Jack BIG BJ90, Owner'S Manual

Page: 39 / 56

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OPERATING INSTRUCTIONS FOR BURNING COAL
ON 1/2-INCH OPENING GRATES
(Optional)
The following instructions are for burning various types
of coal, storage of coal, and the cleaning of the furnace.
Some coal is oil-treated at the mine. Some users have
indicated that it tends to make the coal difficult to start.
Burning coal requires some patience and a regular
procedure. With improper tending, a coal fire can go out
in a short time. Once the fire starts to go out, it is almost
impossible to reverse.
After a coal fire goes out, the coal must be removed
from furnace. Then the starting process can be
repeated.
Our coal burning instructions are general, as coal
comes in various sizes and types. Anthracite coal is
most recommended as it burns with little smoke when
burning properly.
CAUTION:
Burn Anthracite or Bituminous coals only. DO
NOT BURN Petroleum, Coke, or Cannel Coals.
IGNITION TEMPERATURE OF COAL AND WOOD
How hot does coal have to get to ignite? Following are
examples of the ignition points of various
materials:
• Paper ignites @: 350°F
• Wood ignites @: 435°F
• Western lignite ignites @: 630°F
• Low volatile bituminous ignites @: 765°F
• High volatile bituminous ignites @: 870°F
• Anthracite coal ignites @: 925°F
STORAGE OF COAL
Coal may be stored indoors or outdoors, with some
precautions:
1. The storage area must be free of materials that are
easily burned. Examples are paper, wood, rags, and
leaves.
2. Wetting and drying of coal should be avoided.
Outside storage's should be protected from rain or
snow. Wet coal should not be piled on dry coal.
3. Locate the storage area in a place that is 75º F or
lower.
4. Nut coal weighs approximately 58 lbs. per cu. ft. A
storage bin 4-feet square by 4-feet high will hold 2 tons.
Operating Instructions
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