Planmeca Compact I Technical Manual page 6

TABLE OF CONTENTS
Chapter G PARTS REPLACEMENT & REPAIR
TOC - 4 Planmeca Compact i Dental Unit
1 REMOVING COVERS.................................................................... G-1
2 UPHOLSTERIES REPLACEMENT ............................................... G-3
3 INSTRUMENT MULTIPLEXER RELATED.................................... G-7
3.1 Preparations before instrument multiplexer related replacements............. G-7
3.2 Replacing the whole multiplexer ................................................................ G-7
3.3 Replacing one multiplexer block (other than syringe) .............................. G-11
3.4 Replacing multiplexer control membrane................................................. G-12
3.5 Replacing instrument control valve .......................................................... G-13
3.6 Replacing instrument multiplexer proportional valves.............................. G-13
4 SUCTION SYSTEM RELATED.................................................... G-14
4.1 Function of the PM Microvac II separating tank ....................................... G-14
4.2 Replacing the whole PM Microvac II separating tank .............................. G-17
4.3 Replacing pressure balancing membrane................................................ G-18
4.4 Replacing intermediate and/or drain membrane ...................................... G-18
4.5 Replacing suction closing membrane ...................................................... G-19
5 ELECTRICAL PARTS REPLACEMENT ..................................... G-20
5.1 How to replace/upgrade the software ...................................................... G-20
5.2 Replacing fuses ....................................................................................... G-21
5.3 Replacing main control PCB .................................................................... G-22
5.4 Replacing instrument multiplexer PCB..................................................... G-23
5.5 Replacing control panel PCB ................................................................... G-24
5.6 Replacing suction sensor PCB................................................................. G-24
5.7 Replacing transformer.............................................................................. G-25
5.8 Replacing position sensors ...................................................................... G-26
6 MOTORS REPLACEMENT ......................................................... G-27
6.1 Replacing backrest motor ........................................................................ G-27
6.2 Replacing chair lift motor.......................................................................... G-34
7 VALVES & FILTERS REPLACEMENT ....................................... G-36
7.1 Decompressing water and air pressures.................................................. G-36
7.2 Replacing the whole magnetic valve/pressure regulator assembly ......... G-36
7.3 Replacing water and air filter/regulator assemblies ................................. G-37
7.4 Replacing water and air filters and the water regulator plug .................... G-38
7.5 Replacing the water / air regulator membrane ......................................... G-39
7.6 Replacing water or air main valve assembly............................................ G-40
8 CABLES & TUBES REPLACEMENT.......................................... G-41
8.1 Replacing OP delivery arm cable............................................................. G-41
9 OTHER PARTS REPLACEMENT ............................................... G-42
9.1 Detaching the instrument console from the OP delivery arm................... G-42
Technical Manual