided - A pit defence must be installed to protect the area covered by the counterweight - Set the max maintenance speed to 0,63 m / s - The cabin must be equipped with doors - Check compliance of free spaces at the ends of the run - Check the suitability of the limiter at the new speed - Ensure the accuracy of the stop at the floor and its levelling 21 Substantial modification of the system • An existing lift in the event of modification is not considered a new installation if: - The same hoistway is present - The same machine room is maintained - Existing guides and their fixings or fixings only are kept in place - A significant component is kept in place 22 Car replacement in the same frame • In case of cabin replacement: -The new cab must be equipped with doors - A power socket must be installed in the pit - A parapet must be provided and a toe board must be installed on the roof of the new car for distances of over 0.30 m from the shaft walls - Emergency lighting must be available in the car and on the car roof - An overload control device must be installed Guide to UNI 10411-2: 2021 Part 2: Hydraulic lifts not compliant with the Lift Directive PChapterL Topic Main points 5 Variation of the load on the supporting structure • In case of variation of the load on the load-bearing structures, their status must be checked 6 Static load variation • For load variations higher than the maximumvalues shown in table 1 of the standard, it is necessary to: - Verify the safety coefficient of the ropes - Check bearing structures - Install suitable shock absorbers under the cab - Verify suitability of cabin guides - Check parachute status - Check status of the limiter unit if it exists - Check status of the cylinder-piston group - Check status of the slam-shut valve - Check the overpressure valve calibration - Check status of the frame (arch) - Check the status of the machine in relation to the new loads - Install a load control device 8 Relocation or modification of the machinery room • In case of displacement or modification of the machine room: - Maintain exclusive use - Evaluate resistance of walls, ventilation, lighting - Problem shifting of materials - Switch panel regularization - Regulatory maintenance spaces - Accessibility through an easy and safe direct route 11 Replacement of the control panel • The replacement of the control panel requires: - Installation of the bidirectional communicationdevice in accordancewithUNI EN81-28 - Installation of emergency lighting on the cabin roof - Installation of the engine power time limiter - Replacement of the power lines if the conductors are not marked - Action to bring into compliance and/or replacement of the locking devices for both swing doors and sliding doors - Ensuring the car’s stopping accuracy at the landing - Removal of the ALT button except for systems without car doors - Adjustment of the upper overtravel switch for direct-acting lifts - Compliance with table 12 of the UNI EN 81-20 standard - Installation of the emergency stop button within the distance of 1 m from the machine 22 VADEMECUM d i R c
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