Bosch Worcester Greenstar Ri ErP + Series Installation And Maintenance Instructions Manual page 48

SERVICE AND SPARES
1. Refer to figure 60 and rotate fan and air/gas manifold assembly
around the top of the heat exchanger until it stops at the lug.
▶ Lift up assembly and remove from appliance.
2. Remove the cover panel by removing retaining screw.
1.
Fig. 60 Rotate air/gas manifold
BURNER REMOVAL
Refer to figure 61
1. Remove clamping plate.
2. Remove spark/flame electrode assembly and seal from the top of the
heat exchanger.
3. Remove burner.
1.
3.
Fig. 61 Burner removal
Checking and cleaning the electrode assembly:
NOTICE: Cleaning
▶ Do not use wire wool to clean the electrodes
▶ Inspect the condition of the electrodes and ceramics, replace if
necessary.
▶ Use a plastic scouring pad to clean the electrodes.
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2.
BAFFLE REMOVAL
1. Refer to figure 62and remove top baffle.
2. Remove lower baffle.
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 62.
Fig. 62 Baffle removal
ACCESS COVER REMOVAL
Refer to figure 63.
1. Remove the two pozi-drive screws
2. Remove the access cover
3. Remove the gasket.
Fig. 63 Access cover removal
1.
2.
3.
2.
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