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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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Owner’s manual

Model diagram and schematic

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Showing 10 of 35 parts  |
Screw N281559
#11

Main asy diagram

Screw

Part #N281559

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

Shifter N375867
#21

Main asy diagram

Shifter

Part #N375867

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

Label N317859
#46

Main asy diagram

Label

Part #N317859

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

Power Tool Belt Hook N268241
#39

Main asy diagram

Power tool belt hook

Part #N268241

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

Pin 654110-00
#17

Main asy diagram

Pin

Part #654110-00

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

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

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