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DeWalt
Power Hammer

Model # D25891K TYPE 1 Official DeWalt power hammer

Here are the diagrams and repair parts for Official DeWalt D25891K-TYPE-1 power hammer, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 119 parts  |
Dewalt Gear Case N079388
#160

Main assy 1 diagram

Dewalt gear case

Part #N079388

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

Spindle 492698-00
#250

Main assy 2 diagram

Spindle

Part #492698-00

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

Screw 326619-00
#71

Motor assy diagram

Screw

Part #326619-00

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

Bearing 1007543-00
#253

Main assy 2 diagram

Bearing

Part #1007543-00

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

Guide Bush 590377-00
#209

Main assy 2 diagram

Guide bush

Part #590377-00

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

Dewalt Nameplate N049525
#NI

Motor assy diagram

Dewalt nameplate

Part #N049525

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

Fan Baffle N029960
#16

Motor assy diagram

Fan baffle

Part #N029960

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

Cvr Gearca N027968
#104

Main assy 1 diagram

Cvr gearca

Part #N027968

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

Sleeve 487236-00
#204

Main assy 2 diagram

Sleeve

Part #487236-00

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

Brush 489257-00
#4

Motor assy diagram

Brush

Part #489257-00

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'…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for treadmills

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

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Top questions about Sears and Sears PartsDirect

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

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How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

Learn how to use a multimeter to check for wiring problems in an appliance that's not working…

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