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Amana
Furnace

Model # OSCH-112 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSCH-112 oil 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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ALL PARTS
Showing 10 of 121 parts  |
Blower Block-off B9230701
#49E

Replacement parts diagram

Blower block-off

Part #B9230701

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

Filter Rack Front Assembly B9237201
#4C

Replacement parts diagram

Filter rack front assembly

Part #B9237201

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

Top Panel Assembly B9230901
#31A

Replacement parts diagram

Top panel assembly

Part #B9230901

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

Front Right Gusset B9240302
#22D

Replacement parts diagram

Front right gusset

Part #B9240302

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

Fan Relay, S.p.s.t., Mhr856b1002b B9210001
#52C

Replacement parts diagram

Fan relay, s.p.s.t., mhr856b1002b

Part #B9210001

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

Filter Rack Spacer B9234101

#NI

All parts diagram

Filter rack spacer

Part #B9234101

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

Blower Cut Off, 5710000 M0876204
#35B

Replacement parts diagram

Blower cut off, 5710000

Part #M0876204

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

Front Panel Assembly B9233701
#9A

Replacement parts diagram

Front panel assembly

Part #B9233701

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

Front Corner B9236901
#4B

Replacement parts diagram

Front corner

Part #B9236901

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

Blower Block-off B9230601
#49D

Replacement parts diagram

Blower block-off

Part #B9230601

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
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 treadmill.

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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.…

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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.…

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Top questions about Sears and Sears PartsDirect

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