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DP
Treadmill

Model # 21-2865A Official DP ergometer treadmill

Here are the diagrams and repair parts for Official DP 21-2865A ergometer treadmill, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 82 parts  |
Grip 04034500
#7

Unit parts diagram

Grip

Part #04034500

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

Screw 21011800
#106

Control panel diagram

Screw

Part #21011800

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

Tube Plug 02030900
#116

Motor belt and walking assembly diagram

Tube plug

Part #02030900

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

Magnet 37011200
#142

Motor belt and walking assembly diagram

Magnet

Part #37011200

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

Rr Rollr Cvr 31231116
#115

Motor belt and walking assembly diagram

Rr rollr cvr

Part #31231116

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

Screw 20016000
Screw

Part #20016000

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

Lower Cover 39268400
#118

Motor belt and walking assembly diagram

Lower cover

Part #39268400

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

Sp Adj Crank 09081141
Sp adj crank

Part #09081141

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

Pwr Swtch As 37023900
#160

Control panel diagram

Pwr swtch as

Part #37023900

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

Front Cover 09125600
Front cover

Part #09125600

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…

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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'…

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Repair difficulty
Time required
 15 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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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