Makita HM1802 User manual

1
ENGLISH (Original instructions)
INSTRUCTION MANUAL
DOUBLE INSULATION
IMPORTANT: Read Before Using.
Electric Breaker
HM1802
HM1812
015519

2
ENGLISH (Original instructions)
SPECIFICATIONS
Model HM1802 HM1812
Blows per minute 870
Dimensions 843 x 210 x 608 mm
Net weight 29.4 kg 31.3 kg
Safety class /II
• Due to our continuing program of research and development, the specifications herein are subject to change without notice.
• Specifications may differ from country to country.
• Weight according to EPTA-Procedure 01/2003
END201-7
Symbols
The following show the symbols used for the equipment.
Be sure that you understand their meaning before use.
･Read instruction manual.
･DOUBLE INSULATION
･Only for EU countries
Do not dispose of electric equipment
together with household waste
material!
In observance of the European
Directive, on Waste Electric and
Electronic Equipment and its
implementation in accordance with
national law, electric equipment that
have reached the end of their life must
be collected separately and returned to
an environmentally compatible
recycling facility.
ENE046-1
Intended use
The tool is intended for heavy chiselling and demolition
work as well as for driving and compacting with
appropriate accessories.
ENF002-2
Power supply
The tool should be connected only to a power supply of
the same voltage as indicated on the nameplate, and
can only be operated on single-phase AC supply. They
are double-insulated and can, therefore, also be used
from sockets without earth wire.
ENG905-1
Noise
The typical A-weighted noise level determined
according to EN60745:
Model HM1802
Sound pressure level (LpA) : 95 dB (A)
Sound power level (LWA) : 106 dB (A)
Uncertainty (K) : 3 dB (A)
Model HM1812
Sound pressure level (LpA) : 96 dB (A)
Sound power level (LWA) : 107 dB (A)
Uncertainty (K) : 3 dB (A)
Wear ear protection
ENG900-1
Vibration
The vibration total value (tri-axial vector sum)
determined according to EN60745:
Model HM1802
Work mode : chiselling
Vibration emission (ah,CHeq) : 14.0 m/s2
Uncertainty (K) : 1.5 m/s2
Model HM1812
Work mode : chiselling
Vibration emission (ah,CHeq) : 6.5 m/s2
Uncertainty (K) : 1.5 m/s2
ENG901-1
• The declared vibration emission value has been
measured in accordance with the standard test
method and may be used for comparing one tool
with another.
• The declared vibration emission value may also be
used in a preliminary assessment of exposure.
WARNING:
• The vibration emission during actual use of the power
tool can differ from the declared emission value
depending on the ways in which the tool is used.
• Be sure to identify safety measures to protect the
operator that are based on an estimation of
exposure in the actual conditions of use (taking
account of all parts of the operating cycle such as
the times when the tool is switched off and when it
is running idle in addition to the trigger time).

3
ENH213-9
For European countries only
EC Declaration of Conformity
Makita declares that the following Machine(s):
Designation of Machine: Electric Breaker
Model No./ Type: HM1802,HM1812
Specifications: see "SPECIFICATIONS" table.
Conforms to the following European Directives:
2000/14/EC, 2006/42/EC
They are manufactured in accordance with the following
standard or standardized documents:
EN60745
The technical file in accordance with 2006/42/EC is
available from:
Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium
The conformity assessment procedure required by
Directive 2000/14/EC was in Accordance with annex VI.
Notified Body:
TÜV Rheinland LGA Products GmbH
Tillystraße 2
D-90431 Nürnberg
Identification number 0197
Model HM1802
Measured Sound Power Level: 106 dB (A)
Guaranteed Sound Power Level: 108 dB (A)
Model HM1812
Measured Sound Power Level: 108 dB (A)
Guaranteed Sound Power Level: 110 dB (A)
6.1.2015
000331
Yasushi Fukaya
Director
Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium
GEA005-3
General Power Tool Safety
Warnings
WARNING Read all safety warnings and all
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 the warnings refers to your
mains-operated (corded) power tool or battery-operated
(cordless) power tool.
Work area safety
1. Keep work area clean and well lit. Cluttered or
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 children and bystanders away while
operating a power tool. Distractions can cause
you to lose control.
Electrical safety
4. 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. Unmodified plugs and matching outlets will
reduce risk of electric shock.
5. 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.
6. Do not expose power tools to rain or wet
conditions. Water entering a power tool will
increase the risk of electric shock.
7. 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.
8. 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.
9. If operating a power tool in a damp location is
unavoidable, use a residual current device
(RCD) protected supply. Use of an RCD
reduces the risk of electric shock.
10. Use of power supply via a RCD with a rated
residual current of 30 mA or less is always
recommended.
Personal safety
11. 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 influence of drugs, alcohol or
medication. A moment of inattention while
operating power tools may result in serious
personal injury.
12. 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.

4
13. Prevent unintentional starting. Ensure the
switch is in the off-position before connecting
to power source and/or battery pack, picking
up or carrying the tool. Carrying power tools
with your finger on the switch or energising power
tools that have the switch on invites accidents.
14. 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.
15. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
16. Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing, and gloves
away from moving parts. Loose clothes,
jewellery or long hair can be caught in moving
parts.
17. 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
18. 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.
19. Do not use the power tool if the switch does
not turn it on and off. Any power tool that
cannot be controlled with the switch is dangerous
and must be repaired.
20. Disconnect the plug from the power source
and/or the battery pack 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.
21. 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.
22. 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. Many
accidents are caused by poorly maintained power
tools.
23. Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
24. 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
25. Have your power tool serviced by a qualified
repair person using only identical
replacement parts. This will ensure that the
safety of the power tool is maintained.
26. Follow instruction for lubricating and
changing accessories.
27. Keep handles dry, clean and free from oil and
grease.
GEB004-6
HAMMER SAFETY WARNINGS
1. Wear ear protectors. Exposure to noise can
cause hearing loss.
2. Use auxiliary handle(s), if supplied with the
tool. Loss of control can cause personal injury.
3. 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.
4. Wear a hard hat (safety helmet), safety
glasses and/or face shield. Ordinary eye or
sun glasses are NOT safety glasses. It is also
highly recommended that you wear a dust
mask and thickly padded gloves.
5. Be sure the bit is secured in place before
operation.
6.
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.
7. 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.
8. Always be sure you have a firm footing.
Be sure no one is below when using the tool
in high locations.
9. Hold the tool firmly with both hands.
10. Keep hands away from moving parts.
11. Do not leave the tool running. Operate the tool
only when hand-held.
12. Do not point the tool at any one in the area
when operating. The bit could fly out and
injure someone seriously.

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13. Do not touch the bit or parts close to the bit
immediately after operation; they may be
extremely hot and could burn your skin.
14. Do not operate the tool at no-load
unnecessarily.
15. Some material contains chemicals which may
be toxic. Take caution to prevent dust
inhalation and skin contact. Follow material
supplier safety data.
SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity with product
(gained from repeated use) replace strict adherence
to safety rules for the subject product.
MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function
on the tool.
Switch action
CAUTION:
• Before plugging in the tool, always check to see
that the switch lever actuates properly and returns
to the "OFF" position when released.
1
015520
To start the tool, simply squeeze the switch lever.
Release the switch lever to stop.
For model HM1812 only
NOTE:
• Blows at no load per minute becomes smaller than
those on load in order to reduce vibration under no
load, but this does not show trouble. Once
operation starts with a bit against concrete, blows
per minute increase. When temperature is low and
there is less fluidity in grease, the tool may not
have this function even with the motor rotating.
Indicator lamps
1
2
015521
The green power-ON indicator lamp lights up when the
tool is plugged. The indicator lamp is lit but the tool does
not start even if the tool is switched on, the carbon
brushes may be worn out, or the controller, the motor or
the ON/OFF switch may be malfunction.
1. Power-ON
indicator lamp
(green)
2. Service
indicator lamp
(red)
1. Switch lever

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The red service indicator lamp flickers up when the
carbon brushes are nearly worn out to indicate that the
tool needs servicing. After some period of use, motor
will automatically be shut off.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing soft grip
1
2
015522
Soft grip is NOT installed before factory shipment.
Install soft grip securely.
1
015619
Set the triangle alignment marks on the hammer body
and on the soft grip when installing the soft grip.
Installing or removing the bit
(optional accessory)
CAUTION:
• Always assure that the bit is securely retained by
attempting to pull the bit out of the tool holder after
installing the bit.
• Follow the below 2 installation methods in
accordance with the 2 different types of bits. If
inappropriate installation method is selected, the
bit cannot be secured.
1
2
015523
This tool accepts bits either with or without a collar on
its shank.
To install the bit, follow either procedure (1) or (2)
described below.
(1) For bits with a collar
123
015524
Pivot the tool retainer downward (approx. 60 degrees).
Insert the bit into the tool holder until it stops. Return the
tool retainer and secure the bit.
(2) For bits without a collar
1
2
3
015525
Pivot the tool retainer upward (approx. 60 degrees).
Face the notched portion of the bit upward. Insert the bit
into the tool holder until it stops. Pivot the tool retainer
further until it stops at the tool holder.
To remove the bit, follow the installation procedure in
reverse.
OPERATION
Chipping/Scaling/Demolition
CAUTION:
• Keep well-balanced posture when holding the
heavy tool before / during / after operation to avoid
personal injuries.
• Secure debris in case of breaking it into smaller
pieces.
1. Notched portion
of the bit
2. Tool retainer
3. Tool holder
1. Bit
2. Tool retainer
3. Tool holder
1. Bit with collar
2. Bit without
collar
1. Triangle
alignment mark
1. Soft grip
2. Bolt

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• Hold the tool firmly with both hands. Turn the tool on
and apply slight pressure on the tool so that the tool
will not bounce around, uncontrolled. Pressing very
hard on the tool will not increase the efficiency.
• Do not pull out the tool if stuck. Instead, break the
work around the bit tip.
• Be sure to place the tool on the stable floor or
ground after use.
015606
Always use the soft grip (auxiliary handle) and firmly hold the
tool by both side grip and switch handle during operations.
MAINTENANCE
CAUTION:
• Store the machine in horizontal position to avoid
possible grease leakage.
• Never use gasoline, benzine, thinner, alcohol or
the like. Discoloration, deformation or cracks may
result.
To maintain product safety and reliability, repairs, any
maintenance or adjustment should be performed by
Makita Authorized Service Centers, always using Makita
replacement parts.
OPTIONAL ACCESSORIES
CAUTION:
• These accessories or attachments are
recommended for use with your Makita tool
specified in this manual. The use of any other
accessories or attachments might present a risk of
injury to persons. Only use accessory or
attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• Bull point
• Cold chisel
• Scaling chisel
• Clay spade
• Rammer
• Safety goggles
• Hammer / bit grease
• Dust extractor attachment
NOTE:
• Some items in the list may be included in the tool
package as standard accessories. They may differ
from country to country.

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www.makita.com
Makita Jan-Baptist Vinkstraat 2, 3070, Belgium
Makita Corporation Anjo, Aichi, Japan
885400-229