Milwaukee 4274-21 Handleiding


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1-5/8" MAGNETIC DRILLS
PERCEUSE MAGNÉTIQUE DE 41 mm (1-5/8")
TALADROS MAGNÉTICOS DE 41 mm (1-5/8")
Cat. No.
No de cat.
4272-21
4274-21
OPERATOR'S MANUAL
MANUEL de L'UTILISATEUR
MANUAL del OPERADOR
TO REDUCE THE RISK OF INJURY, USER MUST READ AND UNDERSTAND OPERATOR'S
MANUAL.
AFIN DE RÉDUIRE LE RISQUE DE BLESSURES, L'UTILISATEUR DOIT LIRE ET BIEN
COMPRENDRE LE MANUEL DE L'UTILISATEUR.
PARA REDUCIR EL RIESGO DE LESIONES, EL USUARIO DEBE LEER Y ENTENDER EL
MANUAL DEL OPERADOR.
23
SYMBOLOGY
SPECIFICATIONS
Cat. No. Magnet Volts a.c. Amps No Load RPM *Twist Drill HSS Cutter
4272-21 Electro 120 13 High 730
Low 475
1/2" 1-5/8"
4274-21 Permanent 120 13 High 730
Low 475
1/2" 1-5/8"
SPECIFIC SAFETY RULES
Always use safety chain. Mounting can release.
DANGER! To reduce the risk of injury, always keep
hands, gloves, rags, clothing, etc. away from mov-
ing parts and chips. Do not try to remove chips while
the cutter is rotating. Chips are sharp and can pull
objects into moving parts.
Clean the surface before attaching the drill
stand to the work surface. Paint, rust, scale, or
uneven surfaces decrease the holding strength of
the magnet. Chips, burrs, dirt and other foreign
matter on the surface of the magnet base will also
decrease holding power.
Do not attach magnetic base to nonmagnetic
grades of stainless steel. The magnet base WILL
NOT hold. The 4272-21 drill attaches magnetically
to 3/8" or thicker ferrous stock, and the 4274-21 to
1/4" or thicker ferrous stock. Do not use on stock
less than 1/4".
Hold power tool by insulated gripping surfaces,
when performing an operation where the cutting
accessory may contact hidden wiring or its own
cord. Cutting accessory contacting a “live” wire may
make exposed metal parts of the power tool “live”
and could give the operator an electric shock.
Safety Strap
Do not use near acids or bleaching agents.
Do not use for overhead lifting.
Do not use strap if webbing is cut.
Webbing must be protected from sharp edges.
All hardware must be in line with direction of
pull for rated capacity.
Maintain labels and nameplates. These carry
important information. If unreadable or missing,
contact a MILWAUKEE service facility for a free
replacement.
WARNING Some dust created by power sanding,
sawing, grinding, drilling, and other construction
activities contains chemicals known to cause can-
cer, 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.
* Requires use of 1/2" drill chuck adapter, see "Accessories."
Double Insulated
Volts
Alternating Current
Amps
No Load Revolutions per
Minute (RPM)
CUS Underwriters Laboratories, Inc.
United States and Canada
DANGER! To reduce the risk
of injury, always keep hands,
gloves, rags, clothing, etc. away
from moving parts and chips. Do
not try to remove chips while
the cutter is rotating. Chips are
sharp and can pull objects into
moving parts.
PERSONAL SAFETY
GENERAL POWER TOOL SAFETY WARNINGS
WORK AREA SAFETY
ELECTRICAL SAFETY
POWER TOOL USE AND CARE
SERVICE
Keep work area clean and well lit. Cluttered or
dark areas invite accidents.
Do not operate power tools in explosive atmos-
pheres, 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 op-
erating a power tool. Distractions can cause you
to lose control.
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. Unmodi ed 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 condi-
tions. 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 inter-
rupter (GFCI) protected supply. Use of an GFCI
reduces the risk of electric shock.
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 in uence 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 o-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 personal injury.
Do not overreach. Keep proper footing and bal-
ance 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 collection can reduce dust-related hazards.
Do not let familiarity gained from frequent use of
tools allow you to become complacent and ig-
nore tool safety principles. A careless action can
cause severe injury within a fraction of a second.
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 o. 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 chil-
dren 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 aect the power tools operation. If dam-
aged, 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, tak-
ing into account the working conditions and
the work to be performed. Use of the power tool
for operations dierent from those intended could
result in a hazardous 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.
WARNING Read all safety warnings, instructions, illustrations and speci cations 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.
Have your power tool serviced by a quali ed
repair person using only identical replacement
parts. This will ensure that the safety of the power
tool is maintained.
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.
45
1. Slide rail
2. Carrying handle
3. Feed handle
4. Magnet activation
switch (4272-21 only)
5. Magnet activation knob
(4274-21 only)
6. Speed selector
7. Motor adjustment lever
8. On(I) / O(O) switch
9. Drill motor
OPERATION
WARNING To reduce the risk of injury,
wear safety goggles or glasses with side
shields.
ASSEMBLY
Attaching Feed Handle
1. To attach, line up the anvil, press the center but-
ton and slide the handle into place on the desired
side of the tool.
2. To remove, press the center button and pull the
handle away from the tool.
Do not use a wrench, pipe, or any other lever in
place of the feed handle.
Motor adjustment lever
The motor adjustment lever is used to raise and
lower the motor on the slide rail. Always hold the
motor securely before loosening the adjustment
lever.
FUNCTIONAL DESCRIPTION
Typical Operation
1. Check the work surface to make sure it is clean
and free of foreign materials.
Paint, rust, scale or uneven surfaces decrease
the holding strength of the magnet. Chips, burrs,
dirt and other foreign materials on the surface
of the magnetic base will also decrease holding
power. Use a smooth, at le to keep the magnet
clean and free of nicks.
The 4272-21 drill attaches to 3/8" or thicker
ferrous stock, and the 4274-21 to 1/4" or
thicker ferrous stock. Do not use on stock
less than 1/4". The magnetic base WILL NOT
hold on nonmagnetic grades of stainless steel.
2. To install/remove cutter:
A. Unplug tool.
B. Raise the drill motor to its highest position
on the slide rail.
C. Twist the quick-change arbor. Insert the cut-
ter into the arbor and release collar. Tug on
cutter to ensure it is secure. Cutter should
be fully seated into spindle.
D. Reverse procedure to remove cutter.
NOTE: Do not remove cutter unless slug is
removed. Slug may eject unexpectedly. Avoid
contact with cutter tips. Periodically inspect the
cutter tips for loose or damaged tips.
10. Cutting uid tting
11. Quick-change arbor
12. Safety strap bracket
(strap not shown)
13. Magnetic base
14. LED button
15. Hand pump and
tube (not shown)
1
3
2
4
5
6
7
9
8
1312 14
Fig. B Fig. C
Fig. A
GROUNDING
WARNING Improperly connecting the
grounding wire can result in the risk of elec-
tric shock. Check with a quali ed 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
t the outlet, have a proper outlet installed by
a quali ed electrician.
Grounded Tools: Tools with Three Prong Plugs
Tools marked Grounding Requiredhave 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.
Double Insulated Tools:
Tools with Two Prong Plugs
Tools marked “Double Insulated” do not require
grounding. They have a special double insula-
tion system which satis es OSHA requirements
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.
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.
Guidelines for Using Extension Cords
If you are using an extension cord outdoors, be
sure it is marked with the suf x 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
quali ed person before using it.
Protect your extension cords from sharp objects,
excessive heat and damp or wet areas.
READ AND SAVE ALL
INSTRUCTIONS FOR FUTURE USE.
* Based on limiting the line voltage drop to ve volts at
150% of the rated amperes.
EXTENSION CORDS
Recommended Minimum Wire Gauge
For Extension Cords*
Extension Cord Length
Nameplate
Amperes 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
--
--
--
WARNING To reduce the risk of injury,
always unplug tool before attaching or remov-
ing accessories or making adjustments. Use
only speci cally recommended accessories.
Others may be hazardous.
10
11
Cat. No. 4274-21
Cat. No. 4272-21


Product specificaties

Merk: Milwaukee
Categorie: Niet gecategoriseerd
Model: 4274-21

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