Fresenius Medical Care 4008 S Service Manual

Chapter 9: Calibration / adjustment
9-42 Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13
9.2 Hydraulics unit
9.2.1 Reduced water inlet pressure
Measuring equipment UMED, HMED or pressure gauge
Measurement point Hydraulics, measurement port A
Condition Flow on
Check / adjustment Checking the reduced water inlet pressure:
– Connect the measuring equipment to measurement port A.
– Measure11 the water pressure with solenoid valve MV41 closed.
Desired value of water inlet pressure: 0.90–1.40 bar
If it deviates from the desired value, the water inlet pressure must be
adjusted.
Adjusting the reduced water inlet pressure:
– Pull back the knurled nut on the pressure reducing valve A61.
– Turn the knurled nut to set the water pressure to the desired value
(clockwise: "+", counterclockwise: "–").
– Push the knurled nut back in.
Note
Measuring equipment for measurement points in the hydraulic unit:
UMED, HMED or pressure gauge
with a measuring range of –1 to +2.2 bar.
V41
A
A61

Fresenius Medical Care 4008 S Specifications

General

Brand	Fresenius Medical Care
Model	4008 S
Category	Medical Equipment
Language	English