Milwaukee 5263-20 User manual

Type
User manual
TO REDUCE THE RISK OF INJURY, USER MUST READ AND UNDERSTAND OPERATOR'S
MANUAL.
OPERATOR'S MANUAL
Cat. No.
5263-20
5/8" SDS PLUS ROTARY HAMMER
SDS
PLUS
GENERAL POWER TOOL SAFETY WARNINGS
WORK AREA SAFETY
.HHSZRUNDUHDFOHDQDQGZHOOOLW Cluttered or
dark areas invite accidents.
'RQRWRSHUDWHSRZHUWRROVLQH[SORVLYHDWPRV-
SKHUHVVXFKDVLQWKHSUHVHQFHRIÀDPPDEOH
OLTXLGVJDVHVRUGXVW Power tools create sparks
which may ignite the dust or fumes.
.HHS FKLOGUHQ DQG E\VWDQGHUV DZD\ ZKLOH
RSHUDWLQJDSRZHUWRRO Distractions can cause
you to lose control.
ELECTRICAL SAFETY
3RZHUWRROSOXJVPXVWPDWFKWKHRXWOHW1HYHU
PRGLI\WKHSOXJLQDQ\ZD\ 'R QRW XVH DQ\
DGDSWHUSOXJVZLWKHDUWKHGJURXQGHGSRZHU
WRROV8QPRGL¿HGSOXJVDQGPDWFKLQJRXWOHWVZLOO
reduce risk of electric shock.
$YRLGERG\FRQWDFWZLWKHDUWKHGRUJURXQGHG
VXUIDFHVVXFKDVSLSHVUDGLDWRUVUDQJHVDQG
UHIULJHUDWRUVThere is an increased risk of electric
shock if your body is earthed or grounded.
'RQRWH[SRVHSRZHUWRROVWRUDLQRUZHWFRQGL-
WLRQVWater entering a power tool will increase
the risk of electric shock.
'RQRWDEXVHWKHFRUG1HYHUXVHWKHFRUGIRU
FDUU\LQJSXOOLQJRUXQSOXJJLQJWKHSRZHUWRRO
.HHS FRUG DZD\ IURP KHDW RLO VKDUS HGJHV
RUPRYLQJSDUWVDamaged or entangled cords
increase the risk of electric shock.
:KHQRSHUDWLQJDSRZHUWRRORXWGRRUVXVHDQ
H[WHQVLRQFRUGVXLWDEOHIRURXWGRRUXVHUse
of a cord suitable for outdoor use reduces the risk
of electric shock.
,IRSHUDWLQJDSRZHUWRROLQDGDPSORFDWLRQLV
XQDYRLGDEOHXVHDJURXQGIDXOWFLUFXLWLQWHU-
UXSWHU*)&,SURWHFWHGVXSSO\Use of an GFCI
reduces the risk of electric shock.
PERSONAL SAFETY
6WD\DOHUWZDWFKZKDW\RXDUHGRLQJDQGXVH
FRPPRQVHQVHZKHQRSHUDWLQJDSRZHUWRRO
'RQRWXVHDSRZHUWRROZKLOH\RXDUHWLUHGRU
XQGHUWKHLQÀXHQFHRIGUXJVDOFRKRORUPHGL-
FDWLRQA moment of inattention while operating
power tools may result in serious personal injury.
8VH SHUVRQDO SURWHFWLYH HTXLSPHQW$OZD\V
ZHDUH\HSURWHFWLRQ Protective equipment such
as dust mask, non-skid safety shoes, hard hat, or
hearing protection used for appropriate conditions
will reduce personal injuries.
3UHYHQW XQLQWHQWLRQDO VWDUWLQJ (QVXUH WKH
VZLWFKLVLQWKHRIISRVLWLRQEHIRUHFRQQHFWLQJ
WRSRZHUVRXUFHDQGRUEDWWHU\SDFNSLFNLQJ
XSRUFDUU\LQJWKHWRROCarrying power tools with
\RXU¿QJHURQWKHVZLWFKRUHQHUJLVLQJSRZHUWRROV
that have the switch on invites accidents.
5HPRYHDQ\DGMXVWLQJ NH\RUZUHQFK EHIRUH
WXUQLQJWKHSRZHUWRRORQA wrench or a key left
attached to a rotating part of the power tool may
result in personal injury.
'R QRW RYHUUHDFK .HHS SURSHU IRRWLQJ DQG
EDODQFHDWDOOWLPHV This enables better control
of the power tool in unexpected situations.
'UHVVSURSHUO\'RQRWZHDUORRVHFORWKLQJRU
MHZHOOHU\.HHS\RXUKDLUFORWKLQJDQGJORYHV
DZD\IURPPRYLQJSDUWV Loose clothes, jewel-
lery or long hair can be caught in moving parts.
,IGHYLFHVDUHSURYLGHGIRUWKHFRQQHFWLRQRI
GXVWH[WUDFWLRQDQGFROOHFWLRQIDFLOLWLHVHQVXUH
WKHVHDUHFRQQHFWHGDQGSURSHUO\XVHGUse of
dust collection can reduce dust-related hazards.
POWER TOOL USE AND CARE
'RQRWIRUFHWKHSRZHUWRRO8VHWKHFRUUHFW
SRZHU WRRO IRU \RXU DSSOLFDWLRQ The correct
power tool will do the job better and safer at the
rate for which it was designed.
'RQRWXVHWKHSRZHUWRROLIWKHVZLWFKGRHVQRW
WXUQLWRQDQGRII Any power tool that cannot be
controlled with the switch is dangerous and must
be repaired.
'LVFRQQHFW WKH SOXJ IURP WKH SRZHU VRXUFH
DQGRU WKH EDWWHU\ SDFN IURP WKH SRZHU WRRO
EHIRUH PDNLQJ DQ\ DGMXVWPHQWV FKDQJLQJ
DFFHVVRULHVRUVWRULQJSRZHUWRROVSuch pre-
ventive safety measures reduce the risk of starting
the power tool accidentally.
6WRUHLGOHSRZHUWRROVRXWRIWKHUHDFKRIFKLO-
GUHQDQGGRQRWDOORZSHUVRQVXQIDPLOLDUZLWK
WKHSRZHUWRRORUWKHVHLQVWUXFWLRQVWRRSHUDWH
WKHSRZHUWRROPower tools are dangerous in the
hands of untrained users.
0DLQWDLQSRZHUWRROV&KHFNIRUPLVDOLJQPHQW
RUELQGLQJRIPRYLQJSDUWVEUHDNDJHRISDUWV
DQG DQ\ RWKHU FRQGLWLRQ WKDW PD\ DIIHFW WKH
SRZHUWRRO¶VRSHUDWLRQ,IGDPDJHGKDYHWKH
SRZHUWRROUHSDLUHGEHIRUHXVHMany accidents
are caused by poorly maintained power tools.
.HHSFXWWLQJWRROV VKDUSDQGFOHDQ Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
8VHWKHSRZHUWRRODFFHVVRULHVDQGWRROELWV
HWFLQDFFRUGDQFHZLWKWKHVHLQVWUXFWLRQVWDN-
LQJLQWRDFFRXQWWKHZRUNLQJFRQGLWLRQVDQG
WKHZRUNWREHSHUIRUPHGUse of the power tool
for operations different from those intended could
result in a hazardous situation.
SERVICE
+DYH\RXUSRZHUWRROVHUYLFHGE\DTXDOL¿HG
UHSDLUSHUVRQXVLQJRQO\LGHQWLFDOUHSODFHPHQW
SDUWVThis will ensure that the safety of the power
tool is maintained.
WARNING READ ALL SAFETY WARNINGS AND ALL INSTRUCTIONS)DLOXUHWR
IROORZWKHZDUQLQJVDQGLQVWUXFWLRQVPD\UHVXOWLQHOHFWULFVKRFN¿UHDQGRUVHULRXVLQMXU\Save
all warnings and instructions for future reference
.7KHWHUP³SRZHUWRRO´LQWKHZDUQ-
LQJVUHIHUVWR\RXUPDLQVRSHUDWHGFRUGHGSRZHUWRRORUEDWWHU\RSHUDWHGFRUGOHVVSRZHUWRRO
SPECIFIC SAFETY RULES
:HDUHDUSURWHFWRUVExposure to noise can cause
hearing loss.
8VH DX[LOLDU\ KDQGOHV LI VXSSOLHG ZLWK WKH
tool. Loss of control can cause personal injury.
+ROG SRZHU WRROV E\ LQVXODWHG JULSSLQJ VXU-
IDFHV ZKHQ SHUIRUPLQJ DQ RSHUDWLRQ ZKHUH
WKHFXWWLQJWRROPD\FRQWDFWKLGGHQZLULQJRU
LWVRZQFRUGCutting accessory contacting a “live”
wire may make exposed metal parts of the power
tool “live” and could give the operator an electric
shock.
0DLQWDLQ ODEHOV DQG QDPHSODWHV These carry
important information. If unreadable or missing,
contact a MILWAUKEE service facility for a free
replacement.
:$51,1* 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
FU\VWDOOLQHVLOLFDIURPEULFNVDQGFHPHQWDQG
other masonry products, and
DUVHQLFDQGFKURPLXPIURPFKHPLFDOO\WUHDWHG
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 spe-
FLDOO\GHVLJQHGWR¿OWHURXWPLFURVFRSLFSDUWLFOHV
FUNCTIONAL DESCRIPTION
SYMBOLOGY
Double Insulated
Amperes
Volts
Alternating Current
BPM
Blows per Minute (BPM)
Anti-Vibration System
No Load Revolutions
per Minute (RPM)
Underwriters Laboratories, Inc.
United States and Canada
Mexican Approvals Marking
1. Side handle
2. Clamp
3. Depth gauge
rod
4. SDS Plus
bit holder
5. Mode selector
lever
6. Trigger
7. Forward/Reverse Control switch
2
1
3
5
4
6
7
Grounded tools require a three wire extension
cord. Double insulated tools can use either a two
or three wire extension cord. As the distance from
the supply outlet increases, you must use a heavier
gauge extension cord. Using extension cords with
inadequately sized wire causes a serious drop in
voltage, resulting in loss of power and possible tool
damage. Refer to the table shown to determine the
required minimum wire size.
The smaller the gauge number of the wire, the
greater the capacity of the cord. For example, a 14
gauge cord can carry a higher current than a 16
gauge cord. When using more than one extension
cord to make up the total length, be sure each cord
contains at least the minimum wire size required.
If you are using one extension cord for more than
one tool, add the nameplate amperes and use the
sum to determine the required minimum wire size.
*XLGHOLQHVIRU8VLQJ([WHQVLRQ&RUGV
,I\RXDUHXVLQJDQH[WHQVLRQFRUGRXWGRRUVEH
VXUHLWLVPDUNHGZLWKWKHVXI¿[³:$´³:´LQ&DQD-
da) to indicate that it is acceptable for outdoor use.
%H VXUH \RXU H[WHQVLRQ FRUG LV SURSHUO\ ZLUHG
and in good electrical condition. Always replace a
damaged extension cord or have it repaired by a
TXDOL¿HGSHUVRQEHIRUHXVLQJLW
3URWHFW\RXUH[WHQVLRQFRUGVIURPVKDUSREMHFWV
excessive heat and damp or wet areas.
READ AND SAVE ALL
INSTRUCTIONS FOR FUTURE USE.
%DVHGRQ OLPLWLQJWKHOLQHYROWDJH GURSWR¿YHYROWV DW
150% of the rated amperes.
EXTENSION CORDS
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)RU([WHQVLRQ&RUGV
([WHQVLRQ&RUG/HQJWK
1DPHSODWH
$PSHUHV
25' 50' 75' 100' 150'
0 - 2.0
2.1 - 3.4
3.5 - 5.0
5.1 - 7.0
7.1 - 12.0
12.1 - 16.0
16.1 - 20.0
18
18
18
18
16
14
12
18
18
18
16
14
12
10
18
18
16
14
12
10
--
18
16
14
12
10
--
--
16
14
12
12
--
--
--
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GROUNDING
WARNING ,PSURSHUO\FRQQHFWLQJWKH
JURXQGLQJZLUHFDQUHVXOWLQWKHULVNRIHOHF-
WULFVKRFN&KHFNZLWKDTXDOL¿HGHOHFWULFLDQ
LI\RXDUHLQGRXEWDVWRZKHWKHUWKHRXWOHWLV
SURSHUO\ JURXQGHG 'R QRW PRGLI\ WKH SOXJ
SURYLGHG ZLWK WKH WRRO 1HYHU UHPRYH WKH
JURXQGLQJSURQJ IURPWKHSOXJ'RQRW XVH
WKH WRRO LI WKH FRUG RU SOXJ LV GDPDJHG ,I
GDPDJHGKDYHLWUHSDLUHGE\D MILWAUKEE
VHUYLFHIDFLOLW\EHIRUHXVH,IWKHSOXJZLOOQRW
¿WWKHRXWOHWKDYHDSURSHURXWOHWLQVWDOOHGE\
DTXDOL¿HGHOHFWULFLDQ
*URXQGHG7RROV7RROVZLWK7KUHH3URQJ3OXJV
Tools marked “Grounding Required” have a three
wire cord and three prong grounding plug. The
plug must be connected to a properly grounded
outlet (See Figure A). If the tool should electrically
malfunction or break down, grounding provides a
low resistance path to carry electricity away from
the user, reducing the risk of electric shock.
The grounding prong in the plug is connected
through the green wire inside the cord to the
grounding system in the tool. The green wire in the
cord must be the only wire connected to the tool's
grounding system and must never be attached to
an electrically “live” terminal.
Your tool must be plugged into
an appropriate outlet, properly
installed and grounded in accord-
ance with all codes and ordinances.
The plug and outlet should look like
those in Figure A.
'RXEOH,QVXODWHG7RROV
7RROVZLWK7ZR3URQJ3OXJV
Tools marked “Double Insulated” do not require
grounding. They have a special double insula-
WLRQ V\VWHP ZKLFK VDWLV¿HV 26+$ UHTXLUHPHQWV
and complies with the applicable standards of
Underwriters Laboratories, Inc.,
the Canadian Standard Asso-
ciation and the National Elec-
trical Code. Double Insulated
tools may be used in either of
the 120 volt outlets shown in
Figures B and C.
ASSEMBLY
WARNING 7RUHGXFHWKHULVNRILQMXU\
DOZD\V XQSOXJ WRRO EHIRUH FKDQJLQJ RU UH-
PRYLQJ DFFHVVRULHV 2QO\ XVH DFFHVVRULHV
VSHFL¿FDOO\UHFRPPHQGHGIRUWKLVWRRO2WKHUV
PD\EHKD]DUGRXV
WARNING 7RUHGXFHWKHULVNRILQMXU\
DOZD\VXVHDVLGHKDQGOHZKHQXVLQJWKLVWRRO
$OZD\VEUDFHRUKROGVHFXUHO\
$GMXVWLQJWKH6LGH+DQGOH3RVLWLRQ
1. Loosen the side handle by unscrewing the side
handle grip until the side handle rotates freely.
2. Rotate the side handle to the desired position.
3. Tighten the side handle grip securely.
6HWWLQJWKH'HSWK*DXJH
1. Press in the clamping lever.
2. Slide the depth gauge rod backward or forward
until it is set for the desired depth.
127( The drilling depth is the distance between
the tip of the bit and the tip of the rod.
3. Release the clamping lever.
WARNING TRUHGXFHWKHULVNRILQMXU\
GRQRWJUDVS WKH ELWZKLOHWKHFKXFN LV URWDW-
LQJ RU ZKLOH WKH ELW LV IDOOLQJ IURP WKH FKXFN
,QVWDOOLQJ'ULOO%LWVDQG&KLVHOV
Only use accessories with SDS or SDS+ shanks.
Be sure that the shank of the bit is clean. Dirt parti-
cles may cause the bit to line up improperly. Do not
use bits larger than the maximum recommended
capacity of the drill because gear damage or mo-
tor overloading may result. For best performance,
be sure that the bit is properly sharpened and the
shank is lightly greased before use.
1. Insert the bit or chisel into the nose of the tool.
2. Rotate bit slowly until it aligns with the locking
mechanism.
3. Push bit into tool until it locks.
4. Check that the bit is locked
properly; it should be possible
to pull the bit back and forth
slightly (about 1/4").
5. To remove bits and chisels,
pull bit holder release collar
toward the rear of tool and
remove bit.
127( Use caution when han-
dling hot bits and chisels.
Release collar
SPECIFICATIONS
Tool &DSDFLWLHV
Cat. No.
9ROWV
AC A
No Load
RPM
No Load
BPM
5RWDU\+DPPHU 'ULOO2QO\
&DUELGH7LSSHG
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7ZLVW'ULOO
%LW:RRG
7ZLVW'ULOO
%LW6WHHO
5263-20 120 5.5 0 - 3700 0 - 4400 5/8" 1" 1/2"
OPERATION
WARNING 7RUHGXFHWKHULVNRILQMXU\
DOZD\VXQSOXJWRROEHIRUHDWWDFKLQJRUUHPRY-
LQJDFFHVVRULHVRUPDNLQJDGMXVWPHQWV8VH
RQO\VSHFL¿FDOO\UHFRPPHQGHGDFFHVVRULHV
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1. For rotation only, turn the selector lever so the
arrow on the lever points to the twist drill symbol
.
2. For rotary hammering, turn the selector lever so
the arrow points to the hammer and twist drill
symbol
.
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Due to a lockout mechanism, the control switch
can only be adjusted when the trigger is not pulled.
Always allow the motor to come to a complete stop
before using the control switch.
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These MILWAUKEE 5RWDU\ +DPPHUV KDYH WZR
settings: rotation only and rotary hammering.
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For IRUZDUG (clockwise) rotation, push the control
switch to the left side of the tool. Check the direction
of rotation before use.
For UHYHUVH (counterclockwise) rotation, push the
control switch to the right side of the tool. Check
direction of rotation before use.
APPLICATIONS
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When drilling in wood, composition materials and
plastic, select the drill operating mode. Start the drill
slowly, gradually increasing speed as you drill. Se-
lect low speeds for plastics with a low melting point.
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When drilling in metal, select the drill operating
mode. Use high speed steel twist drills or hole
saws. Use a center punch to start the hole. Lubri-
cate drill bits with cutting oil when drilling in iron
or steel. Use a coolant when drilling in nonferrous
metals such as copper, brass or aluminum. Back
the material to prevent binding and distortion on
breakthrough.
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When drilling in masonry, select the rotary hammer
operating mode. Use high speed carbide-tipped
bits. Drilling soft masonry materials such as cinder
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concrete require more pressure. A smooth, even
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not let the bit spin in the hole without cutting. Do
not use water to settle dust or to cool bit. Do not
attempt to drill through steel reinforcing rods. Both
actions will damage the carbide.
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1. To VWDUWWKHWRROJUDVSWKHKDQGOH¿UPO\DQGSXOO
the trigger.
2. To YDU\ the speed, increase or decrease the
pressure on the trigger. The further the trigger
is pulled, the greater the speed.
3. To VWRS the tool, release the trigger. Make sure
the tool comes to a complete stop before laying
the tool down.
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the trigger. Always hold the tool securely using
both handles to maintain control. This tool has
been designed to achieve top performance with
only moderate pressure. Let the tool do the work.
If the speed begins to drop off when drilling large
or deep holes, pull the bit partially out of the hole
while the tool is running to help clear dust. Do not
use water to settle the dust since it will clog the bit
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the bit should bind, a built-in, non-adjustable slip
clutch prevents the bit from turning. If this occurs,
stop the tool, free the bit and begin again.
Forward Reverse
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ACCESSORIES
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Keep your tool in good repair by adopting a regular
maintenance program. Before use, examine the
general condition of your tool. Inspect guards,
switches, tool cord set and extension cord for
damage. Check for loose screws, misalignment,
binding of moving parts, improper mounting, bro-
ken parts and any other condition that may affect
its safe operation. If abnormal noise or vibration
occurs, turn the tool off immediately and have the
problem corrected before further use. Do not use a
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until repaired (see “Repairs”).
Under normal conditions, relubrication is not neces-
sary until the motor brushes need to be replaced.
After six months to one year, depending on use,
return your tool to the nearest MILWAUKEE service
facility for the following:
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dles, bearings, housing, etc.)
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7HVWLQJWRDVVXUHSURSHUPHFKDQLFDODQGHOHFWULFDO
operation
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MAINTENANCE
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DOZD\V XQSOXJ \RXU WRRO EHIRUH SHUIRUPLQJ
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V\VWHP&RQWDFWD MILWAUKEEVHUYLFHIDFLOLW\
IRU$//UHSDLUV
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Clean dust and debris from vents. Keep the tool
handles clean, dry and free of oil or grease. Use
only mild soap and a damp cloth to clean your
tool 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
DPPRQLD 1HYHU XVH ÀDPPDEOH RU FRPEXVWLEOH
solvents around tools.
5HSDLUV
If your tool is damaged, return the entire tool to the
nearest service center.
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PLUS
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GENERAL POWER TOOL
SAFETY WARNINGS
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Catalog No.
5303-20
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Failure to follow all instructions listed below, may result in
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SAVE THESE INSTRUCTIONS.
WORK AREA
ELECTRICAL SAFETY
PERSONAL SAFETY
TOOL USE AND CARE
SERVICE
GENERAL SAFETY RULES
4. Grounded tools must be plugged into an outlet properly
installed and grounded in accordance with all codes and
ordinances. Never remove the grounding prong or modify
the plug in any way. Do not use any adaptor plugs. Check
with a qualified electrician if you are in doubt as to whether
the outlet is properly grounded. If the tools should electrically
malfunction or break down, grounding provides a low resistance
path to carry electricity away from the user.
5. Double Insulated tools are equipped with a polarized plug
(one blade is wider than the other). This plug will fit in a
polarized outlet only one way. If the plug does not fit fully in
the outlet, reverse the plug. If it still does not fit, contact a
qualified electrician to install a polarized outlet. Do not change
the plug in any way. Double insulation eliminates the need for
the three wire grounded power cord and grounded power supply
system.
6. Avoid body contact with grounded surfaces such as pipes,
radiators, ranges and refrigerators. There is an increased risk
of electric shock if your body is grounded.
7. Do not expose power tools to rain or wet conditions. Water
entering a power tool will increase the risk of electric shock.
8. Do not abuse the cord. Never use the cord to carry the tools
or pull the plug from an outlet. Keep cord away from heat,
oil, sharp edges or moving parts. Replace damaged cords
immediately. Damaged cords increase the risk of electric shock.
9. When operating a power tool outside, use an outdoor
extension cord marked W-A or W. These cords are rated
for outdoor use and reduce the risk of electric shock.
10. Stay alert, watch what you are doing, and use common sense
when operating a power tool. Do not use tool while tired or
under the influence of drugs, alcohol, or medication. A
moment of inattention while operating power tools may result in
serious personal injury.
11. Dress properly. Do not wear loose clothing or jewelry.
Contain long hair. Keep your hair, clothing, and gloves away
from moving parts. Loose clothes, jewelry, or long hair can be
caught in moving parts.
12. Avoid accidental starting. Be sure switch is off before
plugging in. Carrying tools with your finger on the switch or
plugging in tools with the switch on invites accidents.
13. Remove adjusting keys or wrenches before turning on the
tool. A wrench or a key that is left attached to a rotating part of the
tool may result in personal injury.
14. Do not overreach. Keep proper footing and balance at all
times. Proper footing and balance enables better control of the tool
in unexpected situations.
15. Use safety equipment. Always wear eye protection. Dust
mask, non-skid safety shoes, hard hat, or hearing protection must
be used for appropriate conditions.
16. Use clamps or other practical way to secure and support
the workpiece to a stable platform. Holding the work by hand
or against your body is unstable and may lead to loss of control.
17. Do not force tool. Use the correct tool for your application.
The correct tool will do the job better and safer at the rate for which
it is designed.
18. Do not use tool if switch does not turn it on or off. Any tool
that cannot be controlled with the switch is dangerous and must be
repaired.
19. Disconnect the plug from the power source before making
any adjustments, changing accessories, or storing the tool.
Such preventive safety measures reduce the risk of starting the tool
accidentally.
20. Store idle tools out of reach of children and other untrained
persons. Tools are dangerous in the hands of untrained users.
21. Maintain tools with care. Keep cutting tools sharp and clean.
Properly maintained tools with sharp cutting edge are less likely to
bind and are easier to control. Do not use a damaged tool. Tag
damaged tools Do not use until repaired.
22. Check for misalignment or binding of moving parts, break-
age of parts, and any other condition that may affect the
tools operation. If damaged, have the tool serviced before
using. Many accidents are caused by poorly maintained tools.
23. Use only accessories that are recommended by the manu-
facturer for your model. Accessories that may be suitable for
one tool, may become hazardous when used on another tool.
24. Tool service must be performed only by qualified repair
personnel. Service or maintenance performed by unqualified per-
sonnel could result in a risk of injury.
25. When servicing a tool, use only identical replacement parts.
Follow instructions in the Maintenance section of this
manual. Use of unauthorized parts or failure to follow Maintenance
Instructions may create a risk of electric shock or injury.
1. Keep your work area clean and well lit. Cluttered benches and
dark areas invite accidents.
2. Do not operate power tools in explosive atmospheres, such
as in the presence of flammable liquids, gases, or dust.
Power tools create sparks which may ignite the dust or fumes.
3. Keep bystanders, children, and visitors away while operat-
ing a power tool. Distractions can cause you to lose control.
Protect others in the work area from debris such as chips and
sparks. Provide barriers or shields as needed.
SPECIFIC SAFETY RULES
FUNCTIONAL DESCRIPTION
1. Side handle
2. Clamping screw
3. Depth guage
4. Trigger
5. Selector lever
6. Quik-Change spindle
7. Quik-Change chuck
2
4
5
6
7
1
3
1. Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its
own cord. Contact with a live wire will make exposed metal parts of the tool live and shock the operator.
2. Wear ear protectors when using the tool for extended periods. Prolonged exposure to high intensity noise can cause hearing loss.
3. Keep hands away from all cutting edges and moving parts.
4. Maintain labels and nameplates. These carry important information. If unreadable or missing, contact a MILWAUKEE service facility for a free
replacement.
5. 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 filter out microscopic
particles.
Specifications
Rotary Hammer
(concrete)
No Load
RPM
0-880
No Load Blows
per Minute
4100
Cat.
No.
5303-20
Twist
Drill Bit
5/8" - 1-1/2"
Carbide Tipped
Percussion Bit
3/16" - 1-1/8"
Drill Only
(steel or wood)
Tool
Thin Wall
Percussion Bit
3-1/2"
Capacities
Volts
AC
120
Amperes
Double Insulated
Symbology
Canadian Standards Association
Underwriters Laboratories, Inc.
Volts Alternating Current
No Load Revolutions per Minute
Grounded tools require a three wire extension cord. Double insulated
tools can use either a two or three wire extension cord. As the distance
from the supply outlet increases, you must use a heavier gauge exten-
sion cord. Using extension cords with inadequately sized wire causes a
serious drop in voltage, resulting in loss of power and possible tool
damage. Refer to the table shown to determine the required minimum
wire size.
The smaller the gauge number of the wire, the greater the capacity of the
cord. For example, a 14 gauge cord can carry a higher current than a 16
gauge cord. When using more than one extension cord to make up the
total length, be sure each cord contains at least the minimum wire size
required. If you are using one extension cord for more than one tool, add
the nameplate amperes and use the sum to determine the required mini-
mum wire size.
Guidelines for Using Extension Cords
If you are using an extension cord outdoors, be sure it is marked
with the suffix W-A (W in Canada) to indicate that it is acceptable
for outdoor use.
Be sure your extension cord is properly wired and in good electrical
condition. Always replace a damaged extension cord or have it
repaired by a qualified person before using it.
Protect your extension cords from sharp objects, excessive heat
and damp or wet areas.
GROUNDING EXTENSION CORDS
Grounded Tools:
Tools with Three Prong Plugs
Tools marked Grounding Required
have a three wire cord and three
prong grounding plug. The plug must
be connected to a properly grounded
outlet (See Figure A). If the tool should
electrically malfunction or break
down, grounding provides a low re-
sistance path to carry electricity
away from the user, reducing the risk
of electric shock.
Improperly connecting the grounding wire can
result in the risk of electric shock. Check with a
qualified electrician if you are in doubt as to
whether the outlet is properly grounded. Do not
modify the plug provided with the tool. Never
remove the grounding prong from the plug. Do
not use the tool if the cord or plug is damaged. If
damaged, have it repaired by a MILWAUKEE
service facility before use. If the plug will not fit
the outlet, have a proper outlet installed by a
qualified electrician.
Nameplate
Amperes
0 - 5
5.1 - 8
8.1 - 12
12.1 - 15
15.1 - 20
Extension Cord Length
25'
16
16
14
12
10
75'
16
14
12
10
10
100'
14
12
10
10
--
150'
12
10
--
--
--
200'
12
--
--
--
--
Recommended Minimum Wire Gauge
for Extension Cords*
* Based on limiting the line voltage drop to five
volts at 150% of the rated amperes.
50'
16
16
14
12
10
READ AND SAVE ALL INSTRUCTIONS
FOR FUTURE USE.
The grounding prong in the plug is connected through the green wire
inside the cord to the grounding system in the tool. The green wire in the
cord must be the only wire connected to the tool's grounding system and
must never be attached to an electrically live terminal.
Your tool must be plugged into an appropriate outlet, properly installed
and grounded in accordance with all codes and ordinances. The plug
and outlet should look like those in Figure A.
Double Insulated Tools:
Tools with Two Prong Plugs
Tools marked Double Insulated do
not require grounding. They have a
special double insulation system
which satisfies OSHA requirements
and complies with the applicable
standards of Underwriters Labora-
tories, Inc., the Canadian Standard
Association and the National Electri-
cal Code. Double Insulated tools may
be used in either of the 120 volt out-
lets shown in Figures B and C.
WARNING!
Fig. A
Fig. B
Fig. C
To reduce the risk of injury,
always unplug tool before attaching or remov-
ing accessories. Use only specifically recom-
mended accessories. Others may be
hazardous.
TOOL ASSEMBLY
WARNING!
Removing the Chuck (Fig. 1)
1. Hold the chuck firmly and pull back sleeve toward direction of arrow
(1).
2. Chuck pops out of the spindle, hold it firmly (2).
Inserting the Chuck
1. Push chuck into spindle turning until locked into position.
2. Remember to clean and lightly grease the spindle from time to time.
Inserting Drill Bit or Chisel (Fig. 2)
NOTE: Only use accessories with SDS-plus shank.
1. Align the symbol
with dimple on front of chuck.
2. Rotate bit slowly until it aligns with locking mechanism.
3. Push the bit in, turn it slightly until it can be pushed in completely and
you can feel the notch fit into place.
4. Turn the chuck collar so that the symbol
aligns with dimple on
front of the chuck. The tool should now be locked.
5. Check that the bit is locked properly  it should be possible to move
it slightly.
6. To remove bits and chisels, turn chuck collar so that the symbol
aligns with dimple on the front of chuck. Remove bit.
Adjusting the Side Handle Position (Fig. 3)
Fig. 3
Side Handle
Clamping Screw
1. Loosen the clamping screw slightly.
2. Pull the side handle forward and turn it to the required angle.
3. Fit the side handle into the nonslip mounting until it adjusts into place
and retighten the clamping screw.
NOTE: The side handle can be locked in increments of 30 degrees.
Setting the Depth Gauge (Fig. 4)
Fig. 4
Drilling Depth
Fig. 2
Symbol
Dimple
1. Loosen the clamping screw.
2. Slide the depth gauge rod backward or forward until it is set
for the desired depth. NOTE: The drilling depth is the
distance between the tip of the bit and the tip of the depth gauge rod.
3. Tighten the clamping screw securely.
Fig. 1
1
2
1. For drilling, turn the selector lever so the arrow on the lever points to
the twist drill symbol .
2. For rotary hammering, turn the selector lever so the arrow points to
the hammer and twist drill symbol .
3. For hammering only, turn the selector lever so the arrow points to
the hammer symbol .
NOTE: To engage the hammering mechanism, maintain pressure on
the bit. When pressure on the bit is released, the hammering action
will stop.
Starting, Stopping & Controlling Speed
1. To start the tool, pull trigger.
2. To stop the tool, release trigger.
3. To vary the speed, increase or decrease pressure applied to trigger.
Operating
Position the tool, grasp the handles firmly and pull the trigger. Always
hold the tool securely using both handles and maintain control. This tool
has been designed to achieve top performance with only moderate
pressure. Let the tool do the work.
If the speed begins to drop off when drilling deep holes, pull the bit
partially out of the hole while the tool is running to help clear dust. Do not
use water to settle the dust since it will clog the bit flutes and tend to
make the bit bind in the hole. If the bit should bind, a built-in, non-
adjustable slip clutch prevents the bit from turning. If this occurs, stop
the tool, free the bit and begin again.
Selector lever
Fig. 5
OPERATION
Using Rotary Percussion Core Bits (Fig. 6)
Core bits are useful for drilling large holes for conduit and pipe.
MILWAUKEE Heavy-Duty Thin Wall Core Bits have heat treated steel
bodies with durable carbide tips. They are specially designed for fast,
accurate drilling with combined hammering and rotary action.
Selecting Action (Fig. 5)
MILWAUKEE Rotary Hammers have three settings: drilling, rotary
hammer and hammering.
1. Clean and lubricate the threads on the adapter and core bit as
indicated (Fig. 6) to make later removal easier. Screw the threaded
end of the adapter into the rear of the core bit.
2. Push the guide plate onto the pointed end of the center pin. Insert the
center pin guide plate assembly into to the core bit. Be sure the small
end of the center pin is securely placed into the hole in the center of
the core bit.
3. Insert the adapter into the nose of the tool as described in Inserting
Drill Bit or Chisel. Set the rotary hammer/drill lever to rotary hammer.
4. Press the center pin firmly against your center mark, hold the tool
firmly and pull the trigger.
5. After drilling to about the depth of the core bit teeth, remove the
center pin and guide plate from the core bit. Resume drilling.
6. After you have finished drilling the hole, hold the tool upwards,
pointing it away from your body, and run it briefly in forward to
loosen the core bit from the adapter.
MILWAUKEE Heavy-Duty Thin Wall Core Bits drill holes up to 3" deep. To
make deeper holes, remove the bit, break and remove the core. Resume
drilling.
Adapter
Core Bit
Center Pin
Guide Plate
Clean and lubricate
threads
Fig. 6
To reduce the risk of injury, always wear
eye protection.
WARNING!
ACCESSORIES
Carrying Case
Cat. No. 48-55-5303
Same as provided with the tool.
Quick Change Chuck Adapter
Cat. No. 42-04-3600
For use with 1/2" Chuck Cat. No. 48-66-1360.
Chuck Adapter
Cat. No. 48-03-3005
Converts universal drive to 1/2" - 20 thread. For use with 1/2" Chuck
Cat. No. 48-66-1360.
Cat. No. 48-03-3005
Cat. No. 48-66-1360
1/2" Chuck
Cat. No. 48-66-1360
For use with Chuck Adapters Cat. No. 48-03-3005 and 42-04-3600. Not
recommended for hammering applications. Use with drilling action only.
Key included.
Maintaining Tools
Keep your tool in good repair by adopting a regular maintenance pro-
gram. Before use, examine the general condition of your tool. Inspect
guards, switches, tool cord set and extension cord for damage. Check
for loose screws, misalignment, binding of moving parts, improper mount-
ing, broken parts and any other condition that may affect its safe opera-
tion. If abnormal noise or vibration occurs, turn the tool off immediately
and have the problem corrected before further use. Do not use a dam-
aged tool. Tag damaged tools DO NOT USE until repaired
(see Repairs).
Under normal conditions, relubrication is not necessary until the motor
brushes need to be replaced. After six months to one year, depending on
use, return your tool to the nearest MILWAUKEE service facility for the
following:
Lubrication
Brush inspection and replacement
Mechanical inspection and cleaning (gears, spindles, bearings,
housing, etc.)
Electrical inspection (switch, cord, armature, etc.)
Testing to assure proper mechanical and electrical operation
MAINTENANCE
For a complete listing of accessories refer to your MILWAUKEE Electric
Tool catalog. To obtain a catalog, contact your local distributor or a
service center listed on the back cover of this operators manual.
Cleaning
Clean dust and debris from vents. Keep the tool handles clean, dry and
free of oil or grease. Use only mild soap and a damp cloth to clean your
tool 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. Never use flammable or
combustible solvents around tools.
To reduce the risk of injury, always unplug
your tool before performing any maintenance.
Never disassemble the tool or try to do any
rewiring on the tool's electrical system. Contact
a MILWAUKEE service facility for ALL repairs.
To reduce the risk of injury, electric shock and
damage to the tool, never immerse your tool in
liquid or allow a liquid to flow inside the tool.
WARNING!
To reduce the risk of injury, always unplug the
tool before attaching or removing accessories.
Use only specifically recommended accesso-
ries. Others may be hazardous.
WARNING!WARNING!
Rely only on high-grade power tools on our virtual shelves.
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Milwaukee 5263-20 User manual

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