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
To reduce the risk of injury, always
WARNING
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
repair by adopting a regular maintenance program.
Inspect your tool for issues such as undue noise,
misalignment or binding of moving parts, breakage of
parts, or any other condition that may affect the tool
operation. Return the tool, battery pack, and charger
to a MILWAUKEE service facility for repair. After six
months to one year, depending on use, return the
tool, battery pack and charger to a MILWAUKEE
service facility for inspection.
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.
ONE-KEY™
Refer to the ONE-KEY™ App for information regard-
ing necessary servicing, such as internal battery life
and crimp count.
Chemical Burn Hazard.
WARNING
This device contains a
lithium button/coin cell battery. A new
or used battery can cause severe in-
ternal burns and lead to death in as
little as 2 hours if swallowed or enters the body.
Always secure the battery cover. If it does not
close securely, stop using the device, remove the
batteries, and keep it away from children. If you
think batteries may have been swallowed or en-
tered the body, seek immediate medical attention.
Internal Coin Cell Battery
An internal coin cell battery is used to facilitate full
ONE-KEY™ functionality.
To replace the coin cell battery:
1. Remove the battery pack.
2. Remove the screw(s) and open the coin cell bat-
tery door.
3. Remove the old coin cell battery, keep it away from
children, and dispose of it properly.
4. Insert the new coin cell battery (3V CR2032), with
the positive side facing up.
5. Close the battery door and tighten the screw(s)
securely.
Hydraulic Fluid
To extend the life of the tool, return the tool to a
MILWAUKEE service facility for hydraulic fluid
replacement after 30,000 crimps or 2 years of use.
Jaws and Dies
Inspect jaws and dies for cracks or damage. Do not
use damaged jaws or dies.
To reduce the risk of personal in-
WARNING
jury and damage, never immerse
your tool, battery pack or charger in liquid or
allow a liquid to flow inside them.
Clean dust and debris from any vents. Keep tool
clean, dry and free of oil or grease. Use only mild
soap and a damp cloth to clean, since certain clean-
ing agents and solvents are harmful to plastics and
other insulated parts. Some of these include gasoline,
turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
gents containing ammonia. Never use flammable or
combustible solvents around tools.
For repairs, return the tool, battery pack and charger
to the nearest authorized service center
ACCESSORIES
Always remove battery pack before
WARNING
changing or removing accesso-
ries. Only use accessories specifically recom-
mended for this tool. Others may be hazardous.
For a complete listing of accessories, go online to
www.milwaukeetool.com or contact a local distributor.
Cat. No.
49-16-WBG0
49-16-WO00
49-16-WC00
49-16-W840
49-16-W161
49-16-W162
49-16-W163
49-16-W165
49-16-W166
49-16-W243
49-16-W247
49-16-W249
49-16-W164
49-16-W237
49-16-W239
WIRELESS COMMUNICATION
For products provided with wireless communication
features, including ONE-KEY™:
Pursuant to part 15.21 of the FCC Rules, do not
modify this product. Modification could void your
authority to operate the product. This device complies
with part 15 of the FCC Rules and ISED-Canada's
license exempt RSS standards. Operation is subject
to the following two conditions: 1) This device may
not cause harmful interference, and 2) This device
must accept any interference received, including
interference that may cause undesired operation.
6
Cleaning
Repairs
W Style Die Description
W-BG
W-O
W-C
W-K840
W-161
W-162
W-163
W-165
W-166
W-243
W-247
W-249
W-164
W-237
W-239