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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.
Changing Expander Heads
To remove an expander head, unscrew from tool
counterclockwise.
To install an expander head, screw onto tool clock-
wise. Hand tighten securely. Do not over tighten.
The expander head must fit snuggly against the
shoulder of the tool.
OPERATION
To reduce the risk of injury, always
WARNING
wear proper eye protection marked
to comply with ANSI Z87.1.
Always remove battery pack before changing
or removing accessories. Only use accessories
specifically recommended for this tool. Others
may be hazardous.
Trigger Lock
To lock
the trigger, push the trigger lock from the
left side of the tool. The trigger will not work while the
switch is in the locked position. Lock the trigger when
storing the tool and when the tool is not in use.
To unlock
the trigger, push the trigger lock from
the right side of the tool.
Use only MILWAUKEE M18
CAUTION
ProPEX
onor Standard expander heads. The use of incor-
rectly sized expansion heads may result in faulty
connections, which could result in property
damage.
Making PEX Tubing Connections
To ensure a proper connection:
• Remove the expander head and remove any dirt
and debris.
• Use a clean, lint-free cloth to apply a thin
coat of MILWAUKEE Expander Cone Grease
Cat.No. 49-08-2400 to the expander cone. Do not
over-lubricate.
Improper lubrication (too much or
CAUTION
too little) may result in faulty con-
nections, which could result in property damage.
• Do not expand tubing beyond the tool's capacity
(1-1/2").
• Pull trigger and verify that the expander head is
rotating after each cycle when using MILWAUKEE
M18
ProPEX
expander heads.
™
™
1. Cut the PEX tubing to the needed length. Use only
cutters designed for PEX tubing. Make sure the
cut is perpendicular to the length of the tubing.
expander heads or Up-
™
2. Slide the ProPEX
end of the tubing until it butts
aginst the ring stop. If the ring
does not have a stop, leave an
over-hang of no more than
1 / 1 6 " . W h e n u s i n g 3 / 8 "
ProPEX
, refer to "3/8" ProPEX
™
proper assembly.
3. Insert the expander head into the PEX tubing.
4. Pull the trigger. The expander head will expand,
retract, and rotate slightly in each cycle.
NOTE: When Uponor Stan-
dard expander heads are
used, the head will NOT
rotate automatically. Each
time the segments con-
tract, gently push the tub-
ing up onto the expander head and rotate 1/8 turn
in either direction.
When using Uponor Standard ex-
CAUTION
pansion heads, properly rotate the
tubing after each expansion to create even,
smooth expansion marks. Not rotating the tubing
may cause deep grooves and faulty connections,
which could result in leaking and property dam-
age.
Expander Head Size
3/8"
1/2"
5/8"
3/4"
1"
™
1" H
1¼" H
1½" H
* Fewer or more expansions may be necessary, as influ-
enced by weather and technique.
5. Continue until the tubing is flush with the shoulder
of the expander head. Then expand 1 to 4 more
times, depending on the room temperature (the
warmer the temperature, the more expansions
are necessary).
6. Remove the tubing when the segments are
contracted and release the trigger. To avoid over-
expanding the tubing, do not keep tool in the
expanded position with tubing in place.
7. Wipe excess grease from inside tubing.
8. Slide the tubing over the fitting until it is flush with
the fitting shoulder. Connection may be tight. If
unable to slide tubing over the fitting, remove from
fitting and expand one additional time.
9. Tubing should fit tight against the fitting shoulder. If
more than 1/16" gap between tubing and shoulder,
cut 2" off the end of the tubing and restart proce-
dure with a new ProPEX
4
Ring over the
™
tubing
™
Expansion
markings
inside tubing
Incorrect
Correct
Number of Expansions
with Ring*
5
9
9
10
19
7
9
10
Ring.
™
1/16"
ring
Rings" for
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