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experience on how often cleaning is necessary (varies by operation, heating demand and wood
quality). Creosote occurs on a larger scale when there is too much moisture content in the wood
being used (green, un-seasoned wood) or from extended idling during milder weather.
D. Actuator Backup Battery
After landing wires on the battery charger and initially charging the battery at time of installation, the
battery charger green LED should always be lit and the red LED will only light when the actuator is
moving. Once a month, unplug the battery charger and push the red button on the CR1 relay inside
the control panel to make sure the damper actuator will run on battery power only.
E. Fuel Door And Cover Seals
Caution! For inspection and adjustment, make sure to follow the same procedures for
opening doors and covers as outlined for loading and cleaning.
Wet the rope seals on all doors and covers with WD-40 before firing the boiler to keep them from
hardening from smoke and creosote and re-apply 1 or 2 times throughout the heating season or as
needed.
Inspection
Check the rope seals on all doors and covers periodically during the heating season or when
cleaning ash from the boiler as they will compress.
If any amount of smoke is seeping out,
damage to a door or cover will occur if adjustment is not made immediately to tighten the
rope seal. This is not covered under warranty.
Tighten/adjust whenever smoke is noticed
seeping out or as needed using the procedures below. If there is no more adjustment available and
smoke is seeping through, the rope seal must be removed, cleaned & loosened up, reversed and
re-installed or replaced with new rope. Contact NC or your dealer for new rope or caulk if needed.
This is a normal maintenance item and not a warranty issue.
Adjusting Hinged Doors
Slightly loosen one bolt on the hinge or latch (depending on where adjustment is needed) and tap
with a wood block to re-position and then tighten. Continue with other bolts one at a time as
needed.
If the latch has no remaining adjustment, add washers behind the door handle to further tighten the
latch side.
Installing Rope On Hinged Doors (1” round rope)
Re-position the door hinge and latch as far out as possible and install 1” round rope seal with a ½”
bead of high temperature caulk behind it to glue the rope in place. Use a thicker layer of caulk
where needed to push rope out for maximum adjustment. This method can accommodate up to a
½” of misalignment. Make sure to push the rope to the outside of the corners to mate properly with
the jamb (do not stretch the rope). Put some caulk on the joint ends after cutting the rope and make
sure the ends are compressed or smoke will seep through. Over-extend the door latch open and
bounce the door closed twice to custom fit the seal to the jamb. If there are thick spots of caulk
keeping the rope pushed out, leave door open 24 hours until caulk behind rope is fully cured. Re-
adjust door to properly seal, wet with WD40, start the boiler and tighten further if needed.
Adjusting Bolted Covers
Tighten as needed using the provided 9/16” or 3/4” wrench. Do not over tighten.
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