Safety and operating instructions
18 © Construction Tools GmbH | 3390 5149 01 | 2020-09-22
Original Instructions
Conventional demagnetization functions at a similarly
slow rate as the magnetization without impulse excita-
tion. Due to the long-lasting residual magnetism of the
magnet plate, it requires a relatively long time to drop all
of the load.
This process is illustrated in the above drawing as a
dashed curve. To speed up the demagnetization, the Hy-
dro Magnet uses an automatic demagnetization with re-
verse voltage and ensuing pulsation, shown in the draw-
ing as a black curve.
3.3 Signs / labels
WARNING Missing warnings
The name plate and the labels on the hydraulic attach-
ment contain important information about the hydraulic
attachment and for personal safety. A missing warning
can lead to overlooking or misinterpretation of possible
risks and cause personal hazards. The signs and labels
must always be clearly legible.
u Immediately replace any defective name plates and
labels.
u Use the spare parts list to order new name plates
and labels.
3.3.1 Name plate
%
50
60
70
80
90
100
Construction Tools GmbH
A B C D E F G IH
A. Model
B. Year of construction of hydraulic attachment
C. Max. permissible operating pressure
D. Weight of hydraulic attachment
E. Serial number
F. Name and address of manufacturer
G. The warning symbol and the book symbol indicate
that the Safety and Operating Instructions must be
read prior to use of the hydraulic tool and in particu-
lar the chapter on Safety.
H. The CE symbol indicates that the hydraulic attach-
ment was produced in conformity with CE. You can
find further information about this in the enclosed EC
Declaration of Conformity.
I. The EAC symbol means that the machine is EAC
approved.
3.3.2 Labels
Warning for explosion
Warning for hot surface
Warning for hazardous electri-
cal voltage
Warning for non-ionizing elec-
tromagnetic radiation
Warning of suspended load
Warning of magnetic field
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