Metrohm 790 Personal IC User Manual
Page 168
5.2 Maintenance and servicing
790 Personal IC
159
34
34
34
34
84
84
84
84
85
85
85
85
86
86
86
86
87
87
87
87
88
88
88
88 89
89
89
89 90
90
90
90 91
91
91
91
93
93
93
93
95
95
95
95
94
94
94
94
95
95
95
95
92
92
92
92
Fig. 17: Components of the pump head
34
34
34
34
96
96
96
96
A
96
96
96
96
97
97
97
97
97
97
97
97
B
C
92
92
92
92
92
92
92
92
Fig. 18: Replacement of the piston seal
92
34
34
34
34 Pump head (6.2824.100)
91
91
91
91 Piston guide sleeve (4.709.4370)
84
84
84
84 Screw (3.709.1100) for piston
cartridge 88
88
88
88
92
92
92
92 Piston seal (6.2741.000/6.2741.010)
85
85
85
85 Zircon piston (6.2824.070) with piston
shaft
93
93
93
93 Inlet valve (6.2824.090)
86
86
86
86 Spring retainer 4.709.0730
94
94
94
94 Outlet valve (6.2824.080)
87
87
87
87 Spring (6.2824.050) for main piston or
Spring (6.2824.060) for auxiliary piston
95
95
95
95 Screw holder for valve
88
88
88
88 Piston cartridge (4.709.0760)
96
96
96
96 Special tool (6.2617.010) to remove the
piston seal 92
92
92
92
89
89
89
89 Piston guide sleeve (4.709.4380)
97
97
97
97 Special tool (6.2617.010) to install the
piston seal 92
92
92
92
90
90
90
90 Sapphire supporting ring (6.2824.030)