United States Stove C9947L Owner's Operation And Installation Manual page 33

CLEANING / SERVICING
Periodic Cleaning
• Do not use cleaning fluid to clean logs or any part of heater.
• Logs - Brush with soft bristle brush or vacuum with brush attachment.
• Vacuum loose particles and dust from the front and rear burner, control, and piezo.
• Inspect burner's and air intake hole. Remove lint or particles with vacuum.
• External case should be dusted and wiped with a wet soapy cloth.
Annual Cleaning/Inspection
• Inspect and clean burner air intake holes.
• Inspect and clean all burner ports.
• Inspect ODS pilot for operation and accumulation of lint at air intake holes.
• Verify flame pattern and log placement for proper operation.
FLAME APPEARANCE
• Verify smooth and responsive ignition of main burner and rear burner.
In normal operation at full rate after 15 minutes the following flame appearance should be observed.
FLAMES
The flames behind log #1, and in front of log #2, should be yellow with a blue base. The flames should
#2
not be impinging on the small cross twigs. (See Below, Figure 11)
FIGURE 11. Flames - Natural Gas and LP Gas
1 4
#1