5
CAUTION
To avoid damage to the tool, do not
operate the tool without the retain-
ing pin fully inserted and locked into position.
Damage to the cylinder may occur.
WARNING
An incomplete or faulty crimp could
cause a fire. Jaws, dies, and con
-
nectors must be used in an
APPROVED COMBI-
NATION to achieve a successful operation. Im-
proper combinations can result in a faulty crimp.
Electric shock, fire, explosion, and property
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 reference the Quick Start guide in-
cluded 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.
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
Maximum Capacity
477 ACSR Jaws
(Cat. No. 49-16-2773)
ACSR: 477 MCM Hen ACSR
Guy Wire: 3/8" Non-EHS
750 MCM Cu Jaws
(Cat. No. 49-16-2772)
Copper Cable - 750 MCM
Aluminum Cable - 1000 MCM
*
*
750 MCM Cu Jaws will cut any aluminum cable with a
diameter less than 1.225"
OPERATION
WARNING
To reduce the risk of explosion,
electric shock and property
damage, do not use on live electrical lines.
Tool is NOT insulated. Contact with a live
circuit could result in severe injury or death.
Turn off power before making a crimp.
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.
To reduce the risk of injury, wear safety goggles
or glasses with side shields.
Crimping
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.
• Jaws, dies, connectors, and cables must be used in
an
APPROVED COMBINATION. Improper combina
-
tions can result in a faulty crimp.
• Inspect and discard workpieces with cracks or wear
before use. Materials may crack or shatter.
• Follow connector manufacturers' installation instruc-
tions. Other uses may cause damage to the tool,
accessories, and workpiece.
1. Insert battery pack.
2. Place jaws with installed dies around the connec
-
tor.
3. Hold tool securely. Press and hold the trigger.
4. When the cycle is complete the tool will switch off
and the indicator will light. Release the trigger.
LED
Indicator
Definition
Solid Green Tool completed the operation and
reached full crimping pressure.
Solid Red Tool completed the operation but did
NOT reach full crimping pressure.
Flashing Red
Tool did NOT complete the operation.
Flashing
Red/Green
(after Solid
Green or
Solid Red)
Tool has reached its service interval
(40,000 crimps). Red/Green flashing
will begin after the solid Red or Green
indicator for the operation is displayed.
MILWAUKEE
recommends that the
tool be inspected and preventative
maintenance completed. Return tool to
a
MILWAUKEE service facility.
5. Continue crimping according to the connector
manufacturer's instructions. See the "Lug and
Splices" charts for more information.
• For
splices
, begin crimping in the center, work-
ing outward.
• For
lugs
, begin crimping near the pad, working
outward.
6. Two LEDs will light the workpiece when the trigger
is pulled.
Backup Release Valve
If the jaws need to be opened without completing the
cycle, press and hold the backup release valve. Hold
tool securely until the cylinder retracts fully.
MAINTENANCE
WARNING
To reduce the risk of injury, always
unplug the charger and remove the
battery pack from the charger or tool before
performing any maintenance. Never disassemble
the tool, battery pack or charger. Contact a
MILWAUKEE service facility for ALL repairs.
Maintaining Tool
Keep your tool, battery pack and charger in good re-
pair by adopting a regular maintenance program. Af
-
ter six months to one year, depending on use, return
the tool, battery pack and charger to A MILWAUKEE
service facility for:
• Lubrication
• Mechanical inspection and cleaning (gears, spin-
dles, bearings, housing, etc.)
• Electrical inspection (battery pack, charger, motor)
• Testing to assure proper mechanical and electrical
operation
If the tool does not start or operate at full power with
a fully charged battery pack, clean the contacts on
the battery pack. If the tool still does not work prop
-
erly, return the tool, charger and battery pack, to a
MILWAUKEE service facility for repairs.
