ARNOLD UA 1500 Manuale di istruzioni per l'uso - Pagina 2
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2. Preparation / Assembly / Commissioning
Before each use, the motor shall be checked for possible damages. Special attention
shall be paid to the tight fit of the upper and lower eyebolt. The firm screwing of the
two halves of the housing is also important. These are secured by means of a bolt,
which is located under the guarantee label. A damage of the security seal can
indicate an inadmissible opening or loosening of the halves of the housing.
For fastening the drive on a load rod in theaters or on other structural components
and on the load to be driven, there are two eyebolts at both ends of the drive. For this
purpose, you can use permitted slings such as round slings, shackles or chain links
which can be screwed. A chain link which can be screwed (NG 12) with a nominal
load capacity or WLL (Working Load Limit) of 750 kg with regard to a working
coefficient of 10 is part of the scope of supply of the UA 500. Smaller fastening
elements can also be used in compliance with the dimensioning regulations
according to DGUV directive 17.
See also dimensioning according to DIN 56950-1 "Entertainment Technology –
Machinery Installations – Part 1: Safety requirements and testing". The drive itself is
designed for a breaking load of more than 15 t and has demonstrably the 10-fold
safety required according to DGUV directive 17.
Please avoid greater asymmetrical load distributions! Otherwise too high lateral and
tensile forces can occur at the fastening elements!
The motor is only designed for a vertical load. After fastening and securing the drive,
the connection to the Motor-Controller is established. In order to avoid a danger due
to uncontrolled movements, the connection to the power supply may only be
established thereafter. Please observe that objects with large dimensions or surfaces
have considerable air resistances and already trigger the torque clutch of the UA 500
at low rotation speeds.
The kinetics of a large object can also cause very long acceleration and deceleration
phases. In case of doubt please contact us. We will be pleased to advise you with
regard to your planned application.
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12/2021 REV.19