United States Stove A9740N, G9740L, C9740N, G9740N Cleaning / Servicing, Flame Appearance, Flames

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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 not be impinging

#2

#1

on the small cross twigs. (See Below, Figure 11)

FIGURE 11. Flames - Natural Gas and LP Gas

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Contents United States Stove Company Table of Contents Important Safety Information Explosion or carbon monoxide poisoningProduct Features FeaturesContents Codes Items Required for InstallationItems Required for Installation Adequate Combustion and Ventilation AIRInstallation Minimum ClearancesGAS Connection Gas ConnectionGAS Pressure Check Rear View of 9740 Vent-Free Gas HeaterRemoving Front Screen LOG AssemblyProper Installation Sequence LOG PositioningOperating Instructions For Your Safety Read Before LightingFor Your Safety What to do if YOU Smell GASLighting Instructions Turn OFF GAS to AppliancePilot Flame Match Lighting InstructionsChecking Flame Appearance Flames Cleaning / ServicingFlame Appearance Heater Assembly Replacement Parts Parts List for Heater Assembly KEY Description QTYBurner & LOG Assembly Parts List for GAS LOG Assembly Troubleshooting Observed Problem Possible Cause RemedyTroubleshooting Optional F40 Blower KIT Page Limited Warranty Policy HOW to Order Repair Parts or Options United States Stove Company