Isolate 'From Balancing Chamber' Circuit; Isolation Area Diagram - Fresenius Medical Care 2008T Troubleshooting Manual

TMP- 4.5.0 ISOLATE 'FROM BALANCING CHAMBER' CIRCUIT
a) Figure below, (CAREFUL HERE!) clamp VALVE #26's INPUT tubing.
b) Can you achieve -250 mmHg and HOLD it (+/- 15 mmHg per minute) now (Yes or No)?
Yes -250 mmHg achieved and HOLDS! There is a leak between the top balancing chamber
valves (#31 through #34) and the DiaSafe
in RINSE may locate the leak but allow ten (10) minutes to see a small leak! If a leak is not
located, proceed to
No -250 cannot be achieved and / or held! There is a leak between Chamber #69 and the valves
#24 and #25. Remove ALL clamps.
may help locate the leak.
Figure 72 C – Isolation
Area
®
page 534
, SECTION 11 - INDUCED AIR LEAK
SECTION 11 - INDUCED AIR LEAK TESTS
2008T Troubleshooting Guide
P/N 490292 Rev. A
filter. Remove ALL clamps! Placing the machine
TESTS.
(page 534)
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