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.
Inserting/Removing Jaws
1. Remove the battery pack.
2. Remove the locking thumb screw (when used)
from the back of the retaining pin.
3. Push in, then rotate the retaining pin counterclock-
wise 90°
. The pin will pop out.
4. Insert the crimping jaws. Line up the center hole
with the retaining pin.
5. Push in the retaining pin, then rotate clockwise 90°
6. Ensure the Retaining Pin Lever Arrow is
aligned with the Clevis Pin Lock arrow
7. Insert and hand tighten the locking thumb
screw (when used).
NOTE: A locking thumb screw can be
used to prevent the retaining pin from
being unintentionally loosened. A loose
retaining pin may damage the tool.
8. Rotate the jaws to the desired angle.
To avoid damage to the tool, do not
CAUTION
operate the tool without the retain-
ing pin fully inserted and locked into position.
Damage to the cylinder or clevis may occur.
An incomplete or faulty crimp could
WARNING
cause a fire. Jaws, dies, and con-
nectors must be used in an A P P R O V E D
COMBINATION to achieve a successful opera-
tion. Improper combinations can result in a faulty
crimp. Electric shock, fire, explosion, and prop-
erty damage could occur.
Changing the Dies
Inspect dies and connectors before use. Only use
properly matched dies and connectors for the ap-
propriate crimping jaws. Refer to Specifications for
die/connector/crimping jaws compatibility.
1. Remove the battery pack.
2. Push in the retaining pins and snap the appropriate
dies into each side of the crimping jaws. Release
the retaining pins.
3. To remove, push in the retaining pins pull dies out
from crimping jaws.
ONE-KEY™
To learn more about the ONE-KEY™ functionality for
this tool, please refer to the quick reference 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.
Cutting Jaws (not included)
The Utility Crimper is compatible with the following
MILWAUKEE cutting jaws. Refer to the cutting jaws'
instructions for use.
Jaw Type
477 ACSR Jaws
(Cat. No. 49-16-2773)
750 MCM Cu/Al Jaws
(Cat. No. 49-16-2772)
1/2" EHS Guy Wire
Jaws
(Cat. No. 49-16-2777)
Fine Stranded Wire
Jaws
(Cat. No. 49-16-2778)
*750 MCM Cu Jaws will cut any aluminum cable with a
diameter less than 1.225"
**May require two cutting cycles to complete cut on 1/2" wire
***Jaws should only be used on the following wire classes:
M, K, I/DLO
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 retaining pin is properly seated and dies are
properly installed.
5
Maximum Capacity
ACSR: 477 MCM Hen ACSR
Guy Wire: 3/8" Non-EHS
Rebar: 3/8"
Ground Rod: 3/8"
Copper Cable: 750 MCM
Aluminum Cable: 1000
MCM*
EHS Guy Wire: 1/2"
(19 strand)**
Non-EHS Guy Wire: 1/2"
(7 & 19 strand)**
ACSR: 4/0 AWG
Rebar: 3/8"
Ground Rod: 3/8"
Fine Stranded Wire:
1/0 AWG - 777.7 AWG***
Crimping