SPECIFICATIONS
Cat. No. ..................................................... 2879-20
Volts .............................................................. 18 DC
Battery Type .................................................M18™
Charger Type ................................................M18™
Recommended Ambient
Operating Temperature ......................0°F to 122°F
Force .......................................................... 15 Tons
Capacity............................#8AWG - 1500 MCM Cu
Adapter Cat. No. ............................... 49-15-PUAD
ASSEMBLY
Recharge only with the charger
WARNING
specified for the battery. For spe-
cific charging instructions, read the operator's
manual supplied with your charger and battery.
Removing/Inserting the Battery
To remove the battery, push in the release buttons
and pull the battery pack away from the tool.
Always remove battery pack before
WARNING
changing or removing accessories.
To insert the battery, slide the pack into the body
of the tool. Make sure it latches securely into place.
Only use accessories specifically
WARNING
recommended for this tool. Others
may be hazardous.
An incomplete or faulty crimp could
WARNING
cause a fire. Use tool only with
compatible dies and connectors for which they
are rated. Jaws, dies, and connectors must be
used in an approved combination to achieve a
successful operation. Improper combinations
can result in a faulty crimp. Electric shock, fire,
explosion, and property damage could occur.
Inserting/Removing Adapter
Inspect adapter before use. Only use an adapter
with "U" dies. Remove adapter when using "P" dies.
1. Remove the battery pack.
2. To install, pull out the release pins and slide the
adapter pieces in each side of the jaws. Adapter
pieces will snap into place after pins are released.
Tug on adapter pieces to ensure they are secure.
3. To remove, pull out the release pins and slide
adapter pieces out from each side of the jaws.
U-Die Adapter
(49-15-PUAD)
Release pins
Changing the Dies
Inspect dies and connectors before use. Only use
properly matched dies and connectors for the crimp-
ing jaws. Refer to Specifications and Table A for die/
connector compatibility.
Only use "P" dies without the adapter, or "U" dies
with the adapter.
NOTE: Install the smaller die piece into the swinging
jaw to ensure the jaws will open fully.
1. Remove the battery pack.
2. Slide the appropriate dies into each side of the
crimping jaws.
#8AWG - 1250 MCM AI
3. When using "P" dies, pull out the release pins and
slide the dies into each side of the jaws. Dies will
snap into place after pins are released. Tug on
dies to ensure they are secure.
4. When using "U" dies, first install the adapter, then
snap the "U" dies into each side of the jaws. Tug
on dies to ensure they are secure.
5. To remove "P" dies, pull out the release pin for
each side of the crimping jaws. Pull out dies.
6. To remove "U" dies, used with the adapter, press
the die release buttons on the adapter pieces and
slide out dies.
ONE-KEY™
To learn more about the ONE-KEY™ function-
ality for this tool, please reference the Quick
Start guide included with this product or go to
milwaukeetool.com/One-Key. To download the
ONE-KEY™ app, visit the App Store or Google Play
from your smart device.
ONE-KEY™ Indicator
Solid Blue
Wireless mode is active and ready
to be configured via the ONE-KEY™
app.
Blinking Blue Tool is actively communicating with
the ONE-KEY™ app.
Blinking Red Tool is in security lockout and can
be unlocked by the owner via the
ONE-KEY™ app.
OPERATION
To reduce the risk of arc flash,
WARNING
electric shock and property
damage, work on deenergized lines when
possible. Tool is not insulated. Should work
on energized lines be required, ensure all proper
precautions, including those contained in NFPA
70E, have been taken first.
Keep hands away from crimping jaws while
tool is in use. Fingers could be crushed.
Always remove battery pack before changing
or removing accessories. Only use accessories
specifically recommended for this tool. Others
may be hazardous.
Always wear proper eye protection marked to
comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
Before crimping:
• Inspect the jaws and dies for cracks or other dam-
age. Do not use damaged jaws or dies. Contact a
MILWAUKEE service facility.
• Ensure dies are properly installed.
• Use the 49-15-PUAD adapter with "U" dies.
• Jaws, dies, connectors, and cables must be used
in an APPROVED COMBINATION. Improper
combinations can result in a faulty crimp.
• Inspect and discard workpieces with cracks or wear
before use. Materials may crack or shatter.
• Follow installation specifications as specified in
Table A using an approved combination of jaws,
dies, connectors and cables as indicated. Other
uses may cause damage to the tool, accessories,
and workpiece.
1. Install the dies.Use adapter with "U" dies.
2. Insert battery pack.
5
Crimping