Metrohm 792 Basic IC - 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)