User Manual
Druck DPI612
Page 47 of 105
[EN] English – 109M4017 Revision -
2.3.1
First Use
When using the DPI 612 hFlexPro pressure calibrator for the first
time, fill the reservoir with the correct hydraulic fluid. Fill and prime
the pressure station.
Fluid Type
Demineralised water or a mineral oil (Recommended ISO viscosity
grade ≤ 22)
.
2.3.2
Filling and Priming the Pump
Ensure the sensor and test ports are clear before starting this
procedure.
1
2
3
4
5
x5
6
7
8
9
10
11
12
13
Step
Procedure
1
Turn the Refill valve fully counter-clockwise
2
Turn the Volume adjuster fully clockwise.
3
Turn the Release Valve Stem fully counter-clockwise.
4
Remove the Priming pump piston/Release valve stem
assembly
5
Fill the reservoir with the recommended fluid,
to ≈
25mm from
the top.
