Metrohm 792 Basic IC User Manual
Page 156
5.2 Maintenance and servicing
792 Basic IC
147
34
34
34
34
81
81
81
81
82
82
82
82
83
83
83
83
84
84
84
84
85
85
85
85 86
86
86
86 87
87
87
87 88
88
88
88
90
90
90
90
92
92
92
92
91
91
91
91
92
92
92
92
89
89
89
89
Fig. 16: Components of the pump head
34
34
34
34
93
93
93
93
A
93
93
93
93
94
94
94
94
94
94
94
94
B
C
89
89
89
89
89
89
89
89
Fig. 17: Replacement of the piston seal 89
34
34
34
34
Pump head (6.2824.100)
88
88
88
88 Piston guide sleeve (4.709.4370)
81
81
81
81
Screw (3.709.1100) for piston
cartridge 85
85
85
85
89
89
89
89
Piston seal (6.2741.020)
82
82
82
82 Zircon piston (6.2824.070) with piston
shaft
90
90
90
90 Inlet valve (6.2824.090)
83
83
83
83 Spring retainer 4.709.0730
91
91
91
91 Outlet valve (6.2824.080)
84
84
84
84 Spring (6.2824.050) for main piston or
Spring (6.2824.060) for auxiliary piston
92
92
92
92 Screw holder for valve
85
85
85
85 Piston cartridge (4.709.0760)
93
93
93
93 Special tool (6.2617.010) to remove the
piston seal 89
89
89
89
86
86
86
86 Piston guide sleeve (4.709.4380)
94
94
94
94 Special tool (6.2617.010) to install the
piston seal 89
89
89
89
87
87
87
87 Sapphire supporting ring (6.2824.030)