Worcester GREENSTAR 24i Junior Installation, Commissioning And Servicing Instructions page 39

BURNER REMOVAL
Refer to figure 87
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. 87 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.
BAFFLE REMOVAL
Refer to figure 88.
1. 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 88.
6 720 802 047 (2013/05)
2.
Fig. 88 Baffle removal
ACCESS COVER REMOVAL
Refer to figure 89.
1. Remove the two pozi-drive screws
2. Remove the access cover
3. Remove the gasket.
Fig. 89 Access cover removal
CLEANING THE PRIMARY HEAT EXCHANGER
Refer to figure 90.
▶ Access the heat exchanger flue ways by inserting the cleaning brush
(7 716 192 312) through the top access hole in the casing, removal
of panel shown in figure 86.
SERVICE AND SPARES
1.
2.
3.
2.
1.
1.
6720643895-112.1Wo
39