Subscribe to Our Youtube Channel
Related Manuals for Keystoker Koker
Summary of Contents for Keystoker Koker
- Page 1 Installation, Operation and Maintenance Manual Koker, Koker Lite & Econo 90 Stoker Coal Stoves Koker Stove Shown © June 2019 REV 4...
- Page 2 As prices of energy continued to escalate, Keystoker continued its research. Over 60 years of research has developed a patented feed-in system, a patented flat grate, and a patented thermal heat exchange, which has produced the highest efficiency possible.
-
Page 3: Table Of Contents
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Table of Contents Safety Precautions & Definitions General Safety Statements Installation Stove Placement Assembly Fuel Type Operation Start-up Check Draft Diagram 1 - Continuous Heating Diagram 2 –... -
Page 4: Safety
Keystoker shall not be liable for physical injury, damage to property or death caused by a failure to observe the instructions in this manual. -
Page 5: Installation
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Installation Stove Placement 1. Select a position on a solid level surface with direct access to a chimney. On non-masonry floors, use an approved fire resistant & ember resistant floor protector under stove. -
Page 6: Assembly
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Assembly 1. Plumb hopper end of stove with level. Hopper end of stove must be vertical. 2. On bottom vent models, mount timer on side or rear of coal hopper. -
Page 7: Operation
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Operation Startup 1. To start a fire, fill hopper with coal, reach in through fire door and pull coal down to cover entire grate area. Place kindling (charcoal supplied) into a full sheet of newspaper, crumble paper, and dig kindling deep into coal in the center of grate. -
Page 8: Diagram 1 - Continuous Heating
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagram 1 – Continuous Heating Depicts what fire should look like when thermostat calls for heat for extended period: A. Unburned fresh coal supply from coal hopper B. -
Page 9: Diagram 2 - Intermittent Heating
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagram 2 – Intermittent Heating Depicts what fire size should look like when thermostat has not called for heat for extended periods: A. Unburned fresh coal supply from hopper. -
Page 10: Component Descriptions & Operation
Drive Screw ½” x ¾” Long Screw, #10-24UNC x ½” Long Stoker Motor Subassembly Stoker Grate # 1 Components shown will vary in size and quantity for the Koker Lite and Econo 90 Stoves - 10 - © June 2019 REV 4... - Page 11 Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 PUSHER BAR SUBASSEMBLY: Moves in a reciprocating motion. Activated by cam on gear motor to force coal from hopper onto grate and pushes ashes off grate into ash pan.
- Page 12 Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 nylon screws are properly aligned, the pusher bar will slide in and out freely and have only a slight sideward movement. NYLON CAM: located on gear motor. To give reciprocating motion to pusher bar shown below.
-
Page 13: Timer
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 TIMER: Unless your stove had been a special order, it will be equipped with our patented flat grate stoker unit and a timer. The purpose of a timer is to maintain a minimum fire when the thermostat is not calling for heat. -
Page 14: Thermostat
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 THERMOSTAT: Top pointer is to be set at warmth FIGURE 8 desired in home. Bottom pointer is the present temperature in room. When room temperature... -
Page 15: Maintenance
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Maintenance Cleaning & Lubrication of Stove Stove pipe and exhaust tubes must be cleaned once during the heating season. On top exhaust stoves, brush exhaust tubes out with a flexible brush. Keep base and interior openings below interior exhaust tubes clear of ash. -
Page 16: Ash Pan Emptying
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Soft cloths should be used for all cleaning steps. The cloths should be free of any abrasive agents from any previous use. Dried on cleaning solutions may react with glass surface causing discoloration or a permanent film. -
Page 17: Gear Motor Removal & Installation
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 It is ESSENTIAL…that every 4” pipe joint or connection be sealed with a high temperature silicone or equivalent. All adjustable joints on elbow must also be sealed with silicone. - Page 18 Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 FIGURE 11 Bottom of Stoker Unit Gear Motor Support Brackets Screw Cage Screw #10-24 x ½” Long - 18 - © June 2019 REV 4...
-
Page 19: Troubleshooting Guide
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Troubleshooting Guide Problem FIRE GOES OUT See page 13 (Timer) and Page 9 Diagram 2 COAL KLINKERING OR FUSING See pages 8 & 9 Diagram 1 & 2 TOGETHER See page 15 (Cleaning &... - Page 20 Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Troubleshooting Guide – cont’d Problem Fan blades on combustion motor dirty. Brush off. Accumulated fly ash under grate. Remove combustion motor and clean under grate.
-
Page 21: Diagrams
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams Wiring – Thermostat: Honeywell Relay & Airotronics Timer - 21 - © June 2019 REV 4... -
Page 22: Wiring - Direct Vent, Honeywell Relay & Airotronics Timer
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Wiring – Thermostat, Direct Vent: Honeywell Relay & Airotronics Timer - 22 - © June 2019 REV 4... -
Page 23: Wiring - Taco Relay & Airotronics Timer
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Wiring – Thermostat: Taco Relay & Airotronics Timer - 23 - © June 2019 REV 4... -
Page 24: Wiring - Direct Vent, Taco Relay & Airotronics Timer
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Wiring – Thermostat, Direct Vent: Taco Relay & Airotronics Timer - 24 - © June 2019 REV 4... -
Page 25: Stove Parts List
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Stove Parts List – Koker, Top Vent Shown Item # Component Stove Pipe, 6” Ash Door Subassembly Fire Door Subassembly Limit Control... -
Page 26: Fire Door & Ash Door Parts Lists
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Fire Door Parts List – Koker, Top Vent Shown Item # Component Fire Door Gasket Hinge Pin Hex Nut Lever Handle Glass Gasket... -
Page 27: Ductwork Configurations - Recommended
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Ductwork – Recommended Configurations - 27 - © June 2019 REV 4... - Page 28 Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Ductwork – Recommended Configurations cont’d - 28 - © June 2019 REV 4...
-
Page 29: Ductwork Configurations - Not Recommended
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Diagrams – cont’d Ductwork – Not Recommended Configurations - 29 - © June 2019 REV 4... -
Page 30: Warranty
Stove Model: _______________________________________________________________________ Parts Ordering If not listed above, locate the metal 1 ½” x 3” Keystoker label fastened to stoker unit body, near gear motor. The four or five-digit number will be required to get proper replacement parts from your dealer. -
Page 31: Stove Contents Checklist
Koker, Koker Lite & Econo 90 Stoker Coal Stoves Keystoker – Schuylkill Haven, PA 17972 Stove Contents Checklist Manual Carbon Monoxide Detector Charcoal Draft Regulator Spring Handle Ash Tub (2 pcs) Clamp and Screw Packed By: __________________________________________________________ - 31 -...
Need help?
Do you have a question about the Koker and is the answer not in the manual?
Questions and answers
my joker 90 is not keeping up temperature
Your Keystoker Koker may not be maintaining temperature due to several possible reasons:
1. Thermostat Setting – Ensure the top pointer is set to the desired temperature and the bottom pointer reflects room temperature. If room temperature falls below the set point, the relay should activate the gear motor to push fresh coal onto the grate.
2. Feeder Motor Issue – If the N.O. (normally open) circuit is not powered, the feeder motor may not be receiving power. Check if the N.C. (normally closed) circuit is powered and whether the green light indicator is on.
3. Fan Limit Switch Settings – The center pointer should be set around 160°F to turn the convection blower on, and the low pointer at around 120°F to turn it off. If these settings are incorrect, the blower may not be functioning properly.
4. High Limit Safety Triggered – If the stove reaches 200°F, the high-limit pointer will stop the gear motor from pushing coal onto the grate. Ensure the stove is not overheating and triggering this safety feature.
5. Coal Supply – Check the coal hopper to ensure it has enough fuel and that coal is being properly fed onto the grate.
6. Mechanical Issues – Inspect the stoker mechanism, pusher bar, and cam adjustment to ensure coal is being fed correctly.
If the issue persists, further troubleshooting of electrical connections and mechanical components may be necessary.
This answer is automatically generated