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DeWalt
Hammer Drill

Model # DWD520 TYPE1 Official DeWalt hammer drill

Here are the diagrams and repair parts for Official DeWalt DWD520-TYPE1 hammer drill, 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 70 parts  |
Shift Ring 643924-00SV
#78

Drill hammer diagram

Shift ring

Part #643924-00SV

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

Finger 656286-00
#74

Drill hammer diagram

Finger

Part #656286-00

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

Spring 395460-00
#71

Drill hammer diagram

Spring

Part #395460-00

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

O-ring 663004-00
#40

Drill hammer diagram

O-ring

Part #663004-00

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

Gear 643898-00
#86

Drill hammer diagram

Gear

Part #643898-00

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

Fan Baffle 641824-00
#5

Drill hammer diagram

Fan baffle

Part #641824-00

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

O-ring 056122-00
#41

Drill hammer diagram

O-ring

Part #056122-00

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

Seal 648761-00
#49

Drill hammer diagram

Seal

Part #648761-00

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

Gear Case 654303-00
#30

Drill hammer diagram

Gear case

Part #654303-00

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

Chuck 584925-02
#46

Drill hammer diagram

Chuck

Part #584925-02

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

Parts & More