Moberg Fireplaces GS-18-3, Installation And Operation Manual

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g. Check condition of the ceramic logs for large cracks,
fissures or missing pieces.
h. Check the wires for melting, loose or broken connections.
i. Check the aluminum pilot tubing for pinching or cracking.
j.
Check the gas connections and fittings for looseness.
(Pilot/ ignitor assembly at rear of grate)
(Gas connections at rear of unit)
Annual Routine Maintenance: should be completed by qualified gas service or HVAC technician in addition to above.
1. Remove logs carefully (logs are fragile); inspect for large cracks, fissures or missing pieces.
a. Take note of log position for replacement (see page 7).
b. Place the logs on a blanket or newspapers to protect surfaces.
c. Vacuum/scoop the slag from the burner trays.
d. Clean the pilot/ignitors, being careful not to damage the wire tips or ceramic insulators.
e. Clean the flame sensor tip with emery cloth.
f. Check the ignition brackets for tightness and alignment with top edge of burn tray.
g. Check the wire connections to the ignitors for corrosion, cracking or looseness.
h. Vacuum the firebox floor and hearth burner (if applicable) to remove soot, dust carbon and old mineral
wool.
i. In systems with hearth effect burners, check all connections to the burner and the pilot/igniter assembly as
above.
j. If firebox walls are also to be restored, first vacuum, then wash the masonry firebox walls at this time, if
desired, using a damp sponge and cleanser.
k. Replace the black copper slag on the firebox floor or fill hearth effects burner to edge (refer to attached
photos for material positions).
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