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Kuma Stoves OIL CLASSIC OC-7 User Manual

Fuel-oil stove
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OIL CLASSIC
This manual contains information necessary for the safe installation and operation of
your Kuma Oil Classic either in residential or mobile homes. While most anyone can install
their oil stove, it is recommended that the installation be done by a qualified installer familiar
with fuel oil stoves, preferably an NFI Certified (National Fireplace Institute) expert. We rec-
ommend contacting local building or fire officials in your area regarding restrictions and instal-
lation inspection requirements. Please read this entire manual before attempting installation or
operation of this appliance. Improper installation or operation of this oil stove can result in
bodily or property damage.
*SAVE THESE INSTRUCTIONS*
Kuma Stoves
Rathdrum, ID. USA
MODEL:
(OC-7, OC-8, OC-10)
Fuel-oil stove
Report # 123-S-01-2
Tested and listed by Omni Test Laboratories
User Manual for:
-Installation
-Operation
-Servicing
Rev. 2/13

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Summary of Contents for Kuma Stoves OIL CLASSIC OC-7

  • Page 1 Kuma Stoves Rathdrum, ID. USA MODEL: OIL CLASSIC (OC-7, OC-8, OC-10) Fuel-oil stove Report # 123-S-01-2 Tested and listed by Omni Test Laboratories User Manual for: -Installation -Operation -Servicing This manual contains information necessary for the safe installation and operation of your Kuma Oil Classic either in residential or mobile homes.

  • Page 2: Table Of Contents

    CONTENTS Section 1– Stove placement, air requirements, and clearances….. pg. 1-2 2– The flue and flue connections………………………… pg. 2-3 3– Fuel tank installation and fuel line connections………. pg. 3-4 4– Lighting, adjustments to carburetor, and draft stabilizer adjustments………………………………. pg. 4-7 5–...

  • Page 3: 2- The Flue And Flue Connections

    The air duct does not need to connect directly to the stove as the duct may terminate at the hearth top level. If air is accessed through the wall, remove the air cover at the stove pedestal back, and install a 4” or larger duct connecting the stove pedestal and the wall. A storm or dry- er type vent with a screen is adequate.

  • Page 4: 3- Fuel Tank Installation And Fuel Line Connections

    This will depend on the flue’s ability to provide a consistent negative pressure. There is no sub- stitute for a warm, efficient chimney/pipe system. If the flue gases cool too quickly, draft will slow and combustion will not be as efficient. Do not skimp on the flue system. A good rule of thumb on chimney height is a minimum of 12’...

  • Page 5: 4- Lighting, Adjustments To Carburetor, And Draft Stabilizer Adjustments

    To provide correct pressure of the fuel supply to your stove, the tank outlet should be between 16” and 72” above the carburetor on the stove. Do not exceed 72” above the carbure- tor as excessive head pressure could limit the carburetor’s ability to shut off fuel flow. Be sure the support system under the tank is safe and adequate as a full 300 gallon tank will weigh about 2000 lb.
  • Page 6 is possible, the most efficient method of tuning the stove is at the start and with the proper equipment. The customer who will be operating the stove is an important partner in this pro- cess, so a full understanding of how the stove operates and is maintained is invaluable. Shortly after the stove is lit an air pressure reading should be taken.
  • Page 7 High-fire: The flame should be bright yellow with a 2/3 fire-box height to where the flame will begin to break up and terminate just a few inches under the firebrick baffle. The base of the flame at the burner ring should still be blue, and the catalyst will be a dull red. If the flame is too high and allowed to impinge on the firebrick baffle too much, the result will be a cooling of the flame tip, and incomplete combustion, thereby producing smoke and soot.

  • Page 8: 5- Servicing

    0.090> Roaring or Growling flame 0.050> Ideal Range 0.035> 0.95 0.020> Weak, sooty flame ____________________________________________________ Position of the carburetor knob draft in mm water gauge draft in inches water gauge SECTION 5 Servicing ANNUALLY: *Remove catalyst and fire ring and inspect and clean out burn pot of any build-up or debris.

  • Page 9: 6- Trouble-Shooting Guide

    WEEKLY: *The de-coking rod must be operated at least once per week to eliminate carbon deposits that build up where oil enters the burner bottom: 1. Remove front burner access cover. 2. Slightly back brass packing nut off (counterclockwise) to release de-coking rod.
  • Page 10 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).

  • Page 11: 7- Warranty

    Kuma Stoves reserves the right under this warranty to repair, replace, or authorize repair of the defective stove or part at its dis- cretion.

This manual is also suitable for:

Oil classic oc-8Oil classic oc-10