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SoLUtIoN

If you have to use wet wood, make loads smaller and burn them 

hotter.

Avoid using if possible.

Measure draft with gauge. Should be set at .03 water column.

Smaller and hotter fires.

Check  page  12  of  this  manual  for  proper  installation  of  outside 

combustion air to the furnace room. The air that goes out the chim-

ney in the form of smoke must be replaced with fresh outside air.

Smaller loads of wood and hotter fires. Stack temps should main-

tain minimum of 300º.

Never use uninsulated pipes for chimneys. If installed on the out-

side of the house, INSULATE!

Check chimney top to bottom.

SoLUtIoN

Replace with a larger unit. In colder weather your furnace will turn 

on once a day, one tank of fuel oil  will last for a long time.

Reinsulate!

Check  installation  drawings  and/or  consult  your  heating  service 

provider.

Check  settings;  refer  to  operation  on  proper  settings  and  adjust 

accordingly. If needed to set higher, never exceed 180º on — 150º 

off.

SoLUtIoN

Measure draft with gauge. Should be set at .03 Water Column.

Relocate. CAUTION: Always open smoke pipe damper when load-

ing.

Relocate Jack closer to chimney.

Install outside combustion air to furnace room.

Excessive creosote build-up. A small reminder, whatever kind 
of fuel you burn, there is some kind of residue build-up on the 
furnace and chimney. Same with wood no matter how good 
the conditions...

PoSSIBLE CAUSE

The use of wet, frozen or unseasoned wood

The use of soft wood, particularily those of high resin content 

such as plywood or blandex with glue

Poor natural draft or an obstruction in the stove pipe or chim-

ney flue

Too long of burning times

Inadequate  amount  of  oxygen  supplied  to  the  combustion 

chamber

Low fire or flue gas temperatures

Uninsulated  stove  pipe  or  chimney  flues,  especially  if  con-

struction is exterior to the house

Air leaks in the stove pipe or chimney

Not getting heat in the home...

PoSSIBLE CAUSE

Unit  may  be  too  small  for  your  home;  check  specifications 

chart

Improper insulation in home, allowing heat to escape

Improper hook up to furnace

Fan limit control set too low

Excessive  amounts  of  smoke  coming  out  of  loading  door 

when loading...

PoSSIBLE CAUSE

Improper draft

Chimney cap too close to top of chimney

Too long of run of smoke pipe from Jack to chimney

Negative pressure in home

NotE: Creosote is a tarry liquid or solid coming from distillation of wood during the combustion process. The heavier the build-ups, the 

greater chance of a chimney fire.

NotE: No matter how seasoned the wood, no matter how good the draft, you will always get a small amount of soot build-up. It should 
be cleaned out before the winter firing and during the mid-winter firing.

Summary of Contents for SUPER JACK SJ125

Page 1: ...d Palisade MN 56469 www yukon eagle com OWNER S MANUAL Assembly Installation Operation Repair Parts Model No s BJ90 SJ125 CAUTION Read Rules And Instructions Carefully For Safe Operation IMPORTANT Ins...

Page 2: ......

Page 3: ...imit Control 8 Electrical Wiring 4 Wiring the Furnace Diagram 13 Mounting Thermostat 9 Connecting Smoke Pipe and Barometric Damper Control 9 10 Clearances to Combustibles 8 9 Ductwork Connection 9 Pro...

Page 4: ......

Page 5: ...d during operation Do not operate with flue draft exceeding 03 W C Do not store flammable materials within marked installa tion clearances Frequently inspect and clean heat exchanger smoke pipe and ch...

Page 6: ...al container with a tight fitting lid Allow ashes to cool before disposing of them Be sure there is a sufficient supply of outside combus tion air to the area where the furnace is located Keep smoke p...

Page 7: ......

Page 8: ...sonry chimney units or reinforced Portland cement concrete that is lined with suitable chimney flue liners and built in accordance with the provisions of Chapter 4 of this standard 6 Follow a regular...

Page 9: ...mney liner WARNING Check your chimney The chimney is a very important part of your heating system It must be the right size properly constructed and in good condition No furnace can function properly...

Page 10: ...the collar and thus make a better joint WHEN FINISHED THE OPENING INTO THE FLUE MUST BE EQUAL IN SIZE TO THE COLLAR OF THE DRAFT CONTROL If flue pipe is made of material too heavy to bend out into the...

Page 11: ...free open area so you need two metal grilles with 300 square inches each of louvered area The height should be about half the width FRESH AIR DUCT CAPACITIES Fresh air duct capacities for duct supply...

Page 12: ...the chim ney Outside air is also needed to replace any air expelled by kitchen or bathroom fans as well as water heater chimneys or fans Failure to provide outside air to the area in which the furnace...

Page 13: ...13...

Page 14: ...ith new steel there is a small amount of oil or dirt on the metal you may smell an odor This is normal during the first operation Caution Use caution when opening loading door Avoid opening loading do...

Page 15: ...r On a regular schedule check for creosote and soot build up in the chimney smoke pipe and heat exchanger They must be kept clean Steel brushes are the safest for cleaning metal surfaces Salt solution...

Page 16: ...trol open Smell an odor from the first fire in the home POSSIBLE CAUSE New steel small amounts of residue on steel SOLUTION Tighten the allen screw be sure squirrel cage did not move to one side or th...

Page 17: ...l you burn there is some kind of residue build up on the furnace and chimney Same with wood no matter how good the conditions POSSIBLE CAUSE The use of wet frozen or unseasoned wood The use of soft wo...

Page 18: ...himney must terminate at least 2 feet above the peak of the roof Adding more chimney height sometimes cures the problem See Fig 12 page 9 5 Home located on side of hill When the wind blows over a hill...

Page 19: ...19...

Page 20: ...20 BIG JACK BJ90 PARTS LIST...

Page 21: ...21...

Page 22: ...22 SUPER JACK SJ125 PARTS LIST...

Page 23: ......

Page 24: ...ation must be made in accordance with state and local ordinances which may differ from this installation manual how to order repair parts When ordering repair parts Always give the following informati...

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