Metrohm 709 IC Pump - Manual (Page 20)

2 Installation
709 IC Pump
12
2.3.6 Filter unit Manufit
The 6.2821.000 Filter unit Manufit available as an option (see sec-
tion 6.3) serves to avoid contamination of the piston seals by abrasive
particles and can be used in the pressure range 0 … 50 MPa
(0 … 500 bar) together with steel capillaries. It is installed as follows (see
Fig. 5):
1 Prepare Manufit housing
• Insert outlet capillary 55 with steel mesh holding end 53 into
Manufit housing 54.
• Insert the 4 steel meshes 52 provided into the steel mesh
holding end 53.
• Press the PTFE gasket 51 into the steel mesh holding end
53.
2 Prepare Manufit pressure screw
• Insert inlet capillary 48 with counterpart end 50 into Manufit
pressure screw 49.
3 Assembly
• Fit the two capillary end pieces 50 and 53 together.
• Screw Manufit pressure screw 49 and Manufit housing 54
firmly together.
To replace contaminated steel meshes, proceed in the reverse order.
IC Separation
Center 733
IC Pump
709 48
49
50
51
52
53
54
55
Fig. 5: Filter unit Manufit (6.2821.000)
48 Inlet capillary
49 Manufit pressure screw
50 Counterpart end
51 PTFE gasket (6.2821.010)
52 4 Steel meshes (6.2821.020)
53 Steel mesh holding end
54 Manufit housing
55 Outlet capillary