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DP
Treadmill

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

Here are the diagrams and repair parts for Official DP 21-7119 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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ALL PARTS
Showing 10 of 109 parts  |
Hex Screw 23021000
#55

Motor and walking belt assembly diagram

Hex screw

Part #23021000

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

Lock Nut 25014600
Lock nut

Part #25014600

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

Motor/mnt As 39379300
#35

Motor and walking belt assembly diagram

Motor/mnt as

Part #39379300

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

Rr/lf Guard 09170200
#19

Motor and walking belt assembly diagram

Rr/lf guard

Part #09170200

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

J Bolt 23020800
#53

Motor and walking belt assembly diagram

J bolt

Part #23020800

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

Flywheel 33021010
#35C

Motor and walking belt assembly diagram

Flywheel

Part #33021010

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

Silicone Gel 12022800

#NI

All parts diagram

Silicone gel

Part #12022800

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

Shrt Sleeve 04043500
#2

Motor and walking belt assembly diagram

Shrt sleeve

Part #04043500

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

Mtl Screw 20022900
#65

Motor and walking belt assembly diagram

Mtl screw

Part #20022900

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

Push Nut 25018900
#22D

Motor and walking belt assembly diagram

Push nut

Part #25018900

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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