GMV GL MRL-MC Manuel D'entretien page 40

V.g Photocells
- Check that the photocells works properly
· Replace or restore all the components not correctly working.
VI. Group : Ropes
What to do:
VI.a Rope wear
- The suspension ropes which show wear or a lot of broken threads, should be replaced.
- In case of doubt replace the suspension ropes when broken or worn threads total section is more than
10% of the rope total metal section, for a length equal or longer than 10 diameters of the rope with 6
strands, or 8 diameters of the rope with 8 strands.
- In case of worn ropes there should be more frequent regular checks and you should consider broken
threads the ones that are visually reduced of the 50% compared to the original ones.
In addition the ropes should be changed when:
- The rope diameter is 7% reduced compared the nominal value, even if in only one point.
- The rope looks crushed, squeezed or permanently kinked.
- The core comes out even in only one piece.
- The rope even if is in traction, has got one or more released or jutting out strands.
Before fitting a new rope, make sure that pulley has not been worn by old rope passing.
VI.b Tension and stretching
- On regular checks, verify tension and stretching of ropes. In case of anomalies, re-establish the original
condition.
· Replace or restore all the components not correctly working.
VII. Group : Other components
What to do:
VII.a Ride quality
- Observe the car while is travelling and for each floor check (on upward travel and downward travel):
A) Acceleration;
VII.b Revelling
- Check the relevelling for each floor: perform the descent manual operation to check that the electrical
circuit and the relevelling contacts work properly.
VII.c Pushbuttons and signals
- Check that the pushbuttons and signals in car and at all landing floor are working.
VII.d Alarm and intercommunication devices
- Check that the intercommunication and the alarm devices are working properly.
VII.e Emergency floor return
- Check that the emergency light, the floor return device and the open doors device (if installed) work
properly in case of power failure.
VII.f Emergency operation
- Perform an emergency operation every year to check that all the elements work properly, according to
the instructions included in the use manual.
VII.g Labels and schemes
- Check the entirety and easy finding of warning signs, schemes signs and system documents..
VII.h Flexible cable
- Check cables wear and replace them when necessary.
VII.i Control panel and electrical wiring
- Verify that control panel and all electrical wiring are dry, free from dust and correctly insulated and
grounded
· Replace or restore all the components not correctly working.
Maintenance Manual
Maintenance Operations
B) Slow down; C) Stop;
Doc. n° 10991032
Rev.1.0.11
D) Quietness; E) Frictionless.
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EN