Cat. No.
M12 BDC8
M12™ DRAIN SNAKE
OPERATOR'S MANUAL
To reduce the risk of injury, user must read and understand operator's manual.
WARNING
2
GENERAL POWER TOOL
SAFETY WARNINGS
WARNING
Read all safety warnings, instructions, illustrations and specifica-
tions provided with this power tool. Failure to follow
all instructions listed below may result in electric shock,
re and/or serious injury. Save all warnings and instructions for future reference. The term "power tool"
in the warnings refers to your mains-operated (corded)
power tool or battery-operated (cordless) power tool.
WORK AREA SAFETY
• Keep work area clean and well lit. Cluttered or dark
areas invite accidents.
• Do not operate power tools in explosive atmo-
spheres, such as in the presence of ammable
liquids, gases or dust. Power tools create sparks
which may ignite the dust or fumes.
• Keep children and bystanders away while operating a power tool. Distractions can cause you to lose
control.
ELECTRICAL SAFETY
• Power tool plugs must match the outlet. Never
modify the plug in any way. Do not use any adapter
plugs with earthed (grounded) power tools. Un-
modied plugs and matching outlets will reduce risk
of electric shock.
• Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric
shock if your body is earthed or grounded.
• Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the
risk of electric shock.
• Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep
cord away from heat, oil, sharp edges or moving
parts. Damaged or entangled cords increase the risk
of electric shock.
• When operating a power tool outdoors, use an
extension cord suitable for outdoor use. Use of a
cord suitable for outdoor use reduces the risk of electric
shock.
• If operating a power tool in a damp location is
unavoidable, use a ground fault circuit interrupter
(GFCI) protected supply. Use of an GFCI reduces
the risk of electric shock.
PERSONAL SAFETY
• Stay alert, watch what you are doing and use common sense when operating a power tool. Do not
use a power tool while you are tired or under the
inuence of drugs, alcohol or medication. A moment
of inattention while operating power tools may result
in serious personal injury.
• Use personal protective equipment. Always wear
eye protection. Protective equipment such as a dust
mask, non-skid safety shoes, hard hat or hearing
protection used for appropriate conditions will reduce
personal injuries.
• Prevent unintentional starting. Ensure the switch
is in the off-position before connecting to power
source and/or battery pack, picking up or carrying
the tool. Carrying power tools with your nger on the
switch or energizing power tools that have the switch
on invites accidents.
• Remove any adjusting key or wrench before turning the power tool on. A wrench or a key left attached
to a rotating part of the power tool may result in per-
sonal injury.
• Do not overreach. Keep proper footing and balance
at all times. This enables better control of the power
tool in unexpected situations.
• Dress properly. Do not wear loose clothing or
jewelry. Keep your hair and clothing away from
moving parts. Loose clothes, jewelry or long hair can
be caught in moving parts.
• If devices are provided for the connection of dust
extraction and collection facilities, ensure these
are connected and properly used. Use of dust col-
lection can reduce dust-related hazards.
• Do not let familiarity gained from frequent use
of tools allow you to become complacent and
ignore tool safety principles. A careless action can
cause severe injury within a fraction of a second.
POWER TOOL USE AND CARE
• Do not force the power tool. Use the correct power
tool for your application. The correct power tool will
do the job better and safer at the rate for which it was
designed.
• Do not use the power tool if the switch does not turn
it on and off. Any power tool that cannot be controlled
with the switch is dangerous and must be repaired.
• Disconnect the plug from the power source and/
or remove the battery pack, if detachable, from
the power tool before making any adjustments,
changing accessories, or storing power tools. Such
preventive safety measures reduce the risk of starting
the power tool accidentally.
• Store idle power tools out of the reach of children
and do not allow persons unfamiliar with the power
tool or these instructions to operate the power tool.
Power tools are dangerous in the hands of untrained
users.
• Maintain power tools and accessories. Check for
misalignment or binding of moving parts, breakage
of parts and any other condition that may affect the
power tool’s operation. If damaged, have the power
tool repaired before use. Many accidents are caused
by poorly maintained power tools.
• Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less
likely to bind and are easier to control.
• Use the power tool, accessories and tool bits etc.
in accordance with these instructions, taking into
account the working conditions and the work to
be performed. Use of the power tool for operations
different from those intended could result in a hazard-
ous situation.
• Keep handles and grasping surfaces dry, clean
and free from oil and grease. Slippery handles
and grasping surfaces do not allow for safe handling
and control of the tool in unexpected situations.
BATTERY TOOL USE AND CARE
• Recharge only with the charger specied by the
manufacturer. A charger that is suitable for one type
of battery pack may create a risk of re when used with
another battery pack.
• Use power tools only with specically designated
battery packs. Use of any other battery packs may
create a risk of injury and re.
• When battery pack is not in use, keep it away from
other metal objects, like paper clips, coins, keys,
nails, screws or other small metal objects, that can
make a connection from one terminal to another.
Shorting the battery terminals together may cause
burns or a re.
• Under abusive conditions, liquid may be ejected
from the battery; avoid contact. If contact ac-
3
• Place the drain cleaner at a distance no greater
than six inches from drain opening. If the drain
cleaner cannot be placed within six inches from
the drain opening, the drain opening will need to
be extended using a similar size pipe and ttings.
Greater distances can cause control problems leading
to twisting, kinking, breaking or whipping of the cable.
• One person must control both the trigger switch
and cable. If the tool stops rotating, the user must be
able to turn the tool off to prevent twisting, kinking,
breaking or whipping of the cable.
• Do not operate the drain cleaner in reverse rotation
except as described in this manual. Running the tool
in reverse for extended periods can cause damage to
the cable and accessories.
• Maintain labels and nameplates. These carry im-
portant information. If unreadable or missing, contact
a MILWAUKEE® service facility for a replacement.
•
WARNING
Some dust created by power sanding,
sawing, grinding, drilling, and other
construction activities contains chemicals known to
cause cancer, birth defects or other reproductive harm.
Some examples of these chemicals are:
• lead from lead-based paint
• crystalline silica from bricks and cement and other
masonry products, and
• arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on
how often you do this type of work. To reduce your
exposure to these chemicals: work in a well ventilated
area, and work with approved safety equipment, such
as those dust masks that are specially designed to
lter out microscopic particles.
FUNCTIONAL DESCRIPTION
1
9
2
10
6
4
3
8
7
1. Handle
2. Forward/reverse
switch
3. Fixed drum shield
4. Drum cover
5. Front handle/Slide action cable lock
6. Cable
7. Inner drum (Internal)
8. LED
9. Flat tool base
10. Trigger switch
5
SPECIFICATIONS
Cat. No. ......................................................M12 BDC8
Volts ...................................................................12 DC
No Load RPM ...................................................0 - 500
Battery Type ..................................................... M12™
Charger Type ....................................................M12™
cidentally occurs, ush with water. If liquid contacts eyes, additionally seek medical help. Liquid
ejected from the battery may cause irritation or burns.
• Do not use a battery pack or tool that is damaged or
modied. Damaged or modied batteries may exhibit
unpredictable behavior resulting in re, explosion or
risk of injury.
• Do not expose a battery pack or tool to re or excessive temperature. Exposure to re or temperature
above 265°F (130°C) may cause explosion.
• Follow all charging instructions and do not charge
the battery pack or tool outside the temperature
range specied in the instructions. Charging im-
properly or at temperatures outside the specied range
may damage the battery and increase the risk of re.
SERVICE
• Have your power tool serviced by a qualied repair
person using only identical replacement parts.
This will ensure that the safety of the power tool is
maintained.
• Never service damaged battery packs. Service of
battery packs should only be performed by the manu-
facturer or authorized service providers.
SPECIFIC SAFETY RULES FOR
DRAIN SNAKE
• Only grasp the rotating cable with gloves recom-
mended by the manufacturer. Latex or loose tting
gloves or rags can become wrapped around the cable
and may result in serious personal injury.
• Do not allow the cutter to stop turning while the
cable is turning. This can overstress the cable and
may cause twisting, kinking or breaking of the cable
and may result in serious personal injury.
• Use latex or rubber gloves inside the gloves rec-
ommended by the manufacturer, goggles, face
shields, protective clothing, and respirator when
chemicals, bacteria or other toxic or infectious substances are suspected to be in a drain line. Drains
may contain chemicals, bacteria and other substances
that may cause burns, be toxic or infectious or may
result in other serious personal injury.
• Practice good hygiene. Do not eat or smoke while
handling or operating the tool. After handling or
operating drain cleaning equipment, use hot, soapy
water to wash hands and other body parts exposed
to drain contents. This will help reduce the risk of health
hazards due to exposure to toxic or infectious material.
• Only use the drain cleaner for the recommended
drain sizes. Using the wrong size drain cleaner can
lead to twisting, kinking or breaking of the cable and
may result in personal injury.
• Inspect cable for wear and damage before use.
Replace a worn or damaged cable before using the
drain cleaner.
• Do not twist, kink or over bend cables. Breaking of
the cable may result in serious personal injury.
• Inspect the drain to be cleaned before use. If pos-
sible, determine the access point(s) to the drain, the
size(s) and length(s) of the drain, distance to mainlines,
the nature of the blockage, presence of drain clean-
ing chemicals or other chemicals, etc. If chemicals
are present in the drain, it is important to understand
the specic safety measures required to work around
those chemicals. Contact the chemical manufacturer
for required information.
• If needed, place protective covers in the work area.
The drain cleaning process can be messy.
• Make sure cable is fully retracted inside of the drain
cleaner. This will prevent whipping at start up.
4
2. Remove the four screws from the drum cover.
WARNING! The cable is under pressure and can
uncoil unexpectedly. Keep pressure on the cable so
it does not uncoil.
3. Hold the cable rmly from under the drum cover while
pulling off the front handle. The inner drum will be
exposed.
4. Feed the cable carefully back through the front handle
and tuck it into the inner drum. Set the front handle
aside.
5. Remove the inner drum with cable from the tool.
6. When cleaning or maintaining the cable, carefully
uncoil the cable from the inner drum. Follow the
cleaning instructions under "Maintenance".
To install the cable:
1. Remove the battery pack and set the front handle to
the unlocked position by pulling it out, away from
the tool.
2. Fully wind the clean, dry cable into the inner drum in
the direction of the arrow.
3. Place the inner drum with cable back into the tool.
4. Carefully pull the cable tip out of the inner drum and
feed it through the front handle. WARNING! The
cable is under pressure and can uncoil unexpectedly.
Keep pressure on the cable so it does not uncoil.
5. Place the front handle over the inner drum and reinstall the four screws. Tighten securely.
6. Remove the protective tip cover from new cables
before use.
OPERATION
WARNING
Always remove battery pack before
changing or removing accessories.
Only use accessories specically recommended
for this tool. Others may be hazardous.
To reduce the risk of injury, wear safety goggles
or glasses with side shields. Always wear leather
gloves.
Using Forward/Reverse Switch
1. For forward (clockwise) rotation, push in the forward/
reverse switch from the right side of the tool ►. Check
the direction of rotation before use.
2. For reverse (counterclockwise) rotation, push in the
forward/reverse switch from the left side of the tool
◄. Check direction of rotation before use.
3. To lock the trigger, push the forward/reverse switch
to the center position. The trigger will not work while
the forward/reverse switch is in the center locked
position. Always lock the trigger or remove the bat-
tery pack before performing maintenance, changing
accessories, storing the tool and any time the tool is
not in use.
Starting, Stopping and Controlling Speed
This tool may be used at any speed from 0 RPM to
full speed.
1. To start the tool, pull the trigger.
2. To vary the driving speed, increase or decrease pressure on the trigger. The further the trigger is pulled,
the greater the speed.
3. To stop the tool, release the trigger.
Inserting Cable Into Drain
1. Set the front handle to the unlocked position and
the forward/reverse switch to the forward position ►.
SYMBOLOGY
Volts
Direct Current
No-Load Revolutions per Minute (RPM)
Only wear leather gloves
ASSEMBLY
WARNING
Recharge only with the charger
specied for the battery. For specic 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.
WARNING
Always remove battery pack before
changing or removing accessories.
To insert the battery, slide the pack into the body of the
tool. Make sure it latches securely into place.
WARNING
Only use accessories specically
recommended for this tool. Others
may be hazardous.
Always store tool in its bucket with insert to avoid
damage to the cable.
CAUTION
To prevent damage to the cable, do not
use in larger diameter pipes.
Cable Installation
WARNING
To reduce the risk of injury, wear
safety goggles or glasses with side
shields. Always wear leather gloves. The cable is
under pressure and can uncoil unexpectedly. Cable
tip may be sharp.
Remove the cable for cleaning after each use. Different size and types of cables are available for different
applications.
To remove the cable:
1. Remove the battery pack and set the front handle to
the unlocked position by pulling it out, away from
the tool.
Regulatory Compliance Mark (RCM).
Product meets applicable regulatory
requirements.
Selecting the Proper Cable
Cat. No.
Cable
Size
Cable
Style
Pipe
Diameter
48-53-2571 1 1/4" to 2 1/2"
1 1/4" to 2"
Bulb
5/16" x 25'
(7.9mm x 7.6m)
48-53-2572
48-53-2573
48-53-2574
Drop Head
1 1/4" to 2 1/2"
1/4" x 25'
(6.3mm x 7.6m)
1 1/4" to 2"
Bulb
Drop Head
5/16" x 25'
(7.9mm x 7.6m)
1/4" x 25'
(6.3mm x 7.6m)
5
NOTE: The cable is not attached to the inner drum. Use
care to insure that it does not come out of the tool. There
is a cable end indicator bulb
approximately
1 m away from the rear end of the cable to indicate a low
remaining distance.
5. When the clog is reached, pull the front handle into
the locked position
. Move the tool and cable in a
back and forth motion until the obstruction is cleared.
If the tool binds, release the trigger immediately.
Repeat until the drain is clear.
To Unbind Drain Snake
1. Set the front handle to the unlocked position and
the forward/reverse switch to the reverse position ◄.
2. Withdraw the tool a few inches while in reverse to
free the cable.
3. Stop the tool.
4. After the tool has come to a complete stop, switch
back to the forward position.
CAUTION
Running th e tool in reverse f o r
extended periods can cause damage
to the cable and accessories.
Removing Cable From Drain
1. Set the front handle to the unlocked position and
the forward/reverse switch to the forward position ►.
2.
-
3. Release the trigger.
4. Wipe the exposed cable with a rag and feed it back
into the tool.
5. Repeat steps 2-4 until the cable is free from the drain.
6. Before storing the tool, wash the cable and drum
(see "Cleaning Cables, Drums and Buckets" in
Maintenance).
MAINTENANCE
WARNING
To reduce the risk of injury, always
unplug the charger and remove the
battery pack from the charger or tool before per
-
forming 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 properly, return
the tool, charger and battery pack, to a MILWAUKEE
®
service facility for repairs.
WARNING
To reduce the risk of personal injury
and damage, never immerse your
tool, battery pack or charger in liquid or allow a
Cleaning
Clean dust and debris from vents. Keep handles clean,
dry and free of oil or grease. Use only mild soap and a
damp cloth to clean, since certain cleaning 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 detergents containing
ammonia. Nev
around tools.
Cleaning Cables, Covers, Drums
and Buckets
Cables, covers, drums and buckets should be thorough-
-
ing effects of sediment and drain cleaning compounds.
WARNING! Wear leather gloves. After washing, dry the
cable, cover and drum completely. Then, wipe cable with
an oiled rag before returning it to the drum according to
the instructions in "Cable Installation".
Repairs
For repairs, return the tool, battery pack and charger to
the nearest service center.
ACCESSORIES
WARNING
Use only recommended accessories.
Others may be hazardous.
2.
NOTE: To avoid
fatigue or
to free a hand for easier
cable feeding, the tool can
be placed on the flat
tool base during use.
3. Pull the trigger to begin rotating the cable.
NOTE: The cable can be fed without pulling the trigger,
but it may feed more easily while rotating.
4.
Pull at least 450 mm of
the cable from the tool.
Insert at least 300 mm of
cable into the drain,
placing the drain cleaner
no more than 150mm
from the drain opening.
WARNING! Greater
distance can cause
twisting, kinking,
breaking or whipping of
the cable.
WARNING! Wear leather gloves.Grasp the cable
close to the tool and feed it into the drain about 150
mm at a time until the obstruction is reached.
Pull the trigger slightly and pull the tool back to
remove about 300 mm of cable from the drain.
For a complete listing of accessories refer to your
MILWAUKEE
®
Tool catalog or go online to
www.milwaukeetools.com.au /
www.milwaukeetools.co.nz. To obtain a catalog,
contact your local distributor or a service centre.
For a list of MILWAUKEE® dealers, guarantee or service agents please contact MILWAUKEE
®
Customer Service or visit our website.
(Australia Toll Free Telephone Number 1300 361 505)
(New Zealand Toll Free Telephone Number 0800 279 624)
or visit www.milwaukeetools.com.au / www.milwaukeetools.co.nz.
Milwaukee Electric Tool Corporation
13135 West Lisbon Road, Brookfield, Wisconsin U.S.A. 53005
Milwaukee Electric Tool Corporation (Australia)
Techtronic Industries (Australia) Pty. Ltd.
Rowville, Victoria, Australia, 3178
Milwaukee Electric Tool Corporation (New Zealand)
Techtronic Industries (New Zealand) Pty. Ltd.
Mangere, Auckland, New Zealand, 2022
Professionally made in China for Milwaukee Electric Tool Corporation
WARRANTY - AUSTRALIA and NEW ZEALAND
SERVICE - AUSTRALIA and NEW ZEALAND
MILWAUKEE®prides itself in producing a premium quality product that is Nothing But Heavy Duty®.
Your satisfaction with our products is very important to us! If you encounter any problems with the
operation of this tool, please contact your authorised MILWAUKEE® dealer.
Please refer to Australian and New Zealand warranty supplied with tool. This warranty applies only to
product sold in Australia and New Zealand.
961012100-01(A)
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