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Amana
Furnace

Model # OSCH-140 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSCH-140 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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Showing 10 of 121 parts  |
Filter Rack Back Assembly B9236401
#2C

Replacement parts diagram

Filter rack back assembly

Part #B9236401

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

Flue Collar Gasket B9210702
#10B

Replacement parts diagram

Flue collar gasket

Part #B9210702

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

Disposable Filter, 20 X 20 X 1 C9401805
#3A

Replacement parts diagram

Disposable filter, 20 x 20 x 1

Part #C9401805

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

Blower Barrier Assembly C9427501
#23B

Replacement parts diagram

Blower barrier assembly

Part #C9427501

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

Rear Blower Compartment Panel C9429102
#34B

Replacement parts diagram

Rear blower compartment panel

Part #C9429102

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

Corner Post Assembly B9237603
#5C

Replacement parts diagram

Corner post assembly

Part #B9237603

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

Rear Panel Assembly B9233303
#32C

Replacement parts diagram

Rear panel assembly

Part #B9233303

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

Blower Wheel, 9 X 8, 3009108 M0875102
#36B

Replacement parts diagram

Blower wheel, 9 x 8, 3009108

Part #M0875102

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

Filter Rack Side Assembly C9428401
#1C

Replacement parts diagram

Filter rack side assembly

Part #C9428401

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

Heat Exchanger And Combustion Chamber Assembly D9607801
#24A

Replacement parts diagram

Heat exchanger and combustion chamber assembly

Part #D9607801

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

Symptoms for table saws

Choose a symptom to see related table saw repairs.

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Why doesn't my table saw start?

Main causes: lack of power, broken on/off switch, bad motor overload, broken power cord, bad drive motor...

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Why does my table saw make bad cuts?

Main causes: dirty saw blade, dull or damaged saw blade, blade alignment needs adjustment...

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Why can't I adjust the blade height on my table saw?

Main causes: saw dust build up, blade elevating and tilting mechanisms need lubrication...

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Why does my table saw's blade spin too slow?

Main causes: worn motor brushes, faulty drive motor, using an improper extension cord...

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Why does my table saw make bad angle cuts?

Main causes: blade alignment needs adjustment, worn blade, bevel positive stops need adjustments, bevel pointer needs ad...

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Why does my table saw's overload trip?

Main causes: worn motor brushes, bad drive motor, faulty overload switch, using an improper extension cord, binding saw ...

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Repair guides for table saws

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

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How to replace a table saw drive motor

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45 minutes or less
How to adjust a table saw blade

How to adjust a table saw blade

If the table saw isn’t cutting parallel to the miter gauge groove, adjust the cutting blade following the instructions i...

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30 minutes or less
How to replace a table saw motor brush set

How to replace a table saw motor brush set

Worn motor brushes can make the table saw motor run weak. Here’s how to replace them. ...

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Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your furnaces

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