5.1.1.4. Removing the upper casing ....................................................................................................... 96
5.1.1.5. Removing the spring protector .................................................................................................. 98
5.1.2. Operating arm ...................................................................................................................................... 98
5.1.2.1. Fully removing the operating arm ............................................................................................. 98
5.1.2.2. Changing the arm hose ............................................................................................................. 99
5.1.2.3. Changing the X motor ............................................................................................................... 100
5.1.2.4. Changing the Y motor ............................................................................................................... 102
5.1.2.5. Changing the Z motor ............................................................................................................... 102
5.1.2.6. Changing the Y motor belt ....................................................................................................... 103
5.1.2.7. Changing the spring ................................................................................................................. 103
5.1.3. Dispensing system............................................................................................................................ 104
5.1.3.1. Changing the thermostated pipe. ........................................................................................... 104
5.1.3.2. Changing the dispensing pump seal ...................................................................................... 105
5.1.3.3. Changing the dispensing pump motor ................................................................................... 106
5.1.3.4. Changing the dispensing electrovalve ................................................................................... 107
5.1.3.5. Changing the container tube unit ............................................................................................ 107
5.1.3.6. Changing the distilled water container lters ........................................................................ 107
5.1.4. Reactions rotor and reading ............................................................................................................ 108
5.1.4.1. Changing the rotor temperature probe ................................................................................... 108
5.1.4.2. Fully removing the rotor ........................................................................................................... 109
5.1.4.3. Changing the rotor Peltier cells ............................................................................................... 109
5.1.4.4. Changing the rotor cover detector .......................................................................................... 110
5.1.4.5. Changing the rotor start photosensor .................................................................................... 110
5.1.4.6. Changing the rotor motor ..........................................................................................................111
5.1.4.8. Changing the lamp .................................................................................................................... 112
5.1.4.9. Changing an optical lter ......................................................................................................... 113
5.1.4.10. Conguration of the lter wheel ............................................................................................ 113
5.1.4.11. Changing the lter wheel start photosensor ........................................................................ 113
5.1.4.12. Changing the lter wheel motor ............................................................................................ 114
5.1.5. Electronic Systems ........................................................................................................................... 114
5.1.5.1. Changing the X, Y and encoder start photosensor ................................................................ 114
5.1.5.2. Changing the microprocessor board ...................................................................................... 115
5.1.5.3. Changing the power supply board .......................................................................................... 115
5.1.5.4. Changing the main power supply source ............................................................................... 116
5.1.5.5. Changing the photometric system board ............................................................................... 116
5.1.5.6. Changing the front indicator .................................................................................................... 117
5.1.5.7. Changing the rmware program .............................................................................................. 118
5.2. RECOMMENDED PREVENTIVE MAINTENANCE .......................................................118
5.3. CARE AND CLEANING .................................................................................................119
5.3.1. General care of the analyzer ............................................................................................................ 119
5.3.2. Cleaning the optical system ............................................................................................................. 119
5.3.3. Cleaning the dispensing system ..................................................................................................... 120
5.3.4. General cleaning of the interior of the apparatus .......................................................................... 120
A I. TECHNICAL SPECIFICATIONS ................................................. 121
A II. ADJUSTMENT MARGINS TABLES .......................................... 125
A III. LIST OF CONSUMABLES, ACCESSORIES AND SPARES ... 126
A IV. LIST OF REQUIRED TOOLS .................................................... 128
A V. SOFTWARE VERSIONS ............................................................ 128
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