www.webasto.us 55 Webasto Product N.A., Inc.
DBW 2010/2020/300 COOLANT HEATERS REPAIR
9.2.10 IGNITION ELECTRODES, REPLACEMENT
9.2.10.1 REMOVAL
1. Swing burner head open (see Sec. 8.5.1).
2. Disconnect the ignition leads from the ignition
electrodes.
3. Loosen the retaining clamp bolt and dismount the
ignition electrodes.
9.2.10.2 INSTALLATION
1. Install the new ignition electrodes.
2. Connect the ignition leads to the electrodes.
3. Adjust ignition electrodes (see Sec. 6.2.3).
4. Swing burner head closed (see Sec. 8.5.1).
Figure 43: Ignition Electrode Replacement
9.2.11 IGNITION COIL, REPLACEMENT
NOTE: If the ignition is faulty, check also the
flame detector (see Sec. 6.2.2).
9.2.11.1 REMOVAL
1. Swing open or remove burner head (see Sec. 9.2.5).
2. Disconnect the ignition leads from the ignition
electrodes.
3. Remove the four screws securing the ignition coil to
the protection cap (see Fig. 44).
4. Lift coil off cap enough to access electrical
connectors and disconnect.
9.2.11.2 INSTALLATION
1. Press electrical connectors together.
Brown – Brown
Black – Yellow
2. Place ignition coil into position making sure not to
jam or trap electrical cables.
3. Secure ignition coil with four screws removed
earlier.
4. Plug ignition leads onto ignition electrodes making
sure to fully engage into their niches
5. Check electrode gap with gauge and adjust if
necessary (see Sec. 6.2.3).
6. Swing burner head closed (see Sec. 9.2.5).
Figure 44: Ignition Coil Replacement
+ Black Wire
– Brown Wire
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