Table of Contents AVL 4000
IV Service Manual
5.6 O
2
Sensor and NO Sensor.......................................................................................................................5-10
5.6.1 Replacing the O
2
Sensor................................................................................................................5-11
5.6.2 Replacing the NO Sensor..............................................................................................................5-11
5.7 Cleaning the Condensate Part of the 4/5-Gas Bench.........................................................................5-12
5.8 Error Symptom List - Remedies............................................................................................................5-14
6. Opacity Measuring Chamber Type A
6.1 System Check with Filter........................................................................................................................6-1
6.2 Upgrading an AVL DiGas 4000 to an AVL DiCom 4000....................................................................6-3
6.3 General Configuration............................................................................................................................6-4
6.4 Dismantling the Opacity Measuring Chamber...................................................................................6-6
6.4.1 Housing Cover 1 (on Exhaust Gas Outlet Side)........................................................................6-6
6.4.2 Housing Cover 2 (on Exhaust Gas Inlet Side) ...........................................................................6-7
6.4.3 Half-shells 1 and 2.........................................................................................................................6-9
6.5 Fans...........................................................................................................................................................6-12
6.6 Heating Blocks and Orifice Plates.........................................................................................................6-13
6.7 Changeover Valve with Geared Motor.................................................................................................6-15
6.8 Temperature Sensor................................................................................................................................6-17
6.9 Lamp Module (BO1135).........................................................................................................................6-19
6.10 Detector (BO1134) ...................................................................................................................................6-21
6.11 Purging Air Panels (YM2691)................................................................................................................6-23
6.12 Electrical Wiring......................................................................................................................................6-24
6.13 Reassembly of the Opacity Measuring Chamber................................................................................6-32
7. Opacity Measuring Chamber 4000
7.1 System Check with Filter........................................................................................................................7-1
7.2 Upgrading an AVL 4000 DiGas to an AVL 4000 DiCom..................................................................7-2
7.3 Assembling and Disassembling the Opacity Measuring Chamber..................................................7-4
7.4 Design and Details of Assemblies.........................................................................................................7-5
7.4.1 Fan Unit (BO2189).........................................................................................................................7-5
7.4.2 Measurement Cell (BO2138)........................................................................................................7-6
7.4.2.1 Replacing the Temperature Sensor in the Heating System..................................................7-6
7.4.3 Valve Unit (BO2139)......................................................................................................................7-7
7.4.3.1 Replacing the Temperature Sensor..........................................................................................7-7
7.4.4 Transmitter and Detector Unit.....................................................................................................7-8
7.4.4.1 Checking the Light Sources (green LEDs) and the Receiver ...............................................7-8
7.4.4.2 Checking the Reference Receiver............................................................................................7-8
7.5 Assembling the Opacity Measuring Chamber....................................................................................7-10
8. Spare Parts Lists
8.1 General......................................................................................................................................................8-1
8.2 Standard List............................................................................................................................................8-2
8.3 AVL 4000 with Opacity Measuring Chamber Type A........................................................................8-6
8.4 AVL 4000 with Opacity Measuring Chamber Model A France.........................................................8-10
9. Tools for the Service Technician
To Next Page
Loading...