Bosch Greenstar 12i Service Manual download pdf (Page 48)

SERVICE AND SPARES

6 720 644 743b (2011/08)

BURNER REMOVAL

Refer to figure 83

1. Remove clamping plate.

2. Remove spark/flame electrode assembly and seal

from the top of the heat exchanger.

3. Remove burner.

Fig. 83 Burner removal

Checking and cleaning the electrode assembly:

B Inspect the condition of the electrodes and ceramics,

replace if necessary.

B Use a plastic scouring pad to clean the electrodes.

BAFFLE REMOVAL

Refer to figure 84.

1. Remove top baffle.

2. Remove lower baffle.

Fig. 84 Baffle removal

NOTICE: Cleaning

B Do not use wire wool to clean the

electrodes

6720643895-61.1Wo

If the lower baffle is stuck, it may be

necessary to use the “Baffle removal tool”

from the heat exchanger cleaning kit

- 7 716 192 312, as shown in figure 84.

6720643895-64.1Wo

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Bosch Greenstar 12i Service Manual Page 48