Electrical Connection - Hella 3SL 009 148-021 Instrucciones

General remarks
The Hella reversing warning device
has been planned for use in cars,
trucks, construction machinery,
Page 3 Assembly
Page 4 Electrical connection
7
Functional test
Please carry out a functional check
after assembly and before the fi rst
drive. When the reverse gear is
engaged, an acoustical warning
signal must sound immediately.
The vehicle should not be used if
possible if the alarm does not func-
tion correctly (check the electrical
connection again!)
agricultural vehicles and mobile ma-
chinery. Country-specifi c legislation
has to be complied with. When the
reverse gear is engaged, a warning
signal sounds. The reversing
warning device is purely a safety
The mounting position of the
reversing warning device should
be about 1.50 m above road level.
Mounting can be upright, pendant
or surface-mounted. The mounting
position must be chosen in such
Mount the reversing warning
device near the reversing lamp, for
preference. The red positive lead is
connected to the positive lead of
the reversing lamp using a soldered
connector, the black lead (-) must
Note: The reversing warning
devices 3SL 996 139-00
3SL 009 148-10 have an
automatic sound level adapter.
The solid state electronics auto-
matically adjust to at least 5 dB(A)
above the sound pressure level
of the environment!
device and must be connected to
the protected positive lead of the
reversing lamp. The tone aperture of
the reversing warning device must
remain free of any paint and protec-
tive coatings! The device has
a polarity reversal protection.
a way that the reversing warning
device is protected from the wea-
ther and external damage as well
as possible. Unhindered backward
radiation of the signal tones must
be guaranteed.
also be connected to the negative
lead of the reversing lamp using a
soldered connector.
One more tip:
and
If you have any questions or
problems with installation:
Contact the Hella Service
Department.