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CLASSIC EDGE OUTDOOR FURNACE • OWNER'S MANUAL
1. Remove the secondary air charge tube by lifting and then sliding it toward
the rear of the outdoor furnace. Inspect the mixing channel to see the area
is not plugged.
2. Inspect each refractory module for damage. Small cracks and chips in the
refractory are normal. If large pieces of the refractory modules are missing,
contact your Central Boiler dealer.
3. Install the secondary air charge tube making sure the alignment pin is
seated in the alignment hole in the refractory modules.
3-13. Primary Air Elbow
1. Disconnect the electrical power to the outdoor furnace at the main power
source.
Do not proceed without testing that power is disconnected. Make sure the power
cannot be reconnected while servicing the solenoids (i.e., use lock out, tag out).
2. Remove the outer airbox cover; then open the airbox cover.
3. Disconnect the power leads from the solenoid.
4. Loosen the hose clamp securing the primary air elbow to the coupler; then
remove the primary air elbow.
Air Tube
Hose Clamps
5. Inspect the elbow and clean out any build-up or blockage.
NOTE: A small amount of material in the elbow is normal and is not an indication of
improper operation.
6. Inspect the air tube for blockage or obstructions. To remove blockage or
obstructions in the air tube, a screwdriver and a shop vac may be useful.
7. Install the primary air elbow in the coupler; then tighten the hose clamp.
8. Connect the power leads to the solenoid.
