Over- 3.0.1 Isolate Inlet Pressure Regulator (Slow Overflow); Over- 4.0.0 Isolate Inlet Water Valve #41 (Slow Overflow) - Fresenius Medical Care 2008K2 Troubleshooting Manual

OVER- 3.0.1 ISOLATE INLET PRESSURE REGULATOR (Slow Overflow)

This procedure checks the Regulator #61's ability to maintain pressure over time.
IMPORTANT!
a) Leaving the water on, turn the machine OFF!
b) NOTE gauge pressure for use later. It MUST NOT be more than 22 psi!
c) Allow up to fifteen (15) minutes! Does pressure increase more than 2 psi above what was noted in part b
(Yes or No)?
Yes Pressure increased more than 2 psi! TWO (2) possibilities: 1) Incoming water pressure
more than 105 psi OR; 2) Bad Regulator #61. There is a Rebuild kit for Regulator #61 (P/N
190934).
No Pressure did NOT increase! See procedure number

OVER- 4.0.0 ISOLATE INLET WATER VALVE #41 (Slow Overflow)

a) ENSURE the machine is off AND the water is on!
Per the Figure below
b)
the Air Gap tower. This tubing is from Inlet Water Valve #41.
DO NOT touch the Vent Tubing
c)
Part d next page
, at the top of the hydrochamber, locate the clear tubing that vertically enters
Figure 101 – Valve #41 Check
but pull the tubing off the Air Gap Tower.
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
OVER- 4.0.0 (page 544).
Page 544