Agilent Technologies MS120 G2571-64000 Notice De Mode D'emploi page 156

Maximum allowed pressure in the tank is 0.6 bar measured at the
maximum capacity (when the pump is working with the inlet open to
atmospheric pressure). If a pressure gauge (optional) has been fitted
to the oil filling hole (Figure 14) check the exhaust filter blockage
with the pump warm.
For to replace the exhaust filter (see Figure 17):
1.
2.
3.
4.
5.
6.
MS120 Single Stage Rotary Vane Pumps (G2571-64000) User Manual/X3702-90000 (A) 156/188
remove the cover (pos.C1) by unscrewing its screws (C2),
remove the tank cover (pos. B1) unscrewing its screws (pos. B2),
extract and replace the exhaust filter (pos. B4) and its O Ring
(pos. B5),
reassemble the fixing cartridge disk (pos. B1),
if necessary, replace the gasket (pos. B3),
reassemble the discharge cover (pos.C1).
Figure 17
Instructions for Use
Maintenance
4