DeWalt
Drill/Driver

Model # DCD991B TYPE 1 Official DeWalt drill/driver

Here are the diagrams and repair parts for Official DeWalt DCD991B-TYPE-1 drill/driver, 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 35 parts  |

Keyless Chuck N454251
#12

Main asy diagram

Keyless chuck

Part #N454251

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

Sensor Assembly N404613
#7

Main asy diagram

Sensor assembly

Part #N404613

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

Baffle N375868
#22

Main asy diagram

Baffle

Part #N375868

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

O N309119
#25

Main asy diagram

O

Part #N309119

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

Lock Ring N195392
#15

Main asy diagram

Lock ring

Part #N195392

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

Fwd/rev Button N431555
#36

Main asy diagram

Fwd/rev button

Part #N431555

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

Screw N281559
#11

Main asy diagram

Screw

Part #N281559

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

Detent Spring N014681
#32

Main asy diagram

Detent spring

Part #N014681

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

Screw 330019-52
#37

Main asy diagram

Screw

Part #330019-52

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

Label N238000
#42

Main asy diagram

Label

Part #N238000

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