￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
5 Operation and maintenance
940 Professional IC Vario TWO (2.940.2100)
￭￭￭￭￭￭￭￭
59
Figure 15
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 oxide 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).
￭
Adjustable wrench (6.2621.000)
￭
Tool for piston seals (6.2617.010) consisting of a tip
for remov-
ing the old piston seal and a sleeve
for inserting the new piston
seal.
