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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
Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 119 parts  |
Protector 323091-01
#56

Motor assy diagram

Protector

Part #323091-01

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

Screw 324007-11
Screw

Part #324007-11

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

Bush 478650-00
#139

Main assy 1 diagram

Bush

Part #478650-00

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

Lock Ring 579784-00
#205

Main assy 2 diagram

Lock ring

Part #579784-00

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

Washer 479320-00
#265

Main assy 2 diagram

Washer

Part #479320-00

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

Support N026163-01
#28

Motor assy diagram

Support

Part #N026163-01

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

Beat Piece 579832-00
#254

Main assy 2 diagram

Beat piece

Part #579832-00

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

Rubber 487244-00
#203

Main assy 2 diagram

Rubber

Part #487244-00

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

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Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

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Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

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Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

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Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

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Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

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Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

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Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

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Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

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Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

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How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for water softeners

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

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

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

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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