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Betriebsanleitung - Operating manual
Never actuate the change-over valve when the hand test pump
is under pressure or vacuum! Actuate the change-over valve
only when the relief valve is open.
Remove the reference instrument or the test specimen only
when the relief valve (3) is open and no vacuum is in the hand
test pump any more.
As a standard feature, the
1385.085.005
been
adjustable lift stop in order
to
reduce
overpressure
and test specimen).
The upper knurled nut is
used to set the lift stop, and
the lower knurled nut is
used to fix the setting. A
shorter lift travel permits
the
generation
pressures
vacuum generation more
easy); a longer lift travel will
generate higher pressures.
5
Maintance instructions
Prior to connecting the reference instrument and the test specimen, the
sealing gaskets in the two connectors should be checked for correct
position and wear, and should be replaced, if and when necessary.
A service kit, consisting of spare sealing gaskets and o -rings, is available
as an accessory.
18
pump
has
fitted
with
an
the
risk
of
(reference
of
lower
(and
makes
Overpressure protective device
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