Bosch Condens 8300i W - Checking the Burner

Inspection and maintenance
Condens 8300i W – 6721841531 (2022/10)
42
9.9 Checking the burner
1. Remove the nut and screw [1] on the burner cover.
2. Remove the burner cover.
Fig. 47 Removing the burner cover
▶ Remove the burner and clean its components.
Fig. 48 Burner
▶ Reinstall the burner in reverse order, including a new gasket if
required.
▶ Install the burner and the burner cover.
▶ Tighten the screw ([1], Fig. 47) on the burner cover with
5.5+0.5 Nm.
▶ Tighten the nut on the burner cover with 15+4 Nm.
Fig. 49 Tighten the nut on the burner cover
▶ Check the gas/air ratio.
2.
1.1.1.
1
1.
0010040962-001
0010023603-002
1.
2. 2.
3.
+
15+4 Nm (min. 90°)
+
15+4 Nm (min. 90°)
0 mm 0 mm
1.
0010033960-003