Part Location Diagram of 16-70-0320 Milwaukee Armature
See part 47 in the diagram
Replacing your Milwaukee Electric Drill Armature
( Grid squares measure 1x1 inch )

Armature 16-70-0320

Manufactured by:
Milwaukee
ERP Number:
ERP10121625
Part Number:
16-70-0320
Original Equipment Manufacturer ?
  Works with your model  4014!
$148.45
On Order

Easy 

30 - 60 mins 

(2 rated repairs) ?
  Works with your model   4014!

Product Description

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This genuine OEM sourced replacement part is specially produced for use with Milwaukee electric drills. The armature is the central component within a tools electric motor. It is composed of a steel shaft, copper windings, and a series of commutator bars through which the carbon brushes transfer electricity. Due to constant contact with carbon brushes armature will eventually wear out and would need to be replaced to maintain peak performance. It is highly recommended to replace both carbon brushes when replacing an armature. Please note this high-quality component is sold individually.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Milwaukee
This part works with the following products:
  • Electric Drill
  • Drill

Videos For installing this part.

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Replacing your Armature

Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

30 - 60 mins 

(2 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

Armature in short circuit

Mario from Miami, Florida

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers, Wrench set
Parts Used:
22-18-0702, 16-70-0320
Replace the armature and de carbon brushes and the equipment works great
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Armature, field, brushes, and bearings overheated

Dave from Mariposa, California

0 of 1 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Nutdriver, Pliers, Screw drivers
Parts Used:
16-70-0320
This is a large Milwaukee drill motor used in concrete core drills, heavy duty mag drills, etc. After drill motor is removed from unit, motor housing is separated from gear box. Brush covers and brushes are then removed. Armature can then be removed with bearings. End cap (w/ cord restraint) is then removed to allow access to field termi nals. Field is mounted with two long screws. Field housing is a tight fit and must be carefully driven out to route wires to power and brush terminals. Note position relative to casing, as well as wire routing. Reverse to install.
Ereplacementparts was a GREAT resource for this repair ( replacement motor is @$700, repair was @$200, complete drill over $2000). Repaired two drills now. GREAT people to deal with.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10121625
Manufacturer Part Number: 16-70-0320
Brand Model Number Description
Milwaukee 4004 Electric Drill - Dymodrill
Milwaukee 4004-20 Drill - Milwaukee 4004-20-(841b) Parts
Milwaukee 4004-20LC Drill - Milwaukee 4004-20lc-(G70a) Parts
Milwaukee 4004-55 Electric Drill - Dymodrill
Milwaukee 4005 Electric Drill - Dymodrill
Milwaukee 4005-55 Electric Drill - Dymodrill
Milwaukee 4014 Electric Drill - Dymodrill
Milwaukee 4015 Cordless Drill - Cordless Drill / Driver
Milwaukee 4079 Electric Drill - Electric Drill
Milwaukee 4093 Electric Drill - Electric Drill
Milwaukee 4094 Electric Drill - Electric Drill
Milwaukee 4096 Electric Drill - Electric Drill
Milwaukee 4096-55 Electric Drill - Electric Drill
Milwaukee 4099 Electric Drill - Electric Drill