2008T Troubleshooting Guide
P/N 490292 Rev. A
SECTION 12 – INDUCED POSITIVE PRESSURE TESTS
During these procedures hydraulic systems are checked for external leaks. USE A FLASHLIGHT! BE
THOROUGH! FEEL AROUND! Small leaks may take several minutes to become obvious and can cause
BIG problems!
1.
Place the machine into RINSE! This creates positive pressure in the secondary circuit!
2. Figure below check for leaks at: 1) Top and bottom of Air Removal Chamber #69; 2) Filter #74; 3) UF
Pump #22. If no leaks continue to step #3.
Figure 80 – Internal Dialysate Circuit Leak Checks
3. Figure below, check for leaks at: 1) Valve #78; 2) Dialyzer Quick Connectors and O-rings; 3) External
Flow Indicator #75; 4) Dialysate Line Filter #73; 5) (Optional) Fluid Sample Port; 6) Dialysate line
connections at the rear of the machine. If no leaks continue to step #4 (next page).
Figure 81 – External Dialysate Circuit Leak Tests
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