Gas-Side Maintenance; Finalising Maintenance - A.O. Smith ADM - 40 Installation, User And Service Manual

12
12.4 Gas-side
maintenance
12.4.1
12.4.2
12.4.3
12.4.4
12.5 Finalising
maintenance
60
Performing maintenance
Introduction
The following steps must be carried out on the gas side:
1. Clean the burner(s).
2. Clean the orifice(s).
3. Checking the flue baffles.
Clean the burner(s)
1. Detach the burner(s)
2. Remove all contamination present on the burner(s).
3. Fit the burner(s)
Clean the orifice(s)
1. Detach the orifice(s)
2. Remove all contamination present in the orifice(s).
3. Fit the orifice(s)
Checking the flue baffles
Warning
The flue baffles can be hot.
1. Remove the flue baffles from the appliance.
2. Check the flue baffles for the presence of corrosion, removing this if
necessary.
3. Check the flue baffles for wear, and replace the flue baffles if necessary.
4. Place a new sealing ring on the rim of the tank and re-fit the lid.
5. Fit the draught diverter (3.9.2 "Fitting the draught diverter").
6. Feed the cable of the flue gas thermostat through the strain relief and attach
the wiring to the connector block (14.2 "Electrical Diagrams ADM").
7. Refit the cable clamps to the appliance and draught diverter.
8. Re-fit the protective cover.
To finalise the maintenance, carry out the following steps:
1. Fill the appliance (5 "Filling").
2. Start the appliance (9 "Starting and running").
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Instruction manual ADM