page 44 of 88
Notes prior to the use of the manometers (ME 4R NT)
The manometers are filled with glycerin. The overpressure manometer
indicates the overpressure relative to the atmospheric pressure at the
place of operation. The vacuum meter indicates the underpressure rela-
tive to the atmospheric pressure at the place of operation but with abso-
lute scaling.
+
Install the pump in the room of operation.
+
Vent the reference chambers
prior to use. Else, not venting the ma-
nometers may lead to a systematic measuring error.
There are different types of manometers. To vent the reference chamber
check which types of manometers are installed at the pump and proceed
according to the given instructions:
A: Manometer with bore at the rear side
Pierce the hole at the rear side of the mano-
meter. Some outflow of liquid is normal.
+
Do not tilt pump during transport.
B: Manometer with pin
Lift the pin to vent the manometer. Do not re-
move the pin completely! Close after venting.
+
Repeat if necessary until the dial shows
ATM with the measuring connection at at-
mospheric pressure.
pin
bore
C: Manometer with pressure compensation
valve
Vent the manometer using the pressure com-
pensation valve. Close the valve after ventilation.
+
Repeat if necessary until dial shows zero
with measuring connection at atmospheric
pressure.
D: Manometer without bore, pin or pressure
compensation valve
Do
not
vent the reference chamber of this ma-
nometer!
pressure
compensation
valve
Summary of Contents for ME 2 NT
Page 34: ...page 34 of 88 ME 4 NT 1 5 3 2 6 4 ME 4 NT ME 4S NT 1 5 3 2 6 4 fig ME 4 NT ...
Page 35: ...page 35 of 88 ME 4R NT 9 5 3 6 12 8 10 11 10 4 13 MZ 2 NT MZ 2S NT fig MZ 2 NT 5 3 2 6 4 1 ...
Page 36: ...page 36 of 88 MZ 2D NT 5 3 2 6 4 ME 8 NT ME 8S NT 2 5 3 2 6 4 1 1 ...
Page 37: ...page 37 of 88 6 MD 4 NT MV 2 NT fig MD 4 NT 1 5 3 4 2 7 MV 2 NT 1 5 3 4 2 7 6 14 MD 4S NT ...
Page 38: ...page 38 of 88 MD 4CRL NT 5 3 2 7 6 14 4 1 ...
Page 61: ...page 61 of 88 4 5 6 Clean 20696877 20696860 20696861 20696862 20696868 20696859 20696870 ...
Page 62: ...page 62 of 88 7 8 9 1 2 ...
Page 64: ...page 64 of 88 12 13 14 Pay attention to washers Assemble same number and thick ness ...
Page 66: ...page 66 of 88 18 19 20 23120788 ME 8 NT MD 4 NT MV 2 NT ...
Page 67: ...page 67 of 88 21 22 23 ...
Page 70: ...page 70 of 88 1 20 17 2 3 Checking diaphragms and valves MZ 2D NT 5 4x 17 mm 20 mm ...
Page 74: ...page 74 of 88 10 size 2 1x Replacing the valves and assembling the pump heads MZ 2D NT 11 12 ...
Page 75: ...page 75 of 88 13 14 15 ...