Disassembly Of The Ignition Electrode On The Burner Door; Replace The Lip Seal On The Burner Door - Worcester Greenstar 1000 GR1000W 24 C NG Installation And Maintenance Instructions Manual

Fig. 98 Add silicone adhesive and place the new insulation
▶ Make sure the burner is in good condition. If necessary, replace
according to Chapter 10.19, page 10.19.
▶ Apply temperature-resistant silicone adhesive (high-temperature-
resistant sealant >250*C) as shown in figure 98.
▶ Insert the new insulation and bring it into contact with the places
where the silicone adhesive was applied.
▶ Align the ignition electrode opening on the insulation disk with the
ignition electrode opening on the burner door.
▶ Replace the lip seal with the new one according to Chapter 10.5,
page 10.5.
▶ Reinstall the ignition electrode together with a new gasket according
to Chapter 10.4, page 63.
Clean the contact areas of the burner door and the heat exchanger
before assembly.
▶ Reassemble the burner door assembly on the heat exchanger.
▶ Tighten the four retaining nuts in the sequence shown. Do not over-
tighten the four nuts.
Fig. 99 Assembly of the burner door assembly
Greenstar 1000 – 6721835943 (2023/08)
2.
1.
0010045749-001
0010046048-002
10.4 Disassembly of the ignition electrode on the burner
door
Removing the ignition electrode
Fig. 100 Disassembly ignition electrode
[1] Fixing screws
[2] Electrode
[3] Gasket
▶ Disconnect the cables from the electrode.
▶ Remove the electrode [2] by unscrewing the two fixing screws [1]
and the gasket [3].
▶ Take care not to damage the burner door insulation.
Assembly of the new electrode
▶ Reassemble the ignition electrode by using a new gasket
▶ Replace mounting screws.
▶ Tighten both screws, taking care not to over-tighten.
▶ Check if the earth connection for the igniter is put back after service.
▶ Check if the service steps didn't damage the burner door insulation.
10.5

Replace the lip seal on the burner door

Fig. 101 Replace the lip seal
[1] Lip seal
▶ Remove the burner door assembly (Chapter 9.7.1, page 55).
▶ Remove the old lip seal [1].
▶ Inspect the sealing Groove on the burner door and remove any
residue.
Replacement parts
1
2
3
0010045762-001
1
0010045821-001
63