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Smith Corona
Office

Model # 435 DLD(5ADG) Official Smith Corona typewriter

Here are the diagrams and repair parts for Official Smith Corona 435-DLD5ADG typewriter, as well as links to manuals and error code tables, if available.

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  • 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”.

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Model diagram and schematic

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Showing 10 of 413 parts  |
Capacitor 730022

#NI

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Capacitor

Part #730022

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

Resistor 748226

#NI

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Resistor

Part #748226

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

Ic, Til-ls 709683

#NI

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Ic, til-ls

Part #709683

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

Resistor 748235

#NI

All parts diagram

Resistor

Part #748235

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

Ic, 74l537 709684

#NI

All parts diagram

Ic, 74l537

Part #709684

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

Capacitor 770218

#NI

All parts diagram

Capacitor

Part #770218

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

Capacitor 700341

#NI

All parts diagram

Capacitor

Part #700341

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

Capacitor 770207

#NI

All parts diagram

Capacitor

Part #770207

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

Cap, 56uf, 741574

#NI

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Cap, 56uf,

Part #741574

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

Zener Diode 765829

#NI

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Zener diode

Part #765829

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 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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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 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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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…

Read more
Repair difficulty
Time required
 15 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
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Read more
Repair difficulty
Time required
 30 minutes or less

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