Makita Power Hammer hm0830 User Manual

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
 
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  
3
 
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.  
4
 
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
 
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  
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.  
6
 
7
 
Makita Corporation Anjo, Aichi, Japan  
884584-220  
 

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