DeWalt
Power Hammer

Model # DW949 Official DeWalt hammer gun

Here are the diagrams and repair parts for Official DeWalt DW949 hammer gun, 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 53 parts  |

Spindle 450246-01
#28

Unit parts diagram

Spindle

Part #450246-01

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

O-ring 49787-00
#45

Unit parts diagram

O-ring

Part #49787-00

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

Sears Fan Baffle 447866-00
#15

Unit parts diagram

Sears fan baffle

Part #447866-00

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

Receptacle 445964-00
#52

Unit parts diagram

Receptacle

Part #445964-00

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

Sears Screw 448269-00
#9

Unit parts diagram

Sears screw

Part #448269-00

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

Pinion Gear 448069-07
#29

Unit parts diagram

Pinion gear

Part #448069-07

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

Black & Decker Screw 330019-16
#11

Unit parts diagram

Black & decker screw

Part #330019-16

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

Clutch 464221-01
#38

Unit parts diagram

Clutch

Part #464221-01

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

Spring 144501-00
#21

Unit parts diagram

Spring

Part #144501-00

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

Washer 450232-00
#49

Unit parts diagram

Washer

Part #450232-00

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower carburetor

How to replace a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Replace the carburetor if it's clogged or damaged.…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

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.…

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

Lawn mower won't start troubleshooting video: can't pull recoil pull cord

A blade obstruction, bad recoil starter or locked-up engine can prevent the pull cord on your mower from working. See ho…