Figure 16, High-pressure pump – cross-section – Metrohm 940 Professional IC Vario ONE/ChS User Manual
Page 75
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5 Operation and maintenance
940 Professional IC Vario ONE/ChS (2.940.1200)
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67
Figure 16
High-pressure pump – cross-section
1
Outlet valve holder
2
Outlet valve (6.2824.160)
3
Backup ring
4
Piston seal (6.2741.020)
5
Pump head
6
Inlet valve (6.2824.170)
7
Inlet valve holder
8
Zirconium piston (6.2824.070)
9
Piston cartridge
Accessories
For this step you need the following accessories:
You can find these parts in the accessory kit: Vario/Flex Basic
(6.5000.000).
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Adjustable wrench (6.2621.000)
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Tool for piston seals (6.2617.010) consisting of a tip (17-1) for remov-
ing the old piston seal and a sleeve (17-2) for inserting the new piston
seal.
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