INSTRUCTION MANUAL
Demolition Hammer
HM0830
005813
DOUBLE INSULATION
WARNING:
For your personal safety, READ and UNDERSTAND before using.
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.
1
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adapter plugs with 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
16. 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.
17. 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.
5.
6.
7.
conditions. Water entering
increase the risk of electric shock.
a
power tool will
18. 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.
19. 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.
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.
8.
Personal Safety
9. Stay alert, watch what you are doing and use
20. Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may affect the
power tools operation. If damaged, have the
power tool repaired before use. Many accidents
are caused by poorly maintained power tools.
21. Keep cutting tools sharp and clean. Properly
maintained cutting tools with sharp cutting edges
are less likely to bind and are easier to control.
22. Use the power tool, accessories and tool bits
etc. in accordance with these instructions and
in the manner intended for the particular type
of power tool, taking into account the working
conditions and the work to be performed. Use
of the power tool for operations different from
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.
10. Use safety equipment. Always wear eye
protection. Safety equipment such as dust mask,
non-skid safety shoes, hard hat, or hearing
protection used for appropriate conditions will
reduce personal injuries.
11. Avoid accidental starting. Ensure the switch is
in the off-position before plugging in. Carrying
power tools with your finger on the switch or
plugging in power tools that have the switch on
invites accidents.
those intended could result in
situation.
a
hazardous
SERVICE
12. 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.
23. 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.
13. Do not overreach. Keep proper footing and
balance at all times. This enables better control
of the power tool in unexpected situations.
14. 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.
15. If devices are provided for the connection of
dust extraction and collection facilities,
ensure these are connected and properly used.
Use of these devices can reduce dust-related
hazards.
24. Follow instruction for lubricating and
changing accessories.
25. Keep handles dry, clean and free from oil and
grease.
GEB004-2
SPECIFIC SAFETY RULES
DO NOT let comfort or familiarity with product
(gained from repeated use) replace strict adherence
to hammer safety rules. If you use this tool unsafely
or incorrectly, you can suffer serious personal
injury.
1.
Wear ear protectors. Exposure to noise can
cause hearing loss.
Power tool use and care
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2.
3.
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 tool may contact hidden wiring or
its own cord. Contact with a "live" wire will make
exposed metal parts of the tool "live" and shock
the operator.
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.
FUNCTIONAL DESCRIPTION
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Switch action
4.
1. Switch trigger
2. Lock button
5.
6.
Be sure the bit is secured in place before
operation.
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.
1
2
005814
CAUTION:
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.
Always be sure you have a firm footing.
Be sure no one is below when using the tool in
high locations.
•
Before plugging in the tool, always check to see
that the switch trigger actuates properly and
returns to the "OFF" position when released.
To start the tool, simply pull the switch trigger. Release
the switch trigger to stop.
For continuous operation, pull the switch trigger and
then push in the lock button.
To stop the tool from the locked position, pull the switch
trigger fully, then release it.
8.
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.
ASSEMBLY
12. Do not point the tool at any one in the area
when operating. The bit could fly out and
injure someone seriously.
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.
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing side grip (auxiliary handle)
1. Side grip
1
SAVE THESE INSTRUCTIONS.
005815
WARNING:
MISUSE or failure to follow the safety rules stated in
this instruction manual may cause serious personal
injury.
The side grip swings around to either side, allowing easy
handling of the tool in any position. Loosen the side grip
by turning it counterclockwise, swing it to the desired
position and then tighten it by turning clockwise.
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Installing or removing the bit
Replacing carbon brushes
1. Tool retainer
2. Push button
1. Commutator
2. Insulating tip
3. Carbon brush
1
2
2
1
3
005816
001146
Press the push button and pivot the tool retainer to the
side. Insert the bit into the tool barrel as far as it will go.
Return the tool retainer to its original position to secure
the bit.
To remove the bit, follow the installation procedure in
reverse.
When the resin insulating tip inside the carbon brush is
exposed to contact the commutator, it will automatically
shut off the motor. When this occurs, both carbon
brushes should be replaced. Keep the carbon brushes
clean and free to slip in the holders. Both carbon
brushes should be replaced at the same time. Use only
identical carbon brushes.
CAUTION:
Use a screwdriver to remove the rear cover.
•
When the push button does not move freely even if
pressed, remove dust from the dust hole by using
a wire or similars. Apply machine oil at your hand
and push the push button two or three times for
smoother motion.
1. Rear cover
2. Screwdriver
1. Hole
2. Push button
3. Tool retainer
1
2
1
2
005818
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.
3
005817
1. Screwdriver
2. Brush holder
cap
1
2
OPERATION
Chipping/Scaling/Demolition
Always hold the tool firmly with one hand on the side grip
and other hand on the main handle.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.
005819
Reinstall the rear cover firmly.
MAINTENANCE
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before attempting to perform inspection
or maintenance.
5
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Lubrication
ACCESSORIES
1. Hex wrench
2. Hex bolts
2
1
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.
005820
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•
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•
•
•
•
•
•
•
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•
•
•
Bull point
Cold chisel
Scaling chisel
Clay spade
Grooving chisel
Rammer
Bushing tool
Ground rod adapter
Bit grease
Lock nut wrench 35
Hex wrench
Safety goggles
Hammer grease
Plastic carrying case
This tool requires no hourly or daily lubrication because
it has a grease-packed lubrication system. It should be
relubricated after every 6 months of operation. Send the
complete tool to Makita Authorized Service Center for
this lubrication service. However, if circumstances
require that you should lubricate it by yourself, proceed
as follows.
Run the tool for several minutes to warm it up. Switch off
and unplug the tool.
Remove the crank cap by loosening hex bolts (3 pcs.)
securing it with a hex wrench. 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 a fresh
grease (30 g). Use only Makita genuine hammer grease
(optional accessory). Filling with more than the specified
amount of grease (approx. 30 g) can cause faulty
hammering action or tool failure. Fill only with the
specified amount of grease.
1. Grease
1
005821
Reinstall the crank cap and tighten hex bolts firmly with
the hex wrench.
To maintain product SAFETY and RELIABILITY, repairs,
any other maintenance or adjustment should be
performed by Makita Authorized Service Centers,
always using Makita replacement parts.
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Makita Corporation Anjo, Aichi, Japan
884584-220
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