Skil 6277 User Manual
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IMPORTANT: IMPORTANT : IMPORTANTE:
Read Before Using Lire avant usage Leer antes de usar
Operating/Safety Instructions
Consignes de fonctionnement/sécurité
Instrucciones de funcionamiento y seguridad
6277
Call Toll Free for
Consumer Information
& Service Locations
Pour obtenir des informations
et les adresses de nos centres
de service après-vente,
appelez ce numéro gratuit
Llame gratis para
obtener información
para el consumidor y
ubicaciones de servicio
1-877-SKIL999 (1-877-754-5999) www.skil.com
For English Version Version française Versión en español
See page 2 Voir page 12 Ver la página 22
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General Power Tool Safety Warnings
WARNING
!
Read all safety warnings and instructions. Failure to follow the warnings
and instructions may result in electric shock, fire and/or serious injury.
SAVE ALL WARNINGS AND INSTRUCTIONS FOR FUTURE REFERENCE
The term “power tool” in all of 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
atmospheres, such as in the presence of
flammable 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
us e a ny adapter pl ug s w ith earthed
(grounded) power tools. Unmodified 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 the power tool in damp locations
is unavoidable, use a Ground Fault Circuit
Interrupter (GFCI) protected supply. Use of
an GFCI reduce the risk of electric shock.
Personal safety
Stay alert, watch what you are doing and
us e co mmon sense when operating a
power tool. Do not use a power tool while
you are tired or under the influence 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 dust mask, non-skid safety shoes, hard
hat, or hearing protection used for appropriate
conditions will reduce personal injuries.
Prevent unintentional starting. Ensure the
sw itch is in th e o ff-po sitio n b efore
connecting to power source and / or battery
pa ck, picki ng up or carrying the t ool.
Carrying power tools with your finger 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
balance at all times. This enables better
co ntrol of the power to ol in unexpe ct ed
situations.
Dress properly. Do not wear loose clothing
or jewelry. Keep your hair, clothing and
gloves 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.
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
ca nn ot be co nt ro ll ed wi th th e switc h is
dangerous and must be repaired.
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Disconnect the plug from the power source
nd/or the battery pack from the power tool
a
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. 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.
Ma ny acci de nt s a re caus ed by poorly
maintained power tools.
Additional Safety Warnings
GFCI and personal protection devices like
electrician’s rubber gloves and footwear will
further enhance your personal safety.
Do not use AC only rated tools with a DC
power supply. While the tool may appear to
work, the electrical components of the AC
rated tool are likely to fail and create a hazard
to the operator.
Keep handles dry, clean and free from oil
and grease. Slippery hands cannot safely
control the power tool.
Use clamps or other practical way to secure
and support the w orkpiece to a stable
platform. Holding the work by hand or against
your body is unstable and may lead to loss of
control.
Develop a periodic maintenance schedule
for your tool. When cleaning a tool be
careful not to disassemble any portion of
th e tool since internal wires may be
misplaced or pinched or safety guard return
sp rings ma y be impro perly mounted.
Certain cleaning agents such as gasoline,
Keep cutting tools sharp and clean. Properly
aintained cutting tools with sharp cutting
m
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 hazardous situation.
Service
Have your power tool serviced by a qualified
re pa ir person using on ly identi ca l
replacement parts. This will ensure that the
safety of the power tool is maintained.
carbon tetrachloride, ammonia, etc. may
damage plastic parts.
Risk of injury to user. The power cord must only
be serviced by a Skil Factory Service Center or
Autho rized Skil Service Station.
WARNING
!
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 paints,
• Crystalline silica from bricks and cement and
other masonry products, and
• Arsenic and chro mium fro m chemic allytreated lumber.
Yo ur ri sk from these ex po su re s varies,
depending on how often you do this type of
work. To reduce your exposu re 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.
Some dust created by power
sanding, sawing, grinding,
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Safety Rules for Drills
Wear ear protectors with impact drills.
Exposure to noise can cause hearing loss.
Use auxiliary handles supplied with the
tool. Loss of control can cause personal
injury.
Hold power tools by insulated gripping
surfaces when performing an operation
where the cutting tools may cont ac t
hidden wiring. Contact with a “live” wire will
make exposed metal parts of the tool “live”
and shock the operator.
Us e clam ps or other practica l 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.
Do not drill, fasten or break into existing
walls or other blind areas where electrical
wiring ma y exist . If this s it ua tion is
unavoidable, disconnect all fuses or circuit
breakers feeding this worksite.
Always wea r s af et y goggles or eye
protection when using this tool. Use a
dust mask or respirator for applications
which generate dust.
Use thick cushioned gloves and limit the
exposure time by taking fr equ ent rest
periods. Vibration caused by hammer-drill
action may be harmful to your hands and
arms.
Secure the material being drilled. Never
hold i t in yo ur hand or across le gs.
Unstable support can cause the drill bit to
bind causing loss of control and injury.
Ne ve r leave the tr igger lock ed "ON".
Before plugging the tool in, check that the
trigger lock is "OFF". Accidental start-ups
could cause injury.
Position the cord clear of rotating bit. Do
not wrap the cord around your arm or
wrist. If you lose control and have the cord
wrapped around your arm or wrist it may
entrap you and cause injury.
Position yourself to avoid being caught
between the tool or side handle and walls
or posts. Should the bit become bound or
jammed in the work, the reaction torque of
the tool could crush your hand or leg.
If the bi t becomes b ound in t he
workpie ce , release t he t rigger
im mediate ly , reve rse the dir ection of
rotation and slowly squeeze the trigger to
back out the bit. Be ready for a strong
reaction torque. The drill body will tend to
twist in the opposite direction as the drill bit is
rotating.
Do not grasp the tool or place your hands
too close to the spinning chuck or drill
bit. Your hand may be lacerated.
Do not use the switch "Lock-ON" feature
in situations wher e drill bit bind ing is
likely. (For example: just before the bit is
re ady t o break through t he ma te ri al ,
anytime when using a "Hole Saw", auger
bits........ etc.) When the bit binds, the drill's
bo dy wi ll twist or ki ck-back in op po si te
direction and the release of the trigger "LockON" may be difficult.
Be aware of the location and setting of
the switch "Lock-ON" button. If the switch
is locked "ON" during the use, be ready for
emergency situations to switch it "OFF", by
first pul ling the trigger then immed iately
releasing it without pressing the "Lock-ON"
button.
When installing a drill bit, insert the shank
of th e b it well within t he ja ws of the
chuck. If th e bit i s not insert ed de ep
enough, the grip of the jaws over the bit is
reduced and the loss of control is increased.
Do not us e dull or damaged bits and
accessories. Dull or damaged bits have a
greater tendency to bind in the workpiece.
When removing the bit from the tool avoid
contact w ith s ki n a nd use p ro per
protective gloves when grasping the bit
or accessory. Accessories may be hot after
prolonged use.
Check to s ee that keys a nd a djusting
wr en ch es ar e removed from the dr il l
before switching the tool "ON". Keys or
wr en ch es can fly away at h ig h vel oc it y
striking you or a bystander.
Do not run the drill while carrying it at
your side. A spinning drill bit could become
entangled with clothing and injury may result.
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Symbols
IMPORTANT: Some of the following symbols may be used on your tool. Please study them
and learn their meaning. Proper interpretation of these symbols will allow you to operate the
tool better and safer.
ymbol Name Designation/Explanation
S
V Volts Voltage (potential)
A Amperes Current
Hz Hertz Frequency (cycles per second)
W Watt Power
kg Kilograms Weight
min Minutes Time
s Seconds Time
Diameter Size of drill bits, grinding wheels, etc.
n
.../min Revolutions or reciprocation per minute Revolutions, strokes, surface speed,
0 Off position Zero speed, zero torque...
1, 2, 3, ... Selector settings Speed, torque or position settings.
I, II, III, Higher number means greater speed
No load speed Rotational speed, at no load
0
orbits etc. per minute
Infinitely variable selector with off Speed is increasing from 0 setting
Arrow Action in the direction of arrow
Alternating current Type or a characteristic of current
Direct current Type or a characteristic of current
Alternating or direct current Type or a characteristic of current
Class II construction Designates Double Insulated
Construction tools.
Earthing terminal Grounding terminal
Warning symbol Alerts user to warning messages
Li-ion RBRC seal Designates Li-ion battery recycling
program
This symbol designates
that this tool is listed by
Underwriters Laboratories.
This symbol designates
that this tool is listed by
the Canadian Standards
Association.
This symbol designates that this tool is listed by the Intertek Testing
This symbol designates that
this tool is listed by the
Canadian Standards
Association, to United States
and Canadian Standards.
This symbol designates that
this tool is listed by
Underwriters Laboratories, to
United States and Canadian
Standards.
This symbol
designates
that
this tool
complies
to NOM
Mexican
Standards.
Services, to United States and Canadian Standards.
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Functional Description and Specifications
WARNING
!
Di sc on nect the pl ug from t he power so ur ce before m ak in g any
assembly, adjustments or changing accessories. Such preventive safety
measures reduce the risk of starting the tool accidentally.
Drill
FIG. 1
MOTOR
HOUSING
CHUCK
COLLAR
KEYLESS
CHUCK
CHUCK
SLEEVE
REVERSING
SWITCH LEVER
DRILL
LEVEL
VENTILATION
OPENINGS
RUBBERIZED
GRIP
TRIGGER
“LOCK-ON” BUTTON
MAXIMUM CAPACITIES
Model Chuck Size Screw Mild Hard Soft Wire Cup Wire Wheel Sanding/ Hole
No. and type Sizes Metal Wood Wood Brushes brushes Polishing Saw
6277 3/8" Keyless #8 x 3" 3/8" 3/4"1" 1-1/2"4" NR NR
NR = Not recommended
ATTENTION: 3/8 inch drills are not recommended for running lag bolts
NOTE: For tool specifications refer to the nameplate on your tool.
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Operating Instructions
VARIABLE SPEED CONTROLLED
Your tool is equipped with a variable speed
trigger switch. The tool can be turned "ON" or
"OFF" by squeezing or releasing the trigger.
The speed can be adjusted from the minimum
to maximum nameplate RPM by the pressure
you apply to the trigger. Apply more pressure
to increase the speed and release pressure to
decrease speed (Fig. 1).
The "Lock-ON" button, located in the handle of
your tool allows for continuous operation at
maximum RPM without holding the trigger (Fig. 1).
TO LOCK TRIGGER "ON": squeeze trigger,
depress button and release trigger.
TO UNLOCK THE TRIGGER: squeeze trigger
and release it without depressing the "LockON" button.
For small bits, open jaws enough to insert the
bit up to the flutes. For large bits, insert the bit
as far as it will go. Center the bit as you close
th e jaws by hand. This positio ns t he bit
properly, giving maximum contact between the
chuck jaws and the bit shank.
To tighten, hold the chuck collar firmly with one
hand and securely tighten the chuck sleeve
with the other hand (Fig. 2).
WARNING
!
to loosen or tighten bit. Friction burn or hand
TRIGGER SWITCH
"LOCK-ON" BUTTON
INSERTING BIT
Do not use the power of the
drill while grasping chuck
WARNING
!
the trigger can not be released.
REVERSING SWITCH LEVER
The reversing switch lever is located above the
trigger switch and is used to reverse rotation of
the bit. The reversing switch should only be
activated when the motor is “OFF” and when bit
is at a com plete standstill (Fig. 1).
To use tool in “Forward” rotation move lever to
left side of tool, to “Reverse” the rotation of the
bit move the lever to the right side of the tool.
CAUTION
!
comes to a complete stop. Shifting during
rotation of the chuck can cause damage to the
tool.
injury is possible if attempting to grasp the
spinning chuck.
FIG. 2
If the “Lock-ON” button is
continuously being depressed,
Do not change direction of
ro tatio n until t he tool
CHUCK
COLLAR
CHUCK
SLEEVE
Your tool is equipped with drill level located on
DRILL LEVEL
to p of the housi ng tha t wi ll allow y ou to
accurately enter the workpiece in a horizontal
and vertical position (Fig. 1).
USING THE LEVEL: Place drill bit where hole
is to be drilled, position drill so the bubble in the
level is centered between the lines, then start
drilling the hole, once the bit has entered the
workpiece check from time to time to be sure
the bit is maintaining the horizontal or vertical
position.
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Operating Tips
You will extend the life of your bits and do
ne ater wor k if yo u always put th e bit in
co ntact with the work be fore pulling the
trigger. During the oper a tion, hold the tool
firmly and exert light, steady pressure. Too
much pressure at low speed will stall the tool.
Too little pressure will keep the bit f rom
cutting and cause excess friction by sliding
over the surface. This can be damaging to
both tool and bit.
DRILLING WITH VARIABLE SPEED
The trigger controlled variable speed feature
will eliminate the need for center punches in
hard materials. The variable speed trigger
allows you to slowly increase RPM. By using
a slow starting speed, you are able to keep
the bit from “wander ing”. You can increase
the speed as the bit “bites” into the work by
squeezing the trigger
DRIVING WITH VARIABLE SPEED
Variable speed drills will double as a power
screwdriver by using a screwdriver bit in the
drill mode. The technique is to start slowly,
in creas ing th e spee d as th e scre w runs
down. Set the screw snug ly by slowing to a
stop. Prior to drivi ng sc re ws, p ilot and
clearance holes should be drilled.
FASTENING WITH SCREWS
This procedure shown in (Fig. 3) will enable
you to fasten ma terials together with your
Drill/Screwdriver without stripping, splitting or
separating the material.
FASTENING
WITH SCREWS
1. Drill 2/3 diameter and
2/3 of screw length for
soft materials, full
length for hard
materials.
Screw
Apply a slight
even pressure
when driving
screws.
FIG. 3
2. Drill same
diameter as
screw shank.
3. Countersink
same diameter
as screw head.
Adjustable
Screw
Drill
First, clamp the pieces together and drill the
first hole 2/3 the diameter of the screw. If the
mater ial is soft, drill only 2/3 the proper
length. If it is hard, drill the entire length.
Second, unclamp the pieces and drill the
second hole the same diameter as the screw
shank in the first or top piece of wood.
Third, if flat head screw is used, countersink
the hole to make the screw flush with the
surface. Then, simply apply even pressure
when driving the screw. The screw shank
clearance hole in the first piece allows the
screw head to pull the pieces tightly together.
The adjustable screw drill accessory will do
all of these operations quickly and easily.
Screw drills are available for screw sizes No.
6, 8, 10 and 12.
Always inspect drill bits for excessive wear. Use
only bits that are sharp and in good condition.
TWIST BITS: Avail abl e with st raight and
reduced shanks for wood and light duty metal
drilling. High speed bits cut faster and last
longer on hard ma terials.
CARBIDE TIPPED BITS: Used for drilling
stone, con crete, plaster, cement and other
unusually hard nonmetals. Use continuous
heavy feed pres sure when employing carbide
tip bits.
DRILLING WOOD
Be certain workpiece is clamped or anchored
firm ly. Always apply pressure in a straight line
with the drill bit. Maintain enough pressure to
keep the drill “biting”.
When drilling holes in wood, twist bits can be
used. Twist bits may overheat unless pulled out
frequently to clear chips from flutes.
Use a “back-up” block of wood for work that is
likely to splinter, such as thin materials.
You will drill a cleaner hole if you ease up on
the pressure just before the bit breaks through
the wood. Then complete the hole from the
back side.
DRILLING METAL
There are two rules for drilling hard materials.
First, the harder the material, the greater the
pres sure you need to apply to the tool. Second,
the harder the material, the slower the speed.
Here are a couple of tips for drilling in metal.
Lubri cate the tip of the bit occasionally with
cutting oil except when drilling soft metals such
as alu minum, cop per or cast iron. If the hole to
be drilled is fairly large, drill a smaller hole first,
DRILL BITS
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then enlarge to the required size, it’s often
fa ster in the long run. Main tain enou gh
pressure to assure that the bit does not just
spin in the hole. This will dull the bit and greatly
shorten its life.
Soft materials such as brick are relatively easy
to drill. Concrete however, will require much
more pressure to keep the bit from spinning. Be
sure to use carbide tip bits for all masonry work.
!
safe operating speed is not exceeded by the
nameplate speed of the tool. Do not exceed
the recommended wheel diameter.
Variable speed control must be used with
caution for driving nuts and bolts with socket
set attach ments. The technique is to start
slowly, increasing speed as the nut or bolt runs
down. Set the nut or bolt snugly by slowing the
drill to a stop. If this procedure is not followed,
the tool will have a tendency to torque or twist
in your hands when the nut or bolt seats.
Work with brushes requires high speeds. Use
of the “Lock-ON” button feature will provide a
much easier operation.
DRILLING MASONRY
WARNING
RUNNING NUTS AND BOLTS
Before using an accessory,
be certain that its maximum
WIRE BRUSHES
1. Remember, the tips of a wire brush do the
BRUSHING PRESSURE
work. Operate the brush with the lightest
pressure so only the tips of the wire come in
contact with the work.
2. If heavier pressures are used, the wires
will be overstressed, resulting in a wiping
action; and if this is continued, the life of the
brush will be shortened due to wire fatigue.
3. Apply the brush to the work in such a way
that as much of the brush face as possible is
in full contact with the work. Applying the
side or edge of the brush to the work will
result in wire breakage and shortened brush
life.
CORRECT: Wire tips doing the work.
Service
INCORRECT: Excessive pressure can cause wire breakage.
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Maintenance
WARNING
!
Preventive maintenance
performed by unauthorized
per so n nel may result in misplacing of
internal wires and components which
could c ause ser io us hazar d. We
recommend that all tool service be performed
by a Skil Factory Service Center or Autho rized Skil Service Station.
TOOL LUBRICATION
Your Skil tool has been properly lubricated
and is ready to use. It is recommended that
tools with gears be regreased with a special
gear lubricant at every brush change.
CARBON BRUSHES
The brushes and commutator in your tool
have been engineered for many hours of
dependa bl e serv ic e. To mai nt ain pe ak
efficiency of the motor, we recommend every
two to six months the brush es be examined.
On ly genui ne Skil r ep lace ment bru shes
specially designed for your tool should be
used.
Cleaning
WARNING
!
th e p ow er su pp ly be fore cl eaning or
performing any main tenance. The tool may
be cleaned most effectively with compressed
dry air. Always wear safety gog gles when
cleaning tools with compressed air.
Ventilation openings and switch levers must
be kept clean and free of foreign matter. Do
not at tempt to clean by i nserting pointed
objects through openings.
CAUTION
!
plastic parts. Some of these are: gasoline,
carbon tetrachlo ride, chlo rinated cleaning
solvent s, a mm on ia a nd h ou se hol d
detergents that contain ammonia.
To avoid accidents always
dis connect the tool from
Ce rt ain clea ni ng agents
and s ol vents d amage
Accessories
WARNING
!
adequate size conductors that is capable of
carrying the current necessary for your
to ol mu st be us ed. Th is wi ll pr event
excessive voltage drop , loss of power or
overheating. Grounded tools must use 3-wire
extension cords that have 3-prong plugs and
receptacles.
NOTE: The smaller the gauge number, the
heav i er the cord.
If an extension co rd is
ne cessary, a co rd wi th
RECOMMENDED SIZES OF EXTENSION CORDS
120 VOLT ALTERNATING CURRENT TOOLS
Tool’s
Ampere
Rating
3-6
6-8
8-10
10-12
12-16
Cord Size in A.W.G.
Cord Length in Feet Cord Length in Meters
25 50 100 150 15 30 60 120
18 16 16 14 0.75 0.75 1.5 2.5
18 16 14 12 0.75 1.0 2.5 4.0
18 16 14 12 0.75 1.0 2.5 4.0
16 16 14 12 1.0 2.5 4.0 —
14 12 —— ————
Wire Sizes in mm
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