Makita HR2430 User manual

Rotary Hammer with Dust Extraction
25 mm (1") MODEL HR2430 25 mm (1") MODEL HR2431
Variable Speed Variable Speed
INSTRUCTION MANUAL
Capacities
Concrete Wood
DOUBLE
INSULATION
HR2431
Dust extraction capacities
Max. drilling depth Max. bit Max. bit Dust bag
IAdiustablede~thl diameter lenath caDacitv
SPECIFICATIONS
No load 'peed
(RPM)
Overall length Net weight
BIOWS per minute HR2430 HR2431
I HR2430 I HR2431
416 mm 477 mm 2,6 kg 2.8 kg
I - 4'900 I 116-3/8"l I 118-3/4"1 I (5.7 lbsl 1 16.2 lbsl
0 - 1.050/min.
~
Manufacturer reserves the right to change specifications without notice.
Specifications may differ from country to country.
WARNING: For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.

GENERAL SAFETY RULES uSA002-1
(For All Tools)
WARNING! Read and understand all instructions. Failure
tofollow all instructionslisted below,
may result in electric
shock, fire and/or serious personal injury.
SAVE THESE INSTRUCTIONS
Work Area
1. Keep your work area cleanand well lit. Cluttered benchesanddark areas invite
accidents.
2. Do notoperatepowertools in explosiveatmospheres, suchas 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 operating a power tool.
Distractions can cause you to lose control.
Electrical Safety
4. DoubleInsulatedtools are equippedwithapolarizedplug(onebladeiswider
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 El eliminates the need for the three
wire grounded power cord and grounded power supply system.
5. Avoid body contact withgroundedsurfaces suchas pipes, radiators, ranges
and refrigerators. There is
an increased risk of electric shock if your body is
grounded.
6. Do notexpose power tools torainor wet conditions. Water entering a power
tool will increase the risk of electric shock.
7. Do notabusethe cord. Never usethe cord to carry the tools or pull the plug
from anoutlet. Keepcord away from heat, oil, sharpedges or moving parts.
Replace damaged cords immediately. Damaged cords increase the risk of
electric shock.
8. Whenoperating apower tooloutside, useanoutdoor extensioncord marked
“W-A” or “W.” These cords are rated for outdoor use and reduce the risk
of electric shock.
PersonalSafety
9. Stayalert, watchwhat youare doingandusecommon sense whenoperating
a power tool.
Do not use tool while tired or under the influence of drugs,
alcohol, or medication.
A moment of inattentionwhile operating power tools
may result
in serious personal injury.
IO. Dressproperly. Donot wear looseclothingorjewelry. Containlonghair. Keep
your hair, clothing, andglovesawayfrom moving parts. Looseclothes, jewelry
or long hair can be caught
in moving parts.
2

11. Avoid accidental starting. Be sure switch isoff before plugging in. Carrying
tools withyour finger on the switchor plugging intools that have the switch
on invites accidents.
12. Remove adjusting keys or wrenches before turning
the tool on. A wrench
or akey that isleft attached toarotatingpart of the tool may result in personal
injury.
13.
Do notoverreach. Keep properfooting andbalanceatalltimes. Properfooting
and balance enables better control of the tool
in unexpected situations.
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. Holdingthe work by hand or against your body isunstable
and may lead to loss of control.
16. Do notforce tool. Usethe correct tool for your application. The correct tool
will do the job better and safer at the rate for which
it is designed.
17.
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.
18. Disconnectthe plugfrom the power sourcebeforemaking any adjustments,
changing accessories, or storing the tool. Such preventive safety measures
reduce the risk of starting the tool accidentally.
19. Store idle tools out of reach of children and other untrained persons. Tools
are dangerous
in the hands of untrained users.
20. Maintain tools with care. Keep cutting tools sharp and clean. Properly
maintained tools,
with sharp cuttingedges are less likelytobind and are easier
to control.
21. Check for misalignment or bindingof moving parts, breakage of parts, and
any other condition that may affect the tools operation.
If damaged, have
the tool serviced before using. Many accidents are caused by poorly
maintained tools.
22. Use only accessoriesthat 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 by unqualified personnel could result in a risk of
injury.
24. When servicing a tool, use only identical replacement parts. Follow
instructions inthe Maintenance section of this manual. Use of unauthorized
parts
or failuretofollow MaintenanceInstructionsmay create a riskof electric
shock or injury.
3

US6010-l
Specific Safety Rules
1. Hold tools by insulated gripping surfaces when performing an operation
where the cutting tool may contact hidden wiring or its owncord. Contact
with a “live” wire will make exposedmetalparts 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. Wear a hardhat (safety helmet), safety glassesand/or face shield. It isalso
highlyrecommended that you wear a dust mask and thickly paddedgloves.
4. Be sure the bit is secured in place before operation.
5. Under normaloperation, the toolisdesignedtoproducevibration.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 a while by operating
it under no load. This will loosen up
the lubrication. Without proper warm-up, hammering operation is difficult.
Be sure no one is below when using the tool
in high locations.
7. Always be sure you have a firm footing.
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 in the area when operating. The bit could
12. Do not touch the bit or parts close tothe bit immediately after operation;
fly out and injure someone seriously.
they may be extremely hot and could burn your skin.
SAVE THESE INSTRUCTIONS.
4

SYMBOLS
The followings show the symbols used for tool.
v ................................ volts
A ................................ amperes
Hz ................................ herts
'L ................................ alternating current
n, ................................ no load speed
................................ Class II Construction
..&in ............................... revolutions or reciprocation per minute
k ................................ number of blow
5

FUNCTIONALDESCRIPTION
Side grip (auxiliary handle)
The side grip swings aroundto either side,
allowing easy handling of the tool in any
position. Loosenthe side grip by turning it
counterclockwise, swing it to the desired
position and then tighten it by turning
clockwise.
Switchaction
CAUTION:
Beforeplugginginthe tool, alwayscheck to see that the switch trigger actuates properly
and returnsto the
"OFF" positionwhen released.
To start the tool, simply pullthe trigger.
Tool speed is increased by increasingpressureon
the trigger. Releasethe trigger
to stop.
Reversingswitchaction
This tool has a reversingswitch to change
the direction of rotation. Move the lever to
the position (A position) for clockwise
rotation or the
+ position (B position) for
counterclockwise rotation.
I Reversing switch lever 7
CAUTION :
Always check the direction of rotationbefore operation.
Usethe reversingswitchonly after the tool comes to a completestop.Changing the direc-
Do not pullthe switch trigger when the reversingswitch lever is inthe neutralposition.
tionof rotationbefore the toolstops may damage the tool.
If you pullthe trigger forcibly, the switch may be damaged.
6

Selectingthe action mode I
This toolemploysan action modechanging
knob. Select one of the two modes suitable
for your work needs
by usingthis knob.For
rotation only, turn the knob
so that the
arrow on the knob points toward theam.
mark on the tool body. For rotation with
hammering, turn the knob
so that the
arrow on the knob points toward the
mark on the tool body.
f
A\
,-
CSQ \
$&I Action mode
changingknob
CAUTION:
Always set the knob fully to your desiredmode mark.
If you operate the tool with the knob
positionedhalf-way betweenthe mode marks, the tool may be damaged.
Torque limiter
The torque limiterwill actuatewhen a certaintorque level isreached.The motor will dis-
engage from the output shaft.When this happens, the bitwill stop turning.
CAUTION:
As soon as the torque limiter actuates, switch off the tool immediately.This will help pre-
vent prematurewear of the tool.
Holesaws, core bits, diamond core bits, etc. cannot be usedwith this tool. They tend to
pinchor catcheasily inthe hole.This will cause the torque limiterto actuate too frequently.
ASSEMBLY
Installing or removingthe drill bit
CAUTION:
Always be sure that the tool is switched off and unplugged beforeinstallingor removingthe
bit.
Clean the bit shank and
grease (about
0.5 - 1 g)
before installingthe bit.
apply the bit
provided to it
7

Insertthe bit into the tool. Turn the bit and
push it inuntilit engages.
If the bit cannot be pushedin, remove the
bit. Pullthe chuck cover down
a couple of
times. Then insert the bitagain. Turn the bit
and push
it inuntil itengages.
Bit
Chuck cover
After installing,always make sure that the bit issecurelyheldin place by trying to pullit out.
To removethe bit, pullthe chuck cover down all the way and pull the bit out.
Dust extractor attachment and dust bag
(inconcretedrilling operation)
With the dustextractor attachmentand the dust bag installedon this tool, you can do your
work very cleanlywithout dust scatteredaroundinthe work site.
CAUTION:
These two accessoriescan be usedonly for drilling holes inconcrete.Accordingly, do not
usethem in metalor wood drillingoperation.
8

Installing dust extractor attachment
Loosen the clamp screw of the side grip
by turning it counterclockwise. Insert the
coupling rod of the dust extractor attach-
ment through the coupling holeof the side
grip until the rod cannot be pushed in any
further. And the tighten the clamp screw
clockwise to secure the dust extractor at-
tachment. The couplingrodcan be inserted
from either side
A or B.
I
Clamp screw
Coupli?g hole I
CAUTIO N :
At some angles of the side grip with the tool, the dust extractor attachment cannot be
installed on the tool because of the interference betweenthe attachment and the tool.
Insert firmly the hose
of the dust extractor
attachment into the hose port of the tool
untilthe hose hitsagainstthe bottomof the
port to befixedfirmly to the tool.
Installing dust bag
Keepingthe angle of the dust bagwith the
tool
at SO", insert the dust baginto the dust
exhaust portof the tool. Secure the dust bag
by turning
it clockwise.
r-- Hose
Dustexhaust port 1
9

Adjustingthe position of dust extractor
I
attachment
Loosen the clamp screw of the dust ex-
tractor attachment
by turning it counter-
clockwise.
And then align the tip
of the bit with the
top
of the dust extractor attachment.
Tighten the clamp screw
by turning it
clockwise to secure the dust extractor
attachment.
Clamp screw -/
I
Depth adjustment
Loosen the screw of the stopperby turning
it counterclockwise
so that the stopper
could slide on the depth gauge
of the dust
extractor attachment. Slide the stopper to
the desireddrilling depth
of the gauge, and
then tighten the screw
by turning it clock-
wise.
Stopper -
10