Duke WB304-NAT Manual de serviço - Página 9
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10. Light the pilot.
11. Replace the galvanized burner liner.
12. Verify the burner lights properly.
Pilot Replacement
Direct Burn Pilot
Figure 7.
Direct Burn Pilot
The pilot, Figure 7, for a direct burn unit is
connected directly to the gas supply manifold.
1. Shut off the gas supply.
2. Remove the galvanized burner liner from the
pan.
3. Remove the screws the hold the bottom cover
in place.
4. Remove the pilot tube from the manifold.
5. Slide the pilot tube away from the burner and
out of the unit.
6. Place gas approved thread sealer on the new
pilot tube fitting.
7. Replace the pilot tube.
8. Perform leak test.
9. Install the bottom cover.
10. Turn the gas supply on.
11. Replace the galvanized burner liner.
12. Light the pilot.
13. Verify that the burner will light correctly.
Gas Operated Foodwarmers
Safety Valve Pilot
Figure 8.
Safety Valve Pilot
On units with a safety valve the pilot, Figure 8, is
connected to the safety valve.
1. Shut off the gas supply.
2. Remove the galvanized burner liner from the
pan.
3. Disconnect the pilot tube from the safety
valve.
4. Remove the pilot assembly from the unit.
5. Place gas approved thread sealer on new pilot
tube fitting.
6. Replace pilot assembly.
7. Perform leak test.
8. Install the bottom cover.
9. Turn gas supply on.
10. Light pilot.
11. Replace the galvanized burner liner.
12. Verify that the burner lights properly.
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