15. Remove the assembly comprising the fan, Venturi, burner and gas
valve to access the inside of the heat exchanger.
11.2.3 Cleaning the heat exchanger
1. Remove the door.
2. Vacuum up any combustion residue.
3. Clean using a nylon brush.
Warning
Only use a nylon brush. Do not use a metal brush. Using a metal
brush will irreparably damage the heat exchanger.
Fig.155
MW-2000813-01
15
Fig.156
2
MW-2000789-01
Fig.157
MW-2000790-01
3
11 Maintenance
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