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H. GENERAL MAINTENANCE AND CARE (continued)
As a minimum, the following replacement parts should be
stocked to support uninterrupted burner operation.
Electrode
Blower Wheel
Ignition Transformer
Gas Solenoid Valve
Flame Scanner
Items with greater life expectancy and/or greater dollar
value, such as flame safety controls, main gas valves and
blower motors should be obtained from your local Webster
representative when a need arises.
Frequency
X
Burner Flame
X
Jackshaft and Linkage
X
Air Damper
X
Fuel Metering Valves
X
Draft Controls (Stack)
X
Gas Fuel Pressure
X
Flame SafeGuard - Main
Flame
X
Flame SafeGuard
X
Flame SafeGuard
X
X
Hot Refractory Test
X
Interlock Controls
X
Firing Rate Control
X
Combustion Tuning
X
Main Fuel Valves
X
Main Fuel Valves
X
Main Fuel Valves
X
Low Pressure Air Switch
X
Mod Damper Switch
X
Linkage and Fuel Cams
X
Combustion Air Fan
X
X
Burner Components
X
Burner Mounting
X
Refractory and Seals
SG Manual
8 - Inspection and Maintenance Schedule
Component / Item
Visual inspection of burner flame.
Visual inspection for smooth and free travel.
Visual inspection for smooth and free travel.
Visual inspection for smooth and free travel.
Visual inspection for smooth and free travel.
Record in log book, compare trends.
Close manual fuel valve on pilot during cycle and check for safety shutdown,
recording time.
Check flame safeguard components, including scanner.
Replace flame safeguard components in accordance with manufacturers
instructions.
Conduct hot refractory hold in test. This test is required annually or after any
component change.
Check other interlocks that may be used on the burner for smooth operation
and correct action.
Check firing rate control and verify settings.
Conduct a combustion test, verify setting and NOx emission levels.
Make visual and manual check for proper sequencing of valves.
Check all coils, diaphragms, interlock switch & other parts of all safety shutoff
valves.
Perform leak tests on all safety shutdown control valves.
Test low air pressure switch for proper operation and adjustment.
Check damper low fire proving switch per manufacturers instructions.
Check linkage and cams for wear and replace any items with wear indication
or stress cracks.
Clean combustion air fan and housing
Visually check the burner components for signs of cracks, deformation, slip-
page or other unusual indication.
Check burner mounting clamps and brackets for tightness.
Check burner refractory for cracks or signs of leakage.
An illustrated parts drawing is included within the Burner
Instructions Manual to aid in parts identification. The noun
name of the part needed should be established from the
drawing, then the part number can be obtained from the
burner material list contained in the Burner Instructions
and Service Manual.
Always give Webster Engineering Serial
Number and/or UL Serial Number when
ordering parts.
Recommended Action or Test
Page 19
NOTE
Performed By
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X
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X
X
General Maintenance and Care
X
X
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X
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