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Heat & Glo • Cerona-36, Cerona-42 • 2106-900 Rev. H • 11/08 51
Inspect Maintenance Tasks
Doors, Surrounds
and Fronts
1. Assess condition of screen and replace as necessary. Recommend addition of screen if one is not present.
2. Inspect for scratches, dents or other damage and repair as necessary.
3. Verify no obstructions to airfl ow through the louvers.
4. Verify maintenance of proper clearance to combustible household objects.
Gasket Seal, Glass
Assembly and Glass
1. Inspect gasket seal and its condition.
2. Inspect glass panels for scratches and nicks that can lead to breakage when exposed to heat.
3. Confi rm there is no damage to glass or glass frame. Replace as necessary.
4. Verify that latches engage properly, clip studs are not stripped, and glass attachment components are
intact and operating properly. Replace as necessary.
5. Clean glass. Replace glass assembly if severely coated with silicate deposits that cannot be removed.
Valve Compartment
and Firebox Top
1. Vacuum and wipe out dust, cobwebs, debris or pet hair. Use caution when cleaning these areas. Screw
tips that have penetrated the sheet metal are sharp and should be avoided.
2. Remove any foreign objects.
3. Verify unobstructed air circulation.
Logs 1. Inspect for broken, damaged, or missing logs. Replace as necessary.
2. Verify correct log placement and no fl ame impingement causing sooting. Correct as necessary.
Firebox 1. Inspect for paint condition, warpage, corrosion or perforation. Sand and repaint as necessary.
2. Replace appliance if fi rebox has been perforated.
Burner Ignition and
Operation
1. Verify burner is properly secured and aligned with pilot or igniter.
2. Clean off burner top, inspect for plugged ports, corrosion or deterioration. Replace burner if necessary.
3. Replace ember materials with new dime-size and shape pieces. Do not block ports or obstruct lighting paths.
4. Check for smooth lighting and ignition carryover to all ports. Verify there is no ignition delay.
5. Inspect for lifting or other fl ame problems.
6. Verify air shutter is clear of dust and debris.
7. Inspect orifi ce for soot, dirt or corrosion.
8. Verify manifold and inlet pressures. Adjust regulator as required.
9. Inspect pilot fl ame strength. Clean or replace orifi ce as necessary.
10. Inspect thermocouple/thermopile or IPI sensor rod for soot, corrosion and deterioration. Clean with emery
cloth or replace as required.
11. Verify millivolt output. Replace as necessary.
Venting 1. Inspect venting for blockage or obstruction such as bird nests, leaves, etc.
2. Confi rm that termination cap remains clear and unobstructed by plants, etc.
3. Verify that termination cap clearance to subsequent construction (building additions, decks, fences or
sheds) has been maintained.
4. Inspect for corrosion or separation.
5. Verify weather stripping, sealing and fl ashing remains intact.
6. Inspect draft shield to verify it is not bent, damaged or missing.
Remote controls 1. Verify operation of remote.
2. Replace batteries in remote transmitters and battery-powered receivers.
3. Verify batteries have been removed from battery back-up IPI systems to prevent premature battery failure
or leaking.