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
Smith Corona
Office

Model # SD645 (5AHA) Official Smith Corona typewriter

Here are the diagrams and repair parts for Official Smith Corona SD645-5AHA typewriter, 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 226 parts  |
Cvr Up Rbbn 59055

#NI

All parts diagram

Cvr up rbbn

Part #59055

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

Relay Spring 751437
#18

Paper feed diagram

Relay spring

Part #751437

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

Tubing 781725
#2

Ribbon drive diagram

Tubing

Part #781725

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

Washer 778347
#8

Keyboard diagram

Washer

Part #778347

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

Keybutton,t 778599
#20

Keybutton reference chart diagram

Keybutton,t

Part #778599

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

Spcbr/hlfspc 778654
#54

Keybutton reference chart diagram

Spcbr/hlfspc

Part #778654

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

Spring 768661
#9

Carrier drive diagram

Spring

Part #768661

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

Key Button 778685
#29

Keybutton reference chart diagram

Key button

Part #778685

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

Keybutton,g 778432
#33

Keybutton reference chart diagram

Keybutton,g

Part #778432

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

Spring 770686
#17

Ribbon cassette and correction cassette mechanism diagram

Spring

Part #770686

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

Symptoms for electric ranges

Why doesn't my electric range's surface element heat properly?

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Read more

Should I replace a damaged glass cooktop?

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Read more

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

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