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SERVICE HINtS

Main blower vibrating when in use...

PoSSIBLE CAUSE

Loose allen screw on squirrel cage

Bad motor bearings

Weight on squirrel cage wheel moved in shipment

Main blower or blowers continue to run...

PoSSIBLE CAUSE

Fan limit control on unit is set too low

Bad fan limit control

Improper wiring

Main blower or blowers won’t turn on...

PoSSIBLE CAUSE

Improper wiring

Bad fan limit control

Combustion blower staying on...

PoSSIBLE CAUSE

Wall thermostat bad, check by turning temp. to 60º then check 

if draft blower is running

Short in thermostat wire

Home is not getting heat needed to satisfy wall thermostat 

Combustion blower not turning on...

PoSSIBLE CAUSE

Switch  on  blower  to  the  off  position.  Bad  wall  thermostat; 

check by turning it up to 80º and if the draft blower does not 

turn on, replace thermostat

Limit control 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 the other.

Return blower for a replacement.

Try to adjust it or return blower for replacement.

SoLUtIoN

Remove cover on fan limit control and set dials to the proper set-

tings.  Recommended  temps:  160º  on  —  130º  off.  NOTE:  Never 

adjust fan limit by turning dial itself (picture of fan limit dials.)

Check by turning one pointer down to where blower should turn 

off, if they don’t, they need to be replaced.

Go over wiring diagram again.

SoLUtIoN

Go over wiring diagram again.

Replace fan limit control with a new one.

SoLUtIoN

Replace wall thermostat.

Check all wiring again.

Check on spec’s chart to be sure your unit is large enough for your 

home. Be sure installation is proper, check with your local heating 

service provider.

SoLUtIoN

Replace thermostat.

Check, then repair or replace.

SoLUtIoN

This will disappear in a matter of hours.

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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