Coleman Evcon
Furnace

Model # 4066-656/B Official Coleman Evcon furnace

Here are the diagrams and repair parts for Official Coleman Evcon 4066-656-B furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 60 parts  |

Orifice 9951-1011
#6C

Functional replacement parts diagram

Orifice

Part #9951-1011

The manufacturer no longer makes this part, and there's no substitute part

Shield 4084A1601
#5

Non-functional replacement parts diagram

Shield

Part #4084A1601

The manufacturer no longer makes this part, and there's no substitute part

Furnace Hot-surface Ignition Control Board 1474-0041
#9

Functional replacement parts diagram

Furnace hot-surface ignition control board

Part #1474-0041

The manufacturer no longer makes this part, and there's no substitute part

Furnace System Switch 7970-3331
#16

Non-functional replacement parts diagram

Furnace system switch

Part #7970-3331

The manufacturer no longer makes this part, and there's no substitute part

Orifice 9951-1521
#6

Functional replacement parts diagram

Orifice

Part #9951-1521

The manufacturer no longer makes this part, and there's no substitute part

Furnace Inducer Vent Motor Assembly 7995-3169
#14

Functional replacement parts diagram

Furnace inducer vent motor assembly

Part #7995-3169

The manufacturer no longer makes this part, and there's no substitute part

Furnace Temperature Limit Switch 7624A3591
#8

Non-functional replacement parts diagram

Furnace temperature limit switch

Part #7624A3591

The manufacturer no longer makes this part, and there's no substitute part

Impeller 8865-3611
#18

Functional replacement parts diagram

Impeller

Part #8865-3611

The manufacturer no longer makes this part, and there's no substitute part

Casing Top 4084A5051
#6

Non-functional replacement parts diagram

Casing top

Part #4084A5051

The manufacturer no longer makes this part, and there's no substitute part

Gasket Package 7945-3011
#3

Non-functional replacement parts diagram

Gasket package

Part #7945-3011

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…