Do not operate power tools
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 operating a power tool.
Distractions can cause
ELECTRICAL SAFETY
4.
Double Insulated tools are equipped with a polarized plug (one blade is wider
than the other.) This plug will
fit
plug does not
contact a qualified electrician to install a polarized outlet. Do not change
the plug
wire grounded power cord and grounded power supply system.
5.
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.
6.
Do
tool
7.
Do
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.
8.
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.
PERSONAL SAFETY
9.
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.
may result in serious personal injury.
IO.
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.
in
not expose power tools to rain or wet conditions. Water entering a power
will
increase the risk of electric shock.
not abuse the cord. Never use the cord to carry the
fully
any way. Double insulation eliminates the need for the three
in
you
in
the outlet, reverse the plug.
A
moment of inattention while operating power tools
lit.
Cluttered benches and dark areas invite
explosive atmospheres, such as
to lose control.
fit
in
a polarized outlet only one way. If the
If
it
tools
in
the presence
still does not
or pull the plug
Failure
fit,
2
Page 3
11.
Avoid accidental starting. Be sure switch is off before plugging in. Carrying
tools with your finger on the switch or plugging in tools that have the switch
on invites accidents.
12. Remove adjusting keys or wrenches before turning the tool on. A wrench
or a key that
injury.
13.
Do not overreach. Keep proper footing and balance at all times. Proper footing
and balance enables better control of the tool
14. Use safety equipment. Always wear eye protection. Dust mask, non-skid
safety shoes, hard hat, or hearing protection must be used for appropriate
conditions.
TOOL
USE AND CARE
15. 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
16. 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
17. Do not use tool
be controlled with the switch is dangerous and must be repaired.
18. Disconnect the plug from the power source before making any adjustments,
changing accessories, or storing the tool. Such preventive safety measures
reduce the risk
19.
Store idle tools out of reach of children and other untrained persons.
are dangerous
20. Maintain tools with care. Keep cutting tools sharp and clean. Properly
maintained tools, with sharp cutting edges are less likely to bind and are easier
to control.
21. Check for misalignment or binding of moving parts, breakage of parts, and
any other condition that may affect the tools operation.
the tool serviced before using. Many accidents are caused by poorly maintained tools.
22.
Use only accessories that are recommended by the manufacturer for your
model. Accessories that may be suitable for one tool, may become hazardous
when used on another tool.
SERVICE
23.
Tool
service must be performed only by qualified repair personnel. Service
or maintenance performed
injury.
24. When servicing a tool, use only identical replacement parts. Follow instructions in
or failure to follow Maintenance Instructions may create a risk of electric shock
or injury.
is
left attached to a rotating part of the tool may result in personal
loss
of control.
if
switch does not turn
of
starting the tool accidentally.
in
the hands of untrained users.
by
unqualified personnel could result
the
Maintenance section of this manual. Use
it
on or off. Any tool that cannot
in
unexpected situations.
it
is designed.
If
damaged, have
in
of
unauthorized parts
Tools
a risk
of
3
Page 4
SPECIFIC SAFETY RULES FOR ROTARY HAMMER
1.
Hold tools 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
the operator.
2.
Wear ear protectors when using the tool for extended periods. Prolonged
exposure to high intensity noise can cause hearing
3.
Wear a hard hat (safety helmet), safety glasses andlor face shield.
highly recommended that you wear a dust mask and thickly padded gloves.
4.
Be sure the
5.
Under normal operation, the tool is designed to produce vibration. The screws
can come loose easily, causing a breakdown or accident. Check tightness
of screws carefully before operation.
6.
In
cold weather or when the tool has not been used for a long time, let the
tool warm up for several minutes by operating
up
loosen
is difficult.
7.
Always be sure
Be sure no one is below when using the tool
8.
Hold the tool firmly with both hands.
9.
Keep hands away from moving parts.
IO.
Do
not leave the tool running. Operate the tool only when hand-held.
11.
Do
not point the tool at any one
fly out and injure someone seriously.
12.
Do
not touch the
they may be extremely hot and could burn your skin.
the lubrication. Without proper warm-up, hammering operation
will
make exposed metal parts
bit
is secured in place before operation.
you
have a firm footing.
in
the area when operating. The bit could
bit
or parts close to the bit immediately after operation;
of
the tool "live" and shock
loss.
It
it
under no load. This will
in
high locations.
is also
SAVE THESE INSTRUCTIONS.
4
Page 5
SYMBOLS
The followings show the symbols used for tool.
v
A
HZ
%
n,
.../
&
.................................
.................................
.................................
.................................
.................................
.................................
min
................................
.................................
volts
amperes
herts
alternating current
no load speed
Class
II
Construction
revolutions or reciprocation per minute
number of blow
5
Page 6
FUNCTIONAL
Selecting
When selecting an action mode, first set
the change lever and the
position shown in right. Then proceed as
follows.
Rotation with hammering
For drilling in concrete, masonry, etc., depress the lock button and rotate the change
so
lever
DESCRIPTION
action
mode
shift
lever to the
that the pointer points to the
-
/-
Lock
button
symbol. Use the tungstencarbide tipped bit.
~ ~
"Rotation with hammering" symbol
Hammering only
For chipping, scaling or demolition operations, depress the lock button and rotate
the change lever
points
to
the symbol. Use a bull point,
cold chisel, scaling chisel, etc.
Rotation only
For drilling in wood, metal or plastic
materials, rotate the shift lever
1
symbol is aligned with the pointer on
the
the change lever. Use
wood bit.
6
so
that the pointer
a
twist drill bit or
so
$3Jj?jJ
41-m:
Pointer
.-I\
that
"Rotation only" symbol
Page 7
CAUTION:
*Do not rotate the change lever and/or the shift lever when the tool is running under
load. The tool
*To avoid rapid wear on the mode change mechanism, be sure that the change lever
and/or the shift lever is always positively located in one of the three action mode positions.
*The action mode cannot be changed
directly from "hammering only" to
"rotation only" or from "rotation only"
to "hammering only". First set the
change lever and the shift lever to "rotation with hammering" mode position
shown in right. Then set them to the
position for "hammering only" or "rotation only".
will
be damaged.
Hammering only Rotation only
I
Rotation with hammering
Bit angle [when chipping, scaling
CAUTION:
Always be sure that the tool is switched off and unplugged before changing the bit angle.
The bit can be secured
angles. To change the bit angle, depress
the lock button and rotate the change lever
so
that the pointer points
Turn the bit to the desired angle.
Depress the lock button and rotate the
lever
so
change
the symbol. Then make sure that the bit
is securely held in place by turning it slight-
ly.
that the pointer points to
at
to
the 0 symbol.
12
or
demolishing)
different
Lock
7
7
Page 8
Side grip
CAUTION:
Always use the side grip to ensure operating safety when drilling in concrete, masonry,
etc.
-When the bit begins to break through concrete or if the bit strikes reinforcing rods
embedded in concrete, the tool may react dangerously. Maintain good balance and safe
footing while holding the tool firmly wit both hands to prevent dangerous reaction.
The side grip swings around to either side,
allowing easy handling of the tool in any
position. Loosen the side grip by turning it
0
Loosen
counterclockwise, swing it to the desired
position and then tighten it by turning
Side grip
clockwise.
I
I/\(-
Switch action
CAUTION:
Before plugging in the
tool,
always check
I
I
to see that the switch trigger actuates
properly and returns to the
"OFF"
position
when released.
To
start the tool, simply pull the trigger.
Release the trigger to stop.
Speed change
This revolutions and blows per minute can be adjusted just by turning the adjusting dial.
I
Number
on
adjust dial per minute
6
5
I
4
3
2
1
I
Revolutions
720
690 3,150
590
490 2,250
390
360 1,650
per minute
I
Blows
3,300
2.700
1,800
I
~
8
--
I
Page 9
Depth
gauge
The depth gauge is convenient for drilling
holes of uniform depth. Loosen the clamp
screw and adjust the depth gauge to the
desired depth. After adjusting, tighten the
clamp screw firmly.
Depth gauge
1
I
screw
I
NOTE:
The depth gauge cannot be used at the position where the depth gauge strikes against the
gear housing/motor housing.
Indicator
lamp
The green power-ON indicator lamp lights up when the tool is switched ON. If the indi-
lit
cator lamp is
the carbon brushes may be worn out, or
the electric circuit or the motor may be
defective.
but the tool does not start,
If
the indicator lamp does not
Power-ON indicator lamp (green)
light up and the tool does not start, the
ON/OFF switch or the mains cord may be
defective.
The red service indicator lamp lights up
when the carbon brushes are nearly worn
out to indicate that the tool needs servicing.
After approx.
automatically be shut off.
8
hours of use, the motor will
Service indicator lamp (red)
I
I
9
Page 10
ASS
EM
B
LY
Installing or removing bit
CAUTIO
Always be sure that the tool is switched off and unplugged before installing or removing
the bit.
Clean the bit shank and apply the bit grease
provided to it before installing the bit.
Insert the bit into the tool. Turn the bit and
push it in until
N
:
it
engages.
If the bit cannot be pushed in, remove the
Pull
bit.
times. Then insert the bit again. Turn the
bit and push
After installing, always make sure that the
bit is securely held in place by trying to pull
it out. To remove the bit, pull the chuck
cover down
10
the chuck cover down a couple of
it
in until it engages.
all
the way and pull the bit out.
Page 11
OPERATION
Hammer drilling operation
CAUTION:
When the bit begins to break through concrete or if the bit strikes reinforcing rods embedded in concrete, the tool may react dangerously. Maintain good balance and safe foot-
ing while holding the tool firmly with both hands
Set the change lever and the shift lever to
at
thevl symbol. Position the bit
tion for the hole, then pull the trigger.
the loca-
Do
not force the tool. Light pressure gives
best results. Keep the tool in position and
prevent it from slipping away from the
hole.
Do
not apply more pressure when the hole
becomes clogged with chips or particles.
Instead, run the tool at an idle, then
remove from the hole.
By
repeating this
several times, the hole will be cleaned out.
to
prevent dangerous reaction.
Torque
The torque limiter will actuate when a certain torque level
limiter
is
reached. The motor will dis-
engage from the output shaft. When this happens, the bit will stop turning.
CAUTIO N
As
:
soon as the torque limiter actuates, switch off the tool immediately. This will help pre-
vent premature wear of the tool.
Chipping/Scaling/Demolition
Set the change lever and the shift lever to
the symbol. Hold the tool firmly with both
hands. Turn the tool
pressure on the tool
on
and apply slight
so
that the tool will
not bounce around, uncontrolled. Pressing
very hard on the tool
will
not increase the
efficiency.
11
Page 12
Drilling operation
Set the change lever and the shift lever to the 1 symbol.
Drilling in wood
When drilling in wood, best results are obtained with wood drills equipped with
a
guide
screw. The guide screw makes drilling easier by pulling the it into the workpiece.
Drilling in metal
a
To prevent the bit from slipping when starting
hole, make an indentation with a centerpunch and hammer at the point to the drilled. Place the point of the bit in the indentation
and start drilling.
a
cutting lubricant when drilling metals. The exception are iron and brass which
Use
should be drilled dry.
CAUTION:
Pressing excessively on the tool will not speed up the drilling.
In
fact, this excessive
pressure will only serve to damage the tip of your bit, decrease the tool performance and
shorten the service life of the tool.
Blow-out bulb (optional accessory)
Use the blow-out bulb to clean out the
hole.
Dust cup (optional accessory)
Use the dust cup to prevent dust from
falling over the tool and on yourself when
performing overhead drilling operations.
Attach the dust cup to the bit as shown in
the figure.
The size of bits which the dust cup can be
attached to is as follows.
Bit
diameter
-
Dust cup 5
]Dustcup91 12mm(15/32")-16mm(5/8")
12
6 mm (1/4")
14.5 mm
(9/16")
I
.
Dust
CUP
Page 13
Drilling in
Use the optional drill chuck assembly (consisting
assembly). When installing it, refer to
"installing
on the previous page. Set the action mode
changing knob to "rotation only".
drill up to
and
wood.
wood
or
metal
of
drill chuck and chuck adapter
or
removing drill bit" described
13
mm
(1/2")
diameter in metal
up
to
30
mm
(1-3/16")
You
can
diameter in
I
CAUTION:
Never use "rotation with hammering" when the drill chuck assembly
Also,
tool. The drill chuck assembly may be damaged.
reversing the tool.
the drill chuck
is
will
installed
come
off
on
when
the
13
Page 14
MAINTENANCE
CAUTION:
Always be sure that the tool
inspection or maintenance.
Replacing carbon brushes
When the resin insulating tip inside the carbon brush is exposed to contact the com-
it
mutator,
motor. When this occurs, both carbon
brushes should be replaced
time. Use only identical carbon brushes.
will automatically shut
is
switched
at
the same
off
off
the
and unplugged before attempting to perform
Insulating tip
3-
Commutator
\
I-
)!
-
Car Ir ush
Use a screwdriver to remove the brush
holder caps. Take out the worn carbon
brushes, insert the new ones and secure
the brush holder caps.
14
L
//
Screwdriver
Brush holder
cap
Page 15
Lubrication
This tool requires no hourly or daily lubrica-
it
tion because
has a grease-packed lubrication system. Lubricate the tool every time
the carbon brushes are replaced.
Run the tool for several minutes to warm it
up. Switch off and unplug the tool.
Loosen the six screws and remove the handle.
Note
that
the top screws are different
from other screws.
Screws
Disconnect the connector by pulling
it.
Remove the crank cap using a hex wrench
I
Crank
Connector
I
(
15
Page 16
Rest the tool on the table with the bit end pointing upwards. This will allow the old grease
to collect inside the crank housing. Wipe out the old grease inside and replace with
grease
or tool failure.
tighten with the hex wrench.
Connect the connector and reinstall the handle.
(30
g). Use only Makita genuine hammer grease (optional accessory). Filling with
more than specified amount of grease (approx.
Fill
only with the specified amount of grease. Reinstall the crank cap and
30
g) can cause faulty hammering action
a
fresh
Connector
%
CAUTION:
Be careful not to damage the terminal or lead wires especially when wiping out the old
grease or installing the handle.
Do
not tighten the crank cap excessively. It is made of resin and is subject to breakage.
To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjust-
ment should be performed by Makita Authorized or Factory Service Centers, always using
Makita replacement parts.
White
Black
16
Page 17
ACCESSORIES
CAUTION
These accessories or attachments are recommended for use with your Makita tool specified in this
manual The use
The accessones or attachments should be used only
of
any other accessories or attachments might present a risk
Every Makita
be free of defects from workmanship and materials for the period of ONE YEAR from the date of
original purchase. Should any trouble develop during this one-year period, return the COMPLETE
tool,
the trouble is caused by defective workmanship or material, Makita
replace) without charge.
This Warranty does not apply where:
repairs have been made or attempted by others:
repairs are required because of normal wear and tear:
The
alterations have been made
IN
SLOUFNTIAL DAMAGI-S FROM THL SALE OR USt
APiLlES BOTH DURING AND AFTER THE TERM OF THIS WARRANTY.
MAKITA DISCLAIMS LIABILITY
WARRANTIES
AFTER THE ONE-YEAR TERM OF THIS WARRANTY.
This Warranty gives you specific legal rights, and you may also have other rights which vary from
state
damages,
limitation on how long an implied warranty lasts,
tool
is thoroughly inspected and tested before leaving the factory.
freight prepaid, to one of Makita’s Factory or Authorized Service Centers.
tool
has been abused, misused or improperly maintained;
NO FVFNT SHALL MAKITA
OF
to
state. Some states do not allow the exclusion or Limitation of incidental or consequential
so
the above limitation or exclusion may not apply
to
the tool
Bb
LlABLt kOR ANY INDIRTCT, INCIDkNTAL OK
“MERCHANTABILITY” AND “FITNESS FOR A SPECIFIC PURPOSE,
FOR
Policy
It
is warranted to
If
will
01
THt PRODUCT THIS DISCLAIMER
ANY lMPLlED WARRANTIES, INCLUDING IMPLIED
to
so
the above limitation may not apply to you.
you. Some states do not allow
inspection shows
repair (or at our option,
COY-
Makita Corporation
3-11
-8,
Anjo, Aichi
Sumiyoshi-cho,
446-8502
884253- 069
Japan
PRINTED
2000
IN
JAPAN
- 2 -
N
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