Amana
Furnace

Model # OH-112-4 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OH-112-4 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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Blower Housing, 2009014 M0875103
#37B

(osc-96d) (osc-96) (osc-96-3) diagram

Blower housing, 2009014

Part #M0875103

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

Front Barrier Panel Assembly B9216901
#12A

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Front barrier panel assembly

Part #B9216901

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

Clean Out Cover Plate C9425201
#15B

(ol-84) (ol-96) (ol-96-3) (ol-112) (ol-112-4) (ol-140) (ol-140-4) diagram

Clean out cover plate

Part #C9425201

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

Shaft, 3/4 X 16 7/8, 5612010 M0875205
#40B

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Shaft, 3/4 x 16 7/8, 5612010

Part #M0875205

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

Fuel Pump Unit - Single Stage D9613826
Fuel pump unit - single stage

Part #D9613826

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

Gusset Baffle, Left Front And Rear B9217302
#3F

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Gusset baffle, left front and rear

Part #B9217302

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

Pan Base C9420901
#24B

(ol-84) (ol-96) (ol-96-3) (ol-112) (ol-112-4) (ol-140) (ol-140-4) diagram

Pan base

Part #C9420901

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

Left Side Panel Assembly C9414008
#30D

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Left side panel assembly

Part #C9414008

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

Belt, 25" C5252401
Belt, 25"

Part #C5252401

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

Right Side Panel Assembly C9414002
#4B

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Right side panel assembly

Part #C9414002

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

Symptoms for gas snowblowers

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Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: punctured tire, damaged rim…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: dirty carburetor, stale fuel…

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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 15 minutes or less
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How to rebuild a snowblower carburetor

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Repair difficulty
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