Section 12 - Induced Positive Pressure Tests - Fresenius Medical Care 2008K Troubleshooting Manual

SECTION 12 – INDUCED POSITIVE PRESSURE TESTS
During these procedures (10 steps), hydraulic systems are checked for external water leaks. USE A
FLASHLIGHT! BE THOROUGH! FEEL AROUND! Leaks can be VERY small and take several minutes to
become obvious! If a leak if found this may be the problem!
1. Place the dialyzer connectors into the shunt and close the door.
2. Plug the concentrate connectors into their respective rinse ports.
3. Place the machine into Rinse Program.
4. Referring to Figure 80
removal chamber #69; 2) Filter #74; 3) UF pump #22; 4) Valve #78
ONLY if) no leaks are located see step 5.
5. Referring to Figure 81
External Flow Indicator #75; 7) Dialysate Line Filter #73; 8) (Optional) Fluid Sample Port; 9) Dialysate
line connections at the rear of the machine. If no leaks are located see step 6.
Figure 80 – Internal Dialysate Circuit Leak Checks
Figure 81 – External Dialysate Circuit Leak Tests
(page 208) check for leaks inside the hydraulic drawer but especially at: 1) Air
(page 208), check for leaks at the: 5) Dialyzer Quick Connects and o-rings; 6)
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
(Figure 81, page 208). If (and
Page 208