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Model # 8712820 Official Sears portable typewriter

Here are the diagrams and repair parts for Official Sears 8712820 portable typewriter, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 604 parts  |
Catch 404440
#15

Jacket diagram

Catch

Part #404440

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

Castg Side R 402135
#2C

Jacket diagram

Castg side r

Part #402135

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

Screw 465780
#14

Jacket diagram

Screw

Part #465780

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

Screw 446270
#17

Platen & linespace diagram

Screw

Part #446270

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

Screw 400340
#5

Frame diagram

Screw

Part #400340

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

Arm Assembly 455640-21
#29

Platen & linespace diagram

Arm assembly

Part #455640-21

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

Bracket 456520-01
#27

Platen & linespace diagram

Bracket

Part #456520-01

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

Bracket 424160
#35

Power diagram

Bracket

Part #424160

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

Cover 407856-01
#28C

Jacket diagram

Cover

Part #407856-01

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

Lock 421761
#20

Shift electric models diagram

Lock

Part #421761

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why won't my treadmill power up?

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

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Why is my treadmill's walking belt off center?

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

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Why won't my treadmill start even though the console display works?

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

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Why is my treadmill's heart rate sensor not accurate?

Main causes: faulty sensors, wiring failure, bad control console…

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Why does my treadmill have no display?

Main causes: bad control console, wiring failure, bad motor control board…

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Why does my treadmill's walking belt slow down?

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

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Why is my treadmill's walking belt slipping?

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

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Repair guides for treadmills

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

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How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

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Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Read more
Repair difficulty
Time required
 15 minutes or less

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