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
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  |
Carton Comp. 578

#NI

All parts diagram

Carton comp.

Part #578

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

Comb Lower 329
#15

Printer unit (4) diagram

Comb lower

Part #329

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

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

Roll Pin 268-2
#6

Printer unit (4) diagram

Roll pin

Part #268-2

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

Frame 317
#30

Keyboard assembly diagram

Frame

Part #317

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

Bail 337
#4

Printer unit (2) diagram

Bail

Part #337

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

Gear Cam 341
#18

Printer unit (4) diagram

Gear cam

Part #341

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

Gear 338
#3A

Printer unit (4) diagram

Gear

Part #338

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

Cam 573
#17

Printer unit (4) diagram

Cam

Part #573

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

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 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