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DP
Treadmill

Model # 21-7119A Official DP prime fit concourse 10.55 gi treadmill

Here are the diagrams and repair parts for Official DP 21-7119A prime fit concourse 10.55 gi 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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Showing 10 of 99 parts  |
Motor/mnt As 39379300
#32

Motor and walking assembly diagram

Motor/mnt as

Part #39379300

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

Wheel 09076600
#25B

Motor and walking assembly diagram

Wheel

Part #09076600

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

Hex Screw 21026600
#45L

Console (m5410) parts drawing diagram

Hex screw

Part #21026600

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

Lock Washer 26009700
#61

Motor and walking assembly diagram

Lock washer

Part #26009700

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

Bracket 31294216
#8

Motor and walking assembly diagram

Bracket

Part #31294216

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

Inclin Frame 38357116
#25A

Motor and walking assembly diagram

Inclin frame

Part #38357116

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

Bracket 31291816
#28

Motor and walking assembly diagram

Bracket

Part #31291816

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

Console Btm 09170300
#45B

Console (m5410) parts drawing diagram

Console btm

Part #09170300

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

R Handrail 30464216
#3

Motor and walking assembly diagram

R handrail

Part #30464216

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

Tread Belt 09172300
#12

Motor and walking assembly diagram

Tread belt

Part #09172300

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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