A.O. Smith TWI 35-200, Installation, User And Service Manual

Page: 70 / 92

Fig. Remove the burner.
Use compressed air to remove all contamination from the outside to the inside of the
burner.
11.4.2 Assemble the burner
Assemble the burner again when the burner is cleaned.
Note
Before reassembly replace the gasket, bolts and washers. You can order a special gasket
and mounting set at your supplier. Look at the data plate for the correct ordering
information.
Refer to the figures in Clean the burner (see 11.4.1) to assemble the burner:
1.
Install the spark plug and the flame rod onto the combustion chamber.
2. Install the burner and fan with four nuts onto the combustion chamber.
3. Install the gas control valve.
4. Connect the hose to the gas control valve.
5. Connect the gas supply pipe to the gas control valve.
6. Install the air inlet filter.
7. Install the air supply pipe.
8. Place the secure pin.
9. Connect the hoses to the air inlet pipe.
10. Open the gas control valve, refer to Installation diagram 8.3.
11.4.3 Clean the air inlet filter
Clean the air inlet filter:
1.
Remove the secure pin (3) to disconnect the air supply pipe (1).
2. Pull the air supply pipe out of the water heater.
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70 Installation, Maintenance and Service part