39
Service Manual
Check control accessories
• Bus connection
must be shown in the display.
Fig: DWT
Fig: AWT
The following is required for service:
1 Service set GB
Item no. 86 02 306
1 One of the following starter electrodes:
Starter electrode for natural gas to model year 05/01
Item no. 86 01 899
Starter electrode for liquified gas to model year 05/01
Item no. 86 01 901
Starter electrode for natural gas and liquified gas from model year 06/01
Item no. 27 96 268
1 Cleaning brush
Item no. 24 40 053
1 Measuring device for Federal Emission Control Law measurement
We recommend having the following parts on hand when making a service call:
1 Combustion chamber upper part insulation to model year 05/01
Item no. 86 01 868
1 Combustion chamber upper part insulation from model year 05/01
Item no. 86 02 258
1 Lateral seal for combustion chamber (2 units)
Item no. 86 02 134
1 Seal for combustion chamber up/down (2 units)
Item no. 86 02 133
1 Sealing sleeve for exhaust gas temperature sensor
Item no. 39 03 145
1 Sealing sleeve for test nipple
Item no. 39 03 143
1 Protective hose for ionization cable
Item no. 27 96 289
1 Tube of silicon grease
10 gram tube
Item no. 86 02 264
or 400 gram tube
Item no. 35 00 103
1 Seal for burner to 10/99
Item no. 39 03 121
1 Seal for burner from 11/99 die-cast adapter
Item no. 39 03 127
1 Flow/return sensor (3 units)
Item no. 86 01 883
1 Exhaust gas sensor
Item no. 86 01 864
1 Insulation for combustion chamber canister
Item no. 86 01 869
1 Tool for removing the hot water heat exchanger
Item no. 86 03 354
See the explosion drawing for additional parts
(available from Wolf)
Bus connection