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3.-Stove door not closed tightly.

-Low draft pressure/draft stabilizer not closing (check pressure). -Carbon deposits at oil entry (operate de-coking rod).

-Cold flue.

-Plugged flue.

-Wind conditions causing pressure to be out of limits. -Faulty catalyst.

4.-Any problems in (3) above.

-Dirt, carbon, or residue in burner bottom or fuel connection at burner (operate de- coker).

-Low-fire set too low on carburetor (adjust, see section 4).

5.-Carburetor out of adjustment (decrease high-fire screw). -Cold flue.

-Draft stabilizer needs adjusting (allowing too much air into flue). -Flame set too high (flame impinging on baffle too much). -Faulty gasket (door rope, glass seal, or relief plate seal). -Excessive residue in burner bottom.

6.-High wind, or unstable draft condition.

-Incorrect carburetor setting (increase low-fire screw). -Draft stabilizer out of adjustment.

-Faulty carburetor.

7.-Abnormally high, gusty winds (If you live in a windy area, a second draft stabilizer may need to be installed in the pipe as well to compensate).

-A wind-directional cap or vacuum cap may be helpful to prevent wind gusts and down drafts from affecting pressure.

8.-No oil in tank.

-Valve in fuel supply line shut inadvertently.

-Fuel supply blocked (plugged filter, frozen water). -Carburetor on/off lever tripped.

9.-Stove door having been open for a while and then shut (a roaring noise can occur for a short period until draft stabilizes).

-Draft stabilizer unable to open enough to compensate with the high draft condition. (adjust high-fire setting, see section 4)

10.-Carbon deposits (operate de-coking rod). -Draft stabilizer stuck closed.

-Draft pressure too high.

11.-Carburetor adjusted too high, allowing too much flame impingement on stove top. -Flue plugged or dirty.

-Dirty burner or plugged fuel inlet (operate de-coker/clean burner bottom) -House pressure problem

-Draft stabilizer out of adjustment. -Faulty or deteriorated catalyst.

-Blocked or inhibited air supply to stove (check outside air supply to stove or room). -Faulty gasket (door rope, glass seal, relief plate seal, or burner gasket).

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Kuma Stoves OC-8, OC-7, OC-10 user manual

OC-10, OC-8, OC-7 specifications

Kuma Stoves has earned a reputation for producing high-quality, efficient wood stoves that combine functionality with aesthetic appeal. Their OC series, which includes the OC-7, OC-8, and OC-10 models, showcases a commitment to excellent design, advanced technology, and user-friendly features. Each stove in this series offers robust performance tailored to meet diverse heating needs while emphasizing durability and efficiency.

The OC-7 is the smallest model in the series, making it ideal for compact spaces like cabins or cozy living rooms. Featuring a large glass door, the OC-7 allows for an unobstructed view of the fire, enhancing ambiance while providing a substantial output of 27,000 BTUs. Its advanced air wash system ensures a clean glass surface, reducing maintenance and ensuring a beautiful fire view. With an estimated heating capacity of up to 1,500 square feet, the OC-7 excels in efficiency, boasting an EPA certification that guarantees low emissions for a cleaner burn.

Moving up in size, the OC-8 offers increased heating capacity and efficiency. This model produces an impressive 32,000 BTUs and can effectively heat areas up to 2,000 square feet. The OC-8 features a secondary combustion system that maximizes heat output while minimizing smoke and particulate emissions. This sophisticated technology not only enhances fuel efficiency but also contributes to a more environmentally sustainable heating solution. Additionally, the OC-8 includes a larger firebox, accommodating longer logs for extended burn times.

At the top of the OC series, the OC-10 model brings superior power and performance. With a staggering output of 45,000 BTUs, it can heat up to 2,500 square feet, making it suitable for larger homes or open spaces. The OC-10 incorporates a state-of-the-art catalytic combustor, which helps achieve even lower emissions and higher efficiency during burning. This technology allows users to enjoy longer burn times and less frequent reloading, translating into convenience and sustainability.

All three models in the Kuma Stoves OC series feature high-quality craftsmanship, with materials designed for longevity and resilience. Additionally, they come with customizable options, including various finishes and door styles, allowing homeowners to select a design that complements their décor. With their combination of aesthetics, performance, and advanced technologies, the OC-7, OC-8, and OC-10 stand out as exceptional choices for those seeking reliable and stylish wood heating solutions.