Harman Stove Company MARK III manual Venting & Grates, Grate System and Controls

Venting & Grates

E) Improperly sized flue - Too small of a chimney is		4. Grates
incapable of moving the volume of air necessary. Too
large of a flue could have trouble warming up to cre-		4.1 GRATE SYSTEM AND CONTROLS.
		The Grates are made of heavy-duty cast iron. The
ate the necessary upward flow.
		function of the grate system is to support the coal
F) Chimney offsets - Offset chimneys should be
		while allowing air flow through the fire. The grate sys-
avoided if possible. Not only can the offset affect draft,
		tem also allows removal of the ashes by shaking them
it is also a place for debris to collect over time.
		through the grates.
G) Too many elbows - The flue connector has more
		The grates are removable without the use of tools,
than two elbows in it. Sometimes, depending on
		once the fire bricks are removed, the grates simply
overall chimney performance, one elbow could be too
		lift out. Lift the right end higher to disengage from the
many.
		shaking link. To re-install the grates, lower them, one
H) Vent sharing - No more than one heating appliance
		at a time, left end first, be sure the grate hooks into
shall vent into a single flue.
		the grate link as you drop it into place.
THE MOST IMPORTANT THING TO REMEMBER		Stove body
ABOUT CHIMNEYS IS THEIR NEED FOR MAIN-
TENANCE AND CLEANING. IF A CHIMNEY IS NOT
CLEANED ON A FREQUENT BASIS, IT WILL AF-
FECT DRAFT, AS WELL AS BE A CONTRIBUTING				Grates
FACTOR TO A POTENTIAL CHIMNEY FIRE.
3.3 what to do if you have a problem.			Grate Link
If you have a chimney fire:	Shaker Handle
1. Be sure everyone is out of the house.
2. Call the fire department.
3. Close the draft control on the ash door and		Shaker Bar
make sure both doors on the stove are closed
and latched.		Your grates will last forever, as long as you keep your
4. Do not put water on the fire, this will cause un-		ashes cleaned out of the stove. When ashes are left
necessary damage to the stove and flue.		pile-up against the grates, the air-flow is blocked. With
5. Have the chimney inspected and repaired prior		no air flow through the grates, they will begin to sag
to building another fire.		from the intense heat.
Smoke puffs out of stove;		The grates are designed to accommodate three differ-
		ent sizes of anthracite coal. Pea is defined as being
A) Check previous suggestions for insufficient draft.		able to fit through a round screen hole of 9/16” to 7/8”.

B) Check draft control for proper operation.	Nut or Chestnut is defined as being able to fit through
C) Chimney may be too low. Increase height.
	a round screen hole of 7/8” to 1½”. Finally , Stove coal
D) Add more fresh air to the room. Your home may be
	which is 1½” to 2½” in size. Pea or Nut you’ll find work
so tight that there is not enough oxygen getting to the
	the best for starting a fire, while all three sizes burn
fire.
	just as well.
E) Remember, open the draft control and crack the
	The external shaker handle allows for greater safety
door open slightly before reloading or checking the
	from burns, and the convenience of needing no extra
fire.
	tools.
F) Check the ashes. The ash pan and firebox may be
overloaded with ashes.
G) Check the chimney cleanout door to ensure it
closes properly.

8 Magnafire Series Coal Stoves