Functional Description; Operation; Maintenance - Milwaukee MX FUEL MXF371 Operator's Manual

FUNCTIONAL DESCRIPTION

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1. Backpack 10. Start/Stop button
2. Backpack latch 11. Remote mode
position
3. Carry handle
12. OFF position
4. Coupler locking
handle 13. ON position
5. Flex shaft coupler 14. ONE-KEY indicator
6. Remote storage 15. Cold Start LED
7. Transmit LED 16. Arm button
8. Pairing button 17. Pairing button
9. Remote on/off switch
ASSEMBLY
Recharge only with the charger
WARNING
specifi ed for the battery. For spe-
cifi c charging instructions, read the operator's
manual supplied with your charger and battery.
Removing/Inserting the Battery
To remove the battery, push the battery latch lock
to the side and squeeze the battery latch lever. Pull
the battery pack away from the machine.
Always remove battery pack before
WARNING
changing or removing accessories.
To insert the battery, slide the pack into the body of
the machine. Make sure it latches securely into place.
Only use accessories specifi cally
WARNING
recommended for this machine.
Others may be hazardous.
Attaching the Flex Shaft
Flex shafts are normally lubricated from the manu-
facturer from one end. Attach the greased end to
the machine. Use a fl ex shaft with a length suitable
for the job.
1. Remove the battery pack. WARNING! Always
remove battery pack before changing or removing
accessories.
2. Open coupler locking handle.
3. Place the fl ex shaft into the coupler.
4. Pull the fl ex shaft until the coupler locking handle
engages. (Handle will automatically fall into place
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with an audible click).
Attaching Head to Flex Shaft
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1. Remove the battery pack. WARNING! Always
remove battery pack before changing or removing
10 accessories.
2. Coat fl ex shaft threads with sealant to prevent
water from entering head
3. Thread head onto fl ex shaft.
4. Tighten by gripping metal portion of the fl ex shaft
and fl ats of the head.
Putting on the Backpack
1. Ensure backpack is securely latched to base.
2. Pick up the backpack by one of the shoulder
straps, slide your arms through each shoulder
strap.
3. With the machine on your back, tighten the
shoulder and waist straps until they fi t snugly and
securely. Connect chest strap.
4. Be sure the shoulder, chest, and waist straps are
tight but comfortable; if they are too loose, the
machine may slide around on your back, making
it uncomfortable to wear.
5. Be aware machine forces may shift during use and
movement, such as twisting or bending over.
Changing Remote Batteries
Only use alkaline batteries. Do not use zinc-carbon
batteries. If the remote will not be used for a long
time, remove the batteries as a protection against
corrosion.
To change the batteries:
1. Open the battery compartment.
2. Insert the batteries according to the polarity
marked in the compartment.
3. Close the battery compartment.
Pairing the Remote
1. Arm the machine.
2. On the machine, set the switch to the
3. Turn on the remote.
4. On the machine, press and hold the
until LED begins fl ashing (indicating machine is
ready to pair).
5. Press and hold the button on the Remote;
flashing LED on machine will turn solid then
off when the remote has paired successfully.
NOTE: Remote needs to be within close proximity
to ensure remote is receiving signal from the ma-
chine. This procedure will time out in 30 seconds
if machine is not paired.
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Removing/Installing the Backpack
The backpack can be removed for certain applica-
tions or for spot cleaning.
To remove the backpack, squeeze the backpack
latch and pull the backpack away from the machine.
NOTE: When used without a backpack, do not drag
the machine with the fl exible shaft.
To install the backpack, line up the bottom hook and
secure the backpack to the machine base using the
backpack latch.
ONE-KEY™
To learn more about the ONE-KEY™ function-
ality for this machine, please refer to the quick
reference included with this machine 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 confi gured via the ONE-KEY™
app.
Blinking Blue Machine is actively communicating
with the ONE-KEY™ app.
Blinking Red Machine is in security lockout and
can be unlocked by the owner via
the ONE-KEY™ app.

OPERATION

To reduce the risk of injury, always
WARNING
wear proper eye protection marked
to comply with ANSI Z87.1.
Arming the Machine
The MX FUEL™ machines must be armed prior to
use. Even with the battery pack inserted, the machine
functions will not operate until the machine is armed.
To arm the machine:
1. Insert the battery pack.
2. Press the Arm button. The MX FUEL™ icon will
light.
3. After 15 minutes of inactivity, the machine will enter
sleep mode. The MX FUEL™ icon will go off and
the LEDs are un-operational.
4. Press and hold the Arm button for 1 second to
reactivate the machine.
5. Press and hold the ARM button for 1 second to
unarm (turn off ) the machine. The MX FUEL™
icon will go off .
position. Starting and Stopping
1. Arm the machine.
button
2. To start the machine, set the switch to the
position.
3. To stop the machine, set the switch to the
position.
Starting and Stopping (Remote Mode)
1. Arm the machine.
2. On the machine, set the switch to the
3. Turn on the remote
4. To start the machine, press the
remote.
5. To stop the machine, press the
remote.
Cold Start LED
The Cold Start LED will illuminate when the machine
is started in cold conditions (below 32°F). The ma-
chine will will gradually bring the VPM up to 10,000
in order to avoid nuisance shutdowns. Once the VPM
reaches 10,000 VPM the Cold Start LED will go off .
This feature allows the machine to start in temps as
low as -4°F.
Low Battery Alert
During use, when the battery nears end of charge
(at 10% and 2% remaining charge), the machine will
notify the user by turning itself off and on (pausing).
Charge the battery.
General Operation
1. Insert head vertically into material allowing head
to sink to desired depth by its own weight.
2. Hold in place for 5-15 seconds, then slowly lift head
up, staying behind the trapped air's movement to
avoid retrapping air.
3. A small up and downward movement will close the
hole formed by the head.
4. To prevent agitating air into material, withdraw the
head quickly when near the top.
5. Move head, re-insert and repeat as desired.

MAINTENANCE

To reduce the risk of injury, always
WARNING
unplug the charger and remove the
battery pack from the charger or machine before
performing any maintenance. Never disassemble
the machine, battery pack or charger. Contact a
MILWAUKEE service facility for ALL repairs.
Maintaining Machine
position. Keep your machine, battery pack and charger in good
repair by adopting a regular maintenance program.
button on the Inspect your machine for issues such as undue noise,
misalignment or binding of moving parts, breakage
button on the
of parts, or any other condition that may aff ect the
machine operation. Return the machine, battery
pack, and charger to a MILWAUKEE service facility
for repair. After six months to one year, depending on
use, return the machine, battery pack and charger to
a MILWAUKEE service facility for inspection.
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