Inspection and servicing
Worcester Commercial Boiler Series – 6720814332 (2019/04)
40
▶ Remove the gas supply pipe.
Fig. 77 Removing the gas supply pipe
▶ Remove the air intake pipe from the fan.
Fig. 78 Detaching the air intake pipe (Pictured: 50/65kW)
▶ Release the 4 snap fasteners on the burner cover.
The snap fasteners are under tension.
Fig. 79 Opening the snap fasteners
▶ Remove the gas-air unit together with the burner cover.
Fig. 80 Remove the gas-air unit together with the burner cover.
11.3
To clean the burner
▶ Remove the burner gasket and replace if necessary.
Fig. 81 Removing the burner gasket
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