PFB R1LR Betriebsanleitung Seite 59

5 MAINTENANCE, CONTROL AND REPAIR
5.1 MAINTENANCE AND CONTROL
Generally, the overspeed governor and respective tension weight with counterweight do not need any
maintenance.
The whole system has been conceived in such a way that, with proper use without damages, there is no need
for important maintenance interventions of any kind.
According to the frequency of use, controls of the system should be carried out periodically.
After substantial changes or after an accident, it is necessary to carry out a control of the system.
This is necessary especially when safety devices are changed.
Changes, damages or other irregularities must be notified and, if necessary, repaired within the limits of the
allowed feasibility.
Periodical controls increase, not only the safety, but also the trouble-free and long-life operation of
the system!
Particularly recommended are controls and maintenance operations before the operating tests foreseen by the
law take place.
Please contact your supplier if there are any doubts regarding the operation efficiency of the components of the
system.
MAINTENANCE AND CONTROL SCHEDULE
Check twice a year the operation efficiency of the overspeed governor.
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Check the damage or the distortions of the overspeed governor and respective structural elements.
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Check the wear of the undercut grooves of the overspeed governor and the grooves of the tension pulley.
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Danger of tear to the rope! When the governor rope runs in an irregular way, that is to say when the
outline of the rope remains stamped in the groove of the overspeed governor.
Control that the rocker lever is easily movable. If necessary, lubrificate it.
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Control the governor rope for eventual damage of the same; if necessary, replace it
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Control the safety switch by hand (manual release).
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Keep the plant clean from dirt and particularly the signs must always be kept legible.
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5.2 EXECUTION OF REPAIRS
Generally, also in case of repairs, the overspeed governor cannot be disassembled or modified in any other
way (sealing, sealing-wax).
The spontaneous replacement of parts or element groups is not allowed due to defects or severe
wear.
The reasons are the following:
• rules and regulations concerning guarantee and safety technical dispositions;
• only original spare-parts must be mounted.
The operation of the elevator system, is not allowed, even temporarily, without the overspeed
governor.
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