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Hitachi
Sports & Leisure

Model # SDT22H Official Hitachi musical instrument

Here are the diagrams and repair parts for Official Hitachi SDT22H musical instrument, as well as links to manuals and error code tables, if available.

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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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ALL PARTS
Showing 10 of 10 parts  |
Hitachi Tone Arm Assembly 4818311

#NI

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Hitachi tone arm assembly

Part #4818311

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

Hitachi Lifter 4817518

#NI

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Hitachi lifter

Part #4817518

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

Platter Assembly 4818314

#NI

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Platter assembly

Part #4818314

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

Belt 4975941

#NI

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Belt

Part #4975941

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

Platter Shaf 4817539

#NI

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Platter shaf

Part #4817539

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

Motor Assembly 4818315

#NI

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Motor assembly

Part #4818315

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

Tone Arm Assembly 48183122

#NI

All parts diagram

Tone arm assembly

Part #48183122

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

Belt 4814851

#NI

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Belt

Part #4814851

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

Cartridge 4817486

#NI

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Cartridge

Part #4817486

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

Gear Transistor 4818313

#NI

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Gear transistor

Part #4818313

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

Symptoms for treadmills

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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…

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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'…

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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…

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Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your fitness & exercise

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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Top questions about Sears and Sears PartsDirect

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