Dynatech PQ-4000 UD Manuel d'utilisation et d'entretien - Page 13
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INSTRUCTIONS: PQ-4000-UD
Date: 20/10/2020
Revision: 08
3.2 SAFETY GEAR ADJUSTMENT
The guide rail's position in the block should be adjusted as follows: The side of the guide rail 1.5 mm from the
brake shoe; the head of the guide rail 3 mm from the back of the groove (see drawing DYN 11.C001.01).
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In order to avoid problems with the installation's
normal operation, it is very important that the person
carrying out the installation rigorously observes the
distances mentioned in this item.
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It should be checked that the safety gear is placed
so that the rollers for downwards jamming, marked
with the letter "D", are on the bottom part of the
safety gear, as is shown in item 3.1.
3.3 COUPLING THE DRIVING BAR
It is the responsibility of the person who installs the safety gear to properly position the driving bar in relation
to the safety gear, as well as to properly synchronise the safety gears controlled by that driving bar. The driving
bar is properly positioned when the trolley's pivot is in the protection plate's central position.
Once it has been fitted and the safety gear's roller's trolleys have been attached to the driving bar's tripping
bars, it should be checked that both trolleys operate simultaneously, controlled by the driving bar. This should
be checked in both directions, ascending and descending.
The minimum force to be generated by the overspeed governor is double the force that ensures that the
performance of the safety gears is synchronised.
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The Standard demands that the installation incorporate an AC-15 or DC-13 safety contact as defined
in EN 60947-5-1.
3.3.1
USING DYNATECH'S T-3 DRIVING BAR
Both safety gears may be synchronised by assembling Dynatech's T-3 driving bar. For more information
concerning T-3 driving bar assembly, please consult its manual: DYN08 – Instructions T-3.
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It is not recommended to exceed a maximum force of 1900 N is not recommended with the governor.
Cod: DYN 11.01.08
Figure 7: Improper assembly
Figure 8 Safety gear adjustment in relation to the
guide rail
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