Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
IBM
Office

Model # 8503 Official IBM personal system 12

Here are the diagrams and repair parts for Official IBM 8503 personal system 12, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 176 parts  |
(11-9) Printer Cable 8529214
#3A

Internal options and adapters diagram

(11-9) printer cable

Part #8529214

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

Cofer Set Complete 220/240 Volt, Northern Hemisphere (exchange Basis Only) 68X3043

#NI

All parts diagram

Cofer set complete 220/240 volt, northern hemisphere (exchange basis only)

Part #68X3043

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

Crt/yoke Assembly (220/240 Volt, Southern Hemisphere) 68X3064

#NI

All parts diagram

Crt/yoke assembly (220/240 volt, southern hemisphere)

Part #68X3064

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

Speech Adapter 61X8921

#NI

All parts diagram

Speech adapter

Part #61X8921

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

Cover Set Complete (exchange Basis Only) 75X8927

#NI

All parts diagram

Cover set complete (exchange basis only)

Part #75X8927

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

Belgian 1392023

#NI

All parts diagram

Belgian

Part #1392023

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

Cover Set Complete 220/240 Volt, Southern Hemisphere (exchange Basis Only) 72X7869

#NI

All parts diagram

Cover set complete 220/240 volt, southern hemisphere (exchange basis only)

Part #72X7869

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

Main Circuit Board, Metal Chassis, Heat Sink, And Resist 72X7874

#NI

All parts diagram

Main circuit board, metal chassis, heat sink, and resist

Part #72X7874

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

Contrast Brightness Control Assembly 68X3067

#NI

All parts diagram

Contrast brightness control assembly

Part #68X3067

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

German 1392001

#NI

All parts diagram

German

Part #1392001

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

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

View all

What should I do about a damaged snowblower tire?

Main causes: punctured tire, damaged rim…

Read more

Why won't my snowblower start?

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

Read more

Why doesn't my snowblower self propel?

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

Read more

Why won't my snowblower clear snow well?

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

Read more

Why does my snowblower engine run rough?

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

Read more

Why won't my snowblower chute turn?

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Read more

Why doesn't my snowblower auger turn?

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Read more

Why does my snowblower stop running after a few seconds?

Main causes: dirty carburetor, stale fuel…

Read more

Why won't my snowblower throw snow far enough?

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

Read more

Repair guides for gas snowblowers

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

View all
How to replace snowblower skid shoes

How to replace snowblower skid shoes

To prevent damage to your snowblower auger, replace the skid shoes when both sides of the shoe are worn. It's an easy re…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower auger drive cable

How to replace a snowblower auger drive cable

A loose or snapped auger drive cable can prevent the auger from rotating. Follow this step-by-step guide to replace the …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower electric starter

How to replace a snowblower electric starter

Replace the electric starter on your snowblower if it doesn't work.…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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.…

Read more
What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…

Read more

Parts & More