| Show A how to burn coal in the house furnace A steady fire should be kept in the furnace when an even room temperature is desired to keep a steady fire the furnace should be fired regularly in firing the bed of 0 live coal should never be covered entirely with fresh fuel the fresh charge should be placed in front so that a small area of red coal is left uncovered at the back of the firepot the gas from the i fresh charge in passing over the red coal at the back will be burned it if enough air is admitted to tho furnace in order to admit the air required right after iring firing f the fire door damper or air blast door should be opened for a short time this damper should not be left open longer than necessary to burn the gas or the furnace will be cooled off and heat beat wasted the fire should bo be checked by closing the ash pit damper to cut off tho the air through the fire and by opening the check damper in the pipe it necessary not by opening the fire door or fire door damper the fire should be checked before the house is quite warm enough to prevent overheating and the necessity of opening windows to cool off the house A great deal of fuel is wasted through overheating which is entirely unnecessary it if care is used if the water pan of the furnace is kept filled to supply moisture to the air a temperature of 68 decrees de rees is high enough for comfort the thickness of the fire must bo be varied according to the weather it is a good plan to keep the top of the fire as nearly level with the bottom of the firing door as possible at all times except in very mild weather in mild weather ashes should be allowed to accumulate on top of not under the grates in cold weather the fire should be well shaken and only a thin layer olf 0 ashes left on the grates and if necessary the fuel may be heaped above the level of the bottom of the firing firina dror door in other words the thickness of the fire is to be varied chiefly by raising and lowering of the bottom and not by raising and lowering of the top of the fuel bed |
