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1.4 WORKING INSTRUCTIONS ON SAFETY STRUCTURAL ELEMENTS
Overspeed governors belong to the safety structural elements group. It is absolutely necessary to observe the
rules and regulations that refer to this structural element, including the information given in the operating
instructions.
For that reason, before beginning to work on this component part, the following operating instruc-
tions must be read and understood, in particular with regards to the chapter concerning "safety pre-
cautions".
Safety devices need particular attention. Their perfect functioning is essential for a safe operation of the
system.
The regulation of the safety devices, that can be set only after the assembly, must be carried out immediately
after the assembly itself.
If safety devices are already preset at the factory, their operations must be immediately tested.
Should it be necessary to disassemble the safety devices during maintenance or repair, when terminated, they
must be immediately reassembled and adequately tested.
In these instructions, the following safety devices are described:
• safety switch on the overspeed governor (adjusted in the factory);
• safety switch on the tension weight with counterweight (only in the systems that are in conformity with EN 81).
• safety switch on the P.F.B. governor support (as an emergency limit switch when the run downwards or
upwards is exceeded).
1.5 PRE-OPERATIONS
Before beginning the assembly, it must be made clear, for one's own interests, what are the constructional con-
ditions and conditions relating to the space available for the assembly works as well as where (workshop or
the location where the elevator is assembled) and when such activity can be carried out.
It is therefore advisable, considering all the given circumstances, to mentally simulate the various processes
before any activity is inconsiderately or hastily undertaken.
On receipt of the goods, it is necessary to check the parts, by comparing them with the order, in order to verify
their conformity and completeness.
The data contained in the type-plate must be compared with the order.
1.6 TYPE-PLATE, TEST MARK, IDENTIFICATION
The type-plate of the overspeed governor types LK 200/250/300/315/200T is attached to the structure on
the side. The retailer of the system is responsible for it being legible.
18
GB
Type designation
Test mark
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