Sears
Office

Model # 87158250 Official Sears adding machine

Here are the diagrams and repair parts for Official Sears 87158250 adding machine, 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 188 parts  |

Pan-left 299
#11

Cover assembly diagram

Pan-left

Part #299

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

Comb  Upper 328
#14

Printer unit (4) diagram

Comb upper

Part #328

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

Block Assembly 111
#4

Printer unit (4) diagram

Block assembly

Part #111

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

Cam 364
#16

Printer unit (3) diagram

Cam

Part #364

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

Space Knob 121
#8

Printer unit (4) diagram

Space knob

Part #121

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

Drive Belt 173
#10

Motor & switch assembly diagram

Drive belt

Part #173

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

Cord 289
Cord

Part #289

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

Shaft 155
#13

Pin carriage and frame unit diagram

Shaft

Part #155

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

Handle Assembly 216-1
#33

Keyboard assembly diagram

Handle assembly

Part #216-1

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

Roller Assembly 666
#34

Printer unit (4) diagram

Roller assembly

Part #666

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

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

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.…

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.…

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.…