Milwaukee M18 FUEL 2830-20 User manual

Cat. No.
2830-20
M18 FUEL™ 7-1/4" REAR HANDLE CIRCULAR SAW
OPERATOR'S MANUAL
WARNING To reduce the risk of injury, user must read and understand operator's manual.

2
GENERAL POWER TOOL
SAFETY WARNINGS
WARNING
Read all safety warnings, instruc-
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tions provided with this power tool. Failure to
follow all instructions listed below may result in
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warnings and instructions for future reference.
The term "power tool" in the warnings refers to your
mains-operated (corded) power tool or battery-oper-
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WORK AREA SAFETY
•Keep work area clean and well lit. Cluttered or
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•Do not operate power tools in explosive atmo-
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ing a power tool. Distractions can cause you to lose
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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. 8QPRGL¿HGSOXJVDQGPDWFKLQJRXWOHWVZLOO
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surfaces, such as pipes, radiators, ranges and
refrigerators. There is an increased risk of electric
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•Do not expose power tools to rain or wet condi-
tions. Water entering a power tool will increase the
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carrying, pulling or unplugging the power tool.
Keep cord away from heat, oil, sharp edges or
moving parts. Damaged or entangled cords increase
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•When operating a power tool outdoors, use an
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a cord suitable for outdoor use reduces the risk of
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•If operating a power tool in a damp location is
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(GFCI) protected supply. Use of an GFCI reduces
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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
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moment of inattention while operating power tools
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wear eye protection. Protective equipment such
as a dust mask, non-skid safety shoes, hard hat or
hearing protection used for appropriate conditions
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•Prevent unintentional starting. Ensure the switch
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the tool. &DUU\LQJSRZHUWRROVZLWK\RXU¿QJHURQ
the switch or energizing power tools that have the
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turning the power tool on. A wrench or a key left
attached to a rotating part of the power tool may
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•Do not overreach. Keep proper footing and
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•Dress properly. Do not wear loose clothing or
jewelry. Keep your hair and clothing away from
moving parts. /RRVHFORWKHVMHZHOU\RUORQJKDLU
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•If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used. Use of
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ignore tool safety principles. A careless action can
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POWER TOOL USE AND CARE
•Do not force the power tool. Use the correct power
tool for your application. The correct power tool
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•Do not use the power tool if the switch does not
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controlled with the switch is dangerous and must be
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•Disconnect the plug from the power source and/
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changing accessories, or storing power tools.
Such preventive safety measures reduce the risk of
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•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
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•Maintain power tools and accessories. Check
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accidents are caused by poorly maintained power
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•Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
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etc. in accordance with these instructions,
taking into account the working conditions and
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•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
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BATTERY TOOL USE AND CARE
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manufacturer. A charger that is suitable for one type
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EDWWHU\SDFNVUse of any other battery packs may
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3
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that can make a connection from one terminal
to another. Shorting the battery terminals together
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contacts eyes, additionally seek medical help.
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excessive temperature. ([SRVXUHWR¿UHRUWHP-
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•Follow all charging instructions and do not charge
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range may damage the battery and increase the risk
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SERVICE
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repair person using only identical replacement
parts. This will ensure that the safety of the power
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of battery packs should only be performed by the
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SPECIFIC SAFETY RULES FOR
CIRCULAR SAWS
Cutting procedures
•
DANGER
Keep hands away from cutting area
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hand on auxiliary handle, or motor housing. If both
hands are holding the saw, they cannot be cut by the
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•Do not reach underneath the workpiece. The guard
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•Adjust the cutting depth to the thickness of the
workpiece. Less than a full tooth of the blade teeth
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•Never hold the workpiece in your hands or across
your leg while cutting. Secure the workpiece to a
VWDEOHSODWIRUP It is important to support the work
properly to minimize body exposure, blade binding,
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faces when performing an operation where the
cutting tool may contact hidden wiring. Contact
with a “live” wire will also make exposed metal parts
of the power tool “live” and could give the operator
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•When ripping, always use a rip fence or straight
edge guide. This improves the accuracy of cut and
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GLDPRQGYHUVXVURXQGRIDUERXUKROHVBlades
that do not match the mounting hardware of the saw
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RUEROWThe blade washers and bolt were specially
designed for your saw, for optimum performance and
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Further safety instructions for all saws
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or misaligned saw blade, causing an uncontrolled saw
to lift up and out of the workpiece toward the operator;
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kerf closing down, the blade stalls and the motor reac-
tion drives the unit rapidly back toward the operator;
-If the blade becomes twisted or misaligned in the cut,
the teeth at the back edge of the blade can dig into
the top surface of the wood causing the blade to climb
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operating procedures or conditions and can be avoided
by taking proper precautions as given below:
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SRVLWLRQ\RXUDUPVWRUHVLVWNLFNEDFNIRUFHV3RVL-
WLRQ\RXUERG\WRHLWKHUVLGHRIWKHEODGHEXWQRW
LQOLQHZLWKWKHEODGHKickback could cause the saw
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WUROOHGE\WKHRSHUDWRULISURSHUSUHFDXWLRQVDUHWDNHQ
:KHQ EODGH LV ELQGLQJ RU ZKHQ LQWHUUXSWLQJ D
cut for any reason, release the trigger and hold
the saw motionless in the material until the
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to remove the saw from the work or pull the saw
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may occur. Investigate and take corrective actions
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•When restarting a saw in the workpiece, centre the
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not engaged into the material. If saw blade binds,
it may walk up or kickback from the workpiece as the
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SLQFKLQJDQG NLFNEDFNLarge panels tend to sag
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under the panel on both sides, near the line of cut
DQGQHDUWKHHGJHRIWKHSDQHO
'RQRWXVHGXOORUGDPDJHGEODGHVUnsharpened
or improperly set blades produce narrow kerf causing
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%ODGH GHSWK DQG EHYHO DGMXVWLQJ ORFNLQJ OHYHUV
PXVW EH WLJKW DQG VHFXUH EHIRUH PDNLQJ FXW If
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ELQGLQJDQGNLFNEDFN
•Use extra caution when sawing into existing walls
RURWKHUEOLQGDUHDVThe protruding blade may cut
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Lower guard function
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use. Do not operate the saw if lower guard does
not move freely and close instantly. Never clamp
or tie the lower guard into the open position. If
saw is accidentally dropped, the lower guard may be
EHQW5DLVHWKHORZHUJXDUGZLWKWKHUHWUDFWLQJKDQGOH
and make sure it moves freely and does not touch the
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•Check the operation of the lower guard spring.
If the guard and the spring are not operating
SURSHUO\WKH\PXVWEHVHUYLFHGEHIRUHXVHLower
guard may operate sluggishly due to damaged parts,
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7KH ORZHU JXDUG PD\ EH UHWUDFWHG PDQXDOO\
only for special cuts such as “plunge cuts” and
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KDQGOHDQGDVVRRQDVEODGHHQWHUVWKHPDWHULDO
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4
FUNCTIONAL DESCRIPTION
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knob
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 5DIWHUKRRN
ASSEMBLY
WARNING
Recharge only with the charger
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Removing/Inserting the Battery
To remove the battery, push in the release buttons
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WARNING
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changing or removing accessories.
To insert the battery, slide the pack into the body
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•Alw D\VREVHUYHWKDWWKHORZHUJXDUGLVFRYHULQJ
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ÀRRUAn unprotected, coasting blade will cause the
saw to walk backwards, cutting whatever is in its
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•
WARNING
To reduce the risk of injury in ap-
plications that produce a consid-
HUDEOHDPRXQWRIGXVWXVHDQ26+$FRPSOLDQW
dust extraction solution in accordance with the
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$OZD\VXVHFRPPRQVHQVHDQGEHFDXWLRXVZKHQ
using tools. It is not possible to anticipate every
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Do not use this tool if you do not understand these
operating instructions or you feel the work is beyond
your capability; contact Milwaukee Tool or a trained
SURIHVVLRQDOIRUDGGLWLRQDOLQIRUPDWLRQRUWUDLQLQJ
•0DLQWDLQ ODEHOV DQG QDPHSODWHV These carry
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contact a MILWAUKEE service facility for a free
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•
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
KDUP6RPHH[DPSOHVRIWKHVHFKHPLFDOVDUH
•lead from lead-based paint
•crystalline silica from bricks and cement and other
masonry products, and
•arsenic and chromium from chemically-treated
OXPEHU
Your risk from these exposures varies, depending on
KRZRIWHQ\RXGRWKLVW\SHRIZRUN7RUHGXFH\RXU
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
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SYMBOLOGY
Volts
Direct Current
1R/RDG5HYROXWLRQVSHU0LQXWH530
CUS 8//LVWLQJIRU&DQDGDDQG86
SPECIFICATIONS
Cat. No...................................................... 2830-20
Volts 18 DC
Battery TypeM18™
Charger TypeM18™
5HFRPPHQGHG$PELHQW
Operating Temperature0°F to 125°F
1R/RDG5305800
Blade Size 
Arbor Diamond
Depth of Cut at 90° WR
Depth of Cut at 45° WR

5
WARNING
2QO\XVHDFFHVVRULHVVSHFL¿FDOO\
recommended for this tool. Others
PD\EHKD]DUGRXV
Selecting Blade
6HOHFWDEODGHDSSURSULDWHIRU\RXUDSSOLFDWLRQ5HIHU
to the “Accessories” section for a list of blades to be
XVHGIRUWKHSURSHUDSSOLFDWLRQVRIWKLVWRRO
Sharp
blade
Dull
blade
Set
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ORDGWKHWRRODQGLQFUHDVHWKHFKDQFHRI.,&.%$&.
Only use thin kerf blades with a maximum safe oper-
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WKHWRROVQDPHSODWH5HDGWKHEODGHPDQXIDFWXUHUV
LQVWUXFWLRQVEHIRUHXVH'RQRWXVHDQ\W\SHRIDEUD-
VLYHFXWRႇZKHHORUGU\GLDPRQGFXWWLQJEODGHV8VH
WKHFRUUHFWEODGHW\SHIRU\RXUDSSOLFDWLRQ8VLQJWKH
wrong blade may result in reduced performance or
GDPDJH WR WKH EODGH 'R QRW XVH EODGHV WKDW DUH
FUDFNHGRUKDYHEURNHQWHHWK'RQRWVKDUSHQIHUURXV
metal cutting blades; see the blade manufacturer's
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WARNING! 2QO\XVHEODGHVZLWKGLDPRQGDUERUV
For blades with a knockout arbor, use the wrench
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Rip & Crosscut
A multi-purpose blade for ripping, cross cutting
and mitering in hardwoods, softwoods, plywood
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Framing-Rip
Designed for fast and accurate ripping along
the grain in hard-or softwoods where a smooth
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Plywood-Veneer
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materials and all types of wood where a slightly
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Finish & Trim
Especially designed for cross cutting and mi-
tering in materials where a very smooth cut is
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Checking the Operation of the Lower Guard
Check the operation and condition of the lower guard
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SURSHUO\WKH\PXVWEHVHUYLFHGEHIRUHXVH/RZHU
guard may operate sluggishly due to damaged parts,
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 5HPRYH IURP EDWWHU\ SDFN EHIRUH FKHFNLQJ WKH
ORZHUJXDUG
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NOTE: This procedure will not show proper lower
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WKHZD\EDFNLQWRWKHEODGHKRXVLQJ
 5HOHDVHWKHORZHUJXDUG
•If the guard immediately springs back into place,
it is working correctly and you may continue with
XVH
• If the guard does not immediate spring back
into place, clean the upper and lower guards to
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WKHRSHUDWLRQDJDLQE\VWDUWLQJZLWKVWHS
• If the guard still does not immediately spring back
into place, contact a MILWAUKEE service facility
IRUUHSDLUV
Installing Blade
 5HPRYHIURPEDWWHU\SDFN
7RUHPRYHEODGHEROWIURPVSLQGOHSXVKLQVSLQGOH
lock button while turning bolt clockwise with the
ZUHQFK SURYLGHG ZLWK WRRO XQWLO VSLQGOH ORFNV
5HPRYHRXWHUEODGHZDVKHUDQGVSULQJZDVKHU
Spindle
lock
button
NOTE:'RQRWUHPRYHLQQHUEODGHÀDQJH/DUJH
GLDPHWHURILQQHUÀDQJHVKRXOGIDFHWKHEODGH
Inner
blade
ÀDQJH
Blade
Blade
bolt
Outer
blade
washer
3XVKORZHUJXDUGOHYHUXSWRUDLVHORZHUJXDUG
Place blade on spindle with teeth pointing the same
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ORZHUJXDUGOHYHU
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EODGHEROWRQVSLQGOH
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WHUFORFNZLVHZLWKWKHZUHQFKXQWLOVSLQGOHORFNV
7LJKWHQEROWVHFXUHO\
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clean dirt and sawdust from spindle, washers, upper
JXDUGDQGORZHUJXDUGDIWHUXVH

6
Adjusting Depth
5HPRYHIURPEDWWHU\SDFN
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EHQFKDQGSXOOXSGHSWKDGMXVWLQJOHYHU
Lower
guard
lever
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ORZHUVDZWRGHVLUHGSRVLWLRQ/RZHULQJVDZZLOO
LQFUHDVHGHSWKRIFXW5DLVLQJVDZZLOOGHFUHDVH
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8VHWKHGHSWKRIFXWVFDOHIRUVWDQGDUGGHSWKV
3XVKGRZQGHSWKDGMXVWLQJOHYHUWRORFN&KHFNWR
EHVXUHGHSWKDGMXVWLQJOHYHULVVHFXUH
Adjusting Miter Angle
5HPRYHIURPEDWWHU\SDFN
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EHQFKDQGSXOOXSPLWHUDGMXVWLQJOHYHU
+ROGGRZQVKRHDQGVOLGHVDZWRGHVLUHGSRVLWLRQ
XSWRÛDFFRUGLQJWRPDUNLQJVRQPLWHUVFDOH
3XVKGRZQPLWHUOHYHUWRORFN&KHFNDQJOHZLWKD
VTXDUH$OVRFKHFNWREHVXUHPLWHUDGMXVWLQJOHYHU
LVVHFXUHEHIRUHFXWWLQJ
Universal Hose Adaptor
Use the universal hose adapter to
DWWDFKWKHVDZWRDYDFXXPKRVH
 5HPRYHWKHEDWWHU\SDFN
 5HPRYH WKH VFUHZ DQG GXVW
FKXWHIURPWKHXSSHUJXDUG
 ,QVHUWWKHYDFXXPKRVHDGDS-
tor into the upper guard and
WLJKWHQWKHVFUHZVHFXUHO\
 &RQQHFW WKH YDFXXP KRVH WR
the adapter, twisting together
WRVHFXUH
 7R remove, reverse the proce-
GXUH
WARNING
Always use either the dust chute
or vacuum hose adaptor/vacuum.
Failure to do so could cause dust or foreign
REMHFWVWREHWKURZQLQWR\RXUIDFHRUH\HVZKLFK
FRXOGUHVXOWLQSRVVLEOHVHULRXVLQMXU\
OPERATION
WARNING
To reduce the risk of injury, always
wear proper eye protection marked
to comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
.HHSKDQGVDZD\IURPWKHEODGHDQGRWKHUPRY-
LQJ SDUWV 8VH RQO\ VSHFL¿FDOO\ UHFRPPHQGHG
DFFHVVRULHV2WKHUVPD\EHKD]DUGRXV
.LFNEDFNFDXVHVDQGUHODWHGZDUQLQJV
– Kickback is a sudden reaction to a pinched, bound
or misaligned saw blade, causing an uncontrolled
saw to lift up and out of the workpiece toward the
operator;
– When the blade is pinched or bound tightly by the
kerf closing down, the blade stalls and the motor
reaction drives the unit rapidly back toward the
operator;
– If the blade becomes twisted or misaligned in the
cut, the teeth at the back edge of the blade can dig
into the top surface of the wood causing the blade
WRFOLPERXWRIWKHNHUIDQGMXPSEDFNWRZDUGWKH
RSHUDWRU
Kickback
.LFNEDFNLVWKHUHVXOWRIVDZPLVXVHDQGRULQFRU-
rect operating procedures or conditions and can be
avoided by taking proper precautions as given below:
0DLQWDLQD¿UPJULSZLWKERWKKDQGVRQWKHVDZ
DQGSRVLWLRQ\RXUDUPVWRUHVLVWNLFNEDFNIRUFHV
3RVLWLRQ\RXUERG\WRHLWKHUVLGHRIWKHEODGHEXW
QRWLQOLQHZLWKWKHEODGHKickback could cause
WKHVDZWRMXPSEDFNZDUGVEXWNLFNEDFNIRUFHVFDQ
be controlled by the operator, if proper precautions
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:KHQEODGHLVELQGLQJRUZKHQLQWHUUXSWLQJD
cut for any reason, release the trigger and hold
the saw motionless in the material until the
EODGHFRPHVWRDFRPSOHWHVWRS1HYHUDWWHPSW
to remove the saw from the work or pull the saw
EDFNZDUGZKLOHWKHEODGHLVLQPRWLRQRUNLFN-
EDFNPD\RFFXU Investigate and take corrective
DFWLRQVWRHOLPLQDWHWKHFDXVHRIEODGHELQGLQJ
•When restarting a saw in the workpiece, centre
WKH VDZ EODGH LQ WKH NHUI DQG FKHFN WKDW VDZ
teeth are not engaged into the material. If saw
blade is binding, it may walk up or kickback from the
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7
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•Support large panels to minimise the risk of
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placed under the panel on both sides, near the line
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'RQRWXVHGXOORUGDPDJHGEODGHVUnsharpened
or improperly set blades produce narrow kerf caus-
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plastics is permitted, to avoid melting the plastic.
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•Use extra caution when sawing into existing
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Tighten depth and
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securely
Set depth of cut
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thickness of stock
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part of workpiece,
allowing smaller part
to fall away
Secure work-
piece to sturdy
supports
Firm
footing
in clean
area
Wear safety
goggles
Grip saw with
both hands,
keeping hands
away from
blade
General Operation
Always clamp workpiece securely on a saw horse
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switch handle with one hand and top handle with
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allowing motor to reach full speed before beginning
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correcting direction, allow blade to come to a
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in kerf, back saw away from cutting edge a few
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and blade comes to a complete stop before setting
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8
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If blade does not want to follow straight line:
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• Shoe is out of line or bent
• Blade is bent
• Failure to use rip fence or guide
If blade binds, smokes, or turns blue from friction:
• Blade is dull
• Blade is on backwards
• Blade is bent
• Blade is dirty
• Workpiece is not properly supported
• Failure to use correct blade
APPLICATIONS
WARNING
To reduce the risk of electric shock,
check work area for hidden pipes
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Cutting Large Panels
Large panels and long boards sag or bend if they are
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leveling and properly supporting the piece, the blade
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cut so that you cut through workpiece only and not
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Ripping Wood
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measurement with the sighting notch and lock setting
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When ripping widths greater than 4", clamp or tack
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Cross-Cutting Wood
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Pocket Cutting
Pocket cuts are made in the middle of the workpiece
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using a Sawzall®IRUWKLVW\SHRIFXW+RZHYHULI\RX
must use a circular saw to make a pocket cut, USE
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Using front of shoe as a hinge point, gradually lower
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come to a complete stop before removing it from
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Cutting Masonry and Metal
MILWAUKEE circular saws are not intended for con-
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does not recommend using bonded abrasive wheels
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WARNING
Dust, chips, and grit can cause
guard to hang up at any time. If saw
is used to cut masonry or metal, reserve and mark
it for that purpose only and return it to a
MILWAUKEE service facility for cleaning and
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Only use accessories with maximum speed rating
at least as high as nameplate RPM of tool.
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WARNING
Do not use tool for cutting metal
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MAINTENANCE
WARNING
To reduce the risk of injury, always
unplug the charger and remove the
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MILWAUKEE service facility for ALL repairs.
Maintaining Tool
Keep your tool, battery pack and charger in good
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Inspect your tool for issues such as undue noise,
misalignment or binding of moving parts, breakage of
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WRD0,/:$8.((VHUYLFHIDFLOLW\IRUUHSDLU$IWHUVL[
months to one year, depending on use, return the
tool, battery pack and charger to a MILWAUKEE
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If the tool does not start or operate at full power with
a fully charged battery pack, clean the contacts on
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erly, return the tool, charger and battery pack, to a
0,/:$8.((VHUYLFHIDFLOLW\IRUUHSDLUV
WARNING
To reduce the risk of personal in-
jury and damage, never immerse
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Cleaning
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soap and a damp cloth to clean, since certain clean-
ing agents and solvents are harmful to plastics and
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turpentine, lacquer thinner, paint thinner, chlorinated
cleaning solvents, ammonia and household deter-
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Repairs
For repairs, return the tool, battery pack and charger
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ACCESSORIES
WARNING
Use only recommended accesso-
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