Matest B041 - Page 17

Rev. Descrizione Redatto/Gestito Approvato Cod.Ident. Pagine Data Em.
0.6 Manuale Istruzioni GN UTEC B041.M01.EN 17/47 07/2014
ATTENTION
It is
NECESSARY
to perform the following Calibration Checks, respecting the
provided deadlines, in order to comply with the instructions of the International
Standards in force related to the test (EN 12697-10, EN 12697-31 / ASTM D6925
/ AASHTO T312), and to control the possible settlements and run in wear conditions of the machine and its parts:
LILT TIME
→
MACHINE
INSTALLATIO
N
EVERY
MONTH
EVERY
THREE
MONTHS
Note
METERS ↓
ANGLE OF
ROTATION
X X **
** each 50 tests
until reaching
200 tests
APPLIED
LOAD
X X
SPECIMEN
HEIGHT
X X
ROTATION
SPEED
X X
MOULD AND
PISTON
See standards reference.
Follow the laws in force in the
country where the machine has
been installed for correct
calibration checks. Depending
on the instructions provided by
the law and by the Standard in
force, or depending on the main
goal of the tests, the operator
has to refer to an accredited
laboratory or to set up a
complete laboratory equipped
with appropriate equipment and
procedures.
7.02
SWITCHING ON THE MACHINE
Position the main switch on “I
7.03
EQUIPPING
–
SAMPLE POSITIONING
1.
RAM ASSEMBLING
1
TRANSDUCER
CHECKING DISC
2
PISTON
Assemble the transducer checking
disc and the piston on the terminal
part of the ram rod.
Lock the 3 dowels and make sure
that the piston is well-locked
without any clearance.
ATTENTION
During the
assembling
procedure it is very important the operator
handles carefully all the partsto avoid
damages (incisions or dents) that may
affect negatively the execution of the test.