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Duke WB302-NAT サービスマニュアル

PARTS REPLACEMENT

Gas Valve Replacement.

Figure 3.
Location of gas valves
General
The gas valve is located in front on the control
panel below each pan (see Figure 3).
1. Shut the gas supply to the unit off.
2. Remove the galvanized burner liner.
3. Remove the knob.
4. Remove the mounting screws.
5. Disconnect the burner tube from the valve.
CAUTION: Do not kink the burner tube when
moving it out of the way.
6. Remove the valve from the manifold.
7. Place gas rated thread sealer on new valve
threads.
Gas Operated Foodwarmers
Figure 4.
Manifold with gas valve
8. Thread the new valve onto the manifold as
shown in Figure 4. Make sure it is tight.
9. Place gas rated thread sealer on the threads
of the valve.
10. Reconnect the burner tube.
11. Perform pressure check for leaks.
12. Install the bottom cover.
13. Connect the unit to the gas supply.
14. Turn the gas on and light the pilot.
15. Replace the galvanized burner liner.
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