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2008K2Preventive Maintenance Procedures
P/N 508138 Rev. J
PREVENTIVE MAINTENANCE PROCEDURES
TABLE OF CONTENTS
1.0 INTRODUCTION ............................................................................................................................ 1
1.1 TEST EQUIPMENT AND SUPPLIES NEEDED..........................................................................1
1.2 OPERATING MODES ................................................................................................................3
1.3 FRONT PANEL CONTROLS......................................................................................................4
1.4 MEASURING FLUID VOLUMES................................................................................................7
2.0 SIX (6) MONTH PREVENTIVE MAINTENANCE........................................................................... 8
2.1 FILTERS...................................................................................................................................10
2.2 PRE-UF PUMP FILTER............................................................................................................10
2.3 UF PUMP CHECK VALVES .....................................................................................................11
2.4 HIGH VOLTAGE AC CONNECTIONS......................................................................................11
2.5 UF PUMP .................................................................................................................................12
2.6 CONDUCTIVITY ......................................................................................................................12
2.7 TEMPERATURE ......................................................................................................................13
2.8 ALARMOPERATION AND PRESSURE HOLDING TESTS.....................................................14
2.9 VERIFYPH...............................................................................................................................16
2.10 POWERFAILURE ALARM.......................................................................................................16
2.11 FINAL CHECKS .......................................................................................................................17
3.0 ANNUAL (4000 HOUR) PREVENTIVE MAINTENANCE............................................................18
3.1 FILTERS AND O-RINGS..........................................................................................................18
3.2 PRE-UF PUMP FILTER............................................................................................................19
3.3 UF PUMP CHECK VALVES .....................................................................................................19
3.4 DIAPHRAGM PUMPS ..............................................................................................................19
3.5 HEATERELEMENT.................................................................................................................20
3.6 HIGH VOLTAGE AC CONNECTIONS......................................................................................20
3.7 DEAERATION MOTOR BRUSHES..........................................................................................21
3.8 INLETWATERPRESSUREREGULATOR..............................................................................22
3.9 ONLINE CLEARANCE TEST (IF APPLICABLE).......................................................................23
3.10 DEAERATIONAND LOADING PRESSURE ............................................................................26
3.11 FLOW RELIEF PRESSURE.....................................................................................................27
3.12 CONCENTRATE AND BICARB PUMPS..................................................................................28
3.13 UF PUMP .................................................................................................................................28
3.14 CONDUCTIVITY ......................................................................................................................28
3.15 TEMPERATURE ......................................................................................................................28
3.16 VOLT HI LO DETECT...............................................................................................................28
3.17 BLOOD LEAK AND DIMNESS .................................................................................................29
3.18 ARTERIAL, VENOUS AND TRANSMEMBRANE PRESSURE.................................................30
3.19 DIALYSATE FLOW ..................................................................................................................33
3.20 HEPARINPUMP ......................................................................................................................33
3.21 BLOOD PUMP..........................................................................................................................36
3.22 LEVEL DETECTOR..................................................................................................................38
3.23 ALARMOPERATION AND PRESSUREHOLDING TESTS.....................................................40
3.24 VERIFY PH ..............................................................................................................................40
3.25 RINSE CHECKS.......................................................................................................................41
3.26 BATTERYAND POWER FAILURE ALARM .............................................................................42
3.27 BLOOD PRESSURE MODULE ................................................................................................43
3.28 FINALCHECKS .......................................................................................................................46
4.0 REBUILDING THE DIAPHRAGM PUMPS..................................................................................47
4.1 REBUILDING THE ULTRAFILTRATION PUMP.......................................................................47
4.2 REBUILDING THE CONCENTRATE AND BICARBONATE PUMPS .......................................50
4.3 TESTING CONCENTRATE AND BICARBONATE PUMPS......................................................52
PREVENTIVE MAINTENANCE CHECKLIST SIX (6) MONTH...........................................................55
PREVENTIVE MAINTENANCE CHECKLIST ANNUAL/4000 HOUR ................................................57