Makita HM1500B User manual

Demolition Hammer
Blows per minute
1,300
MODEL HMl500B
~
Overall length Net weight
807 mm (31-3/4") 19
kg (42 Ibs)
INSTRUCTION MANUAL
SPECIFICATIONS

IMPORTANT
SAFETY INSTRUCTIONS
(For All Tools)
WARNING: WHEN USINGELECTRICTOOLS, BASICSAFETY
PRECAUTIONSSHOULDALWAYS BE FOLLOWEDTO REDUCE
THE RISK OF FIRE, ELECTRIC SHOCK, AND PERSONAL
INJURY, INCLUDING THE FOLLOWING:
READ ALL INSTRUCTIONS.
1.
2.
3.
4.
5.
6.
7.
8.
9.
IO.
11.
12.
13.
2
KEEP WORK AREA CLEAN. Cluttered areas and benches invite injuries.
CONSIDER WORK AREA ENVIRONMENT. Don't use power tools
in damp
or wet locations. Keep work area well
lit. Don't expose power tools to rain.
Don't use tool
in presence of flammable liquids or gases.
KEEP CHILDREN AWAY.
All visitors should be kept away from work area.
Don't let visitors contact tool or extension cord.
STORE IDLETOOLS. When not
in use, tools should be stored indry, and high
or locked-up place
- out of reach of children.
DON'T FORCETOOL.
It will do thejob better and safer atthe ratefor which
it was intended.
USE RIGHT TOOL. Don't force small tool or attachment todo the job of a
heavy-duty tool. Don't use tool for purpose not intended.
DRESS PROPERLY. Don't wear looseclothing or jewelry. They can becaught
in moving parts. Rubber gloves and non-skid footwear are recommended
when workingoutdoors. Wear protective hair covering tocontain long hair.
USE SAFETY GLASSES. Also use face or dust mask
if cuttingoperation is
dusty.
DON'T ABUSE CORD. Never carry tool by cord or yank
it todisconnect from
receptacle. Keep cord from heat, oil, and sharp edges.
SECURE WORK. Use clamps or a vise to hold work. It's safer than using
your hand and
it frees both hands to operate tool.
DON'T OVERREACH. Keep proper footing and balance at all times.
MAINTAIN TOOLS WITH CARE. Keep tools sharp and clean for better and
safer performance. Follow instructions for lubricating and changing acces-
sories. Inspecttool cords periodicallyand
if damaged, have repairedby autho-
rized service facility. Inspect extension cords periodically and replace if
damaged. Keep handles dry, clean, and free from oil and grease.
DISCONNECTTOOLS. When not inuse, before servicing, and when chang-
ing accessories, such as blades, bits, cutters.

14. REMOVE ADJUSTING KEYS AND WRENCHES. Form habit of checking to
see that keys and adjusting wrenches are removed from
tool beforeturning
it on.
15. AVOID UNINTENTIONALSTARTING. Don't carry plugged-intool withfinger
on switch. Be sure switch is OFF when plugging
in.
16. OUTDOOR USE EXTENSION CORDS. Whentoolis used outdoors, use only
extension cords intended for use outdoors and
so marked.
17. STAY ALERT. Watch what youare doing, use commonsense. Don't operate
tool when you are tired.
18. CHECK DAMAGED PARTS. Before further use of the tool, a guard or other
part that
is damaged should be carefully checked to determine that it will
operate properly and perform itsintended function. Check for alignment of
moving parts, binding of moving parts, breakage of parts, mounting, and
any other conditions that may affect its operation. A guard or other part
that is damaged should be properly repaired or replaced by an authorized
service center unless otherwise indicated elsewhere in this instruction
manual. Have defective switches replacedbyauthorizedservicecenter. Don't
use tool if switch does not turn
it on and off.
19. GUARD AGAINST ELECTRIC SHOCK. Prevent body contact with grounded
surfaces. For example; pipes, radiators, ranges, refrigerator enclosures.
20. REPLACEMENT PARTS. When servicing, useonly identicalreplacementparts.
21. POLARIZEDPLUGS. To reduce the risk of electric shock, this equipment has
a polarized plug (one blade is wider 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 stilldoes not fit, contactaqualified electriciantoinstall
the proper outlet.
Do not change the plug in any way.
VOLTAGE WARNING: Before connecting the tooltoa power source (receptacle,
outlet, etc.) be sure the voltage supplied is the same as that specified on the
nameplate of the tool. A power source with voltage greater than that specified
for the tool can result in SERIOUS INJURY to the user
- as well as damage to
the tool.
If in doubt, DO NOT PLUG IN THE TOOL. Using a power source with
voltage less than the nameplate rating is harmful to the motor.
3

ADDITIONAL SAFETY RULES
1. Wear a hard hat (safety helmet), safety glasses and/or face shield. It is also
highly recommendedthat you wear a dust mask, ear protectors and thickly
padded gloves.
2. Be sure the bit is secured in place before operation.
3. Undernormaloperation, the tool isdesignedtoproducevibration. The screws
can come loose easily, causing a breakdown or accident. Check tightness
of screws carefully before operation.
4. 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.
5. Always be sure you have a firm footing.
6. Hold the tool firmly with both hands.
7. Keep hands away from moving parts.
8. Do not leave the tool running. Operate the tool only when hand-held.
9. Do not point the tool at any one in the area when operating. The bit could
fly out and injure someone seriously.
IO. When chipping into walls, floors or wherever "live" electrical wires may be
encountered,
DO NOT TOUCH ANY METAL PARTS OF THE TOOL!
Hold the tool by the insulated grasping surfaces to prevent electric shock
if you chip into a "live" wire.
11. Do not touch the bit or parts close to the bit immediately after operation;
they may be extremely hot and could burn your skin.
SAVE THESE INSTRUCTIONS.
4

Installingor removing bull point or other bits (cold chisel, etc.)
CAUTION :
Always be sure that the tool is switched off and unpluggedbefore installing or removing
the bit.
This tool accepts bits either with or without
a collar on its shank.
Bit with collar
/h
a W II
Bit without collar
To install the bit, follow either procedure (1) or (2) described below.
(1 ) For bitswith a collar:
Pivotthe tool retainer back and slightly downward. Insert the
bit intothe tool holder
as far as it will go. To securely retain the bit, return the tool retainer to its original
position.
I
I
When the bit is inserted.
When the bit is retained.
Fig. (1
CAUTION :
Always assure that the bit is securely retained by attempting to pull the bit out of
the
tool holder after completing the above procedure.
5

(2) For bits without a collar:
Pivot the tool retainer back and slightly downward. With the notched portion of the
bit facing the tool retainer shaft, insert the bit into the tool holder
as far as it will go.
Then pivot the tool retainer further downward toward the cylinder A to securely
retainthe bit.
When the bit is inserted. When the bit is retained.
Fig. (i
CAUTION :
*Always assure that the bit is securely retained by attempting to pull the bit out of
*The bitwithout
a collar cannot be retained by the method shown in the figure (1).
the tool holder after completing the above procedure.
To remove the bit, follow the installationproceduresin reverse.
Side handle (auxiliary handle)
The side handle can be secured inany posi-
tion. Loosen the nut and swing the side
handletothe desired position. Then tighten
the nut firmly to secure the side handle. If
the
set bolt turns together with the nut
when you turn the nut,
set the set bolt
so that the projecting portion of the side
handle
is fitted into the notch in the bolt
head.
Projecting portion
of side handle
Notch in set bolt ,-Side handle
I
6

Switch action
To start the tool, simply pull the trigger.
Release the trigger to stop. For continuous
operation, pull the trigger and then push in
the lock button.
To stop the tool from the
locked position, pull the trigger fully, then
release
it.
CAUTION :
Before plugging in the tool, always check to see that the trigger switch actuates properly
and returns tothe
"OFF" position when released.
Chipping
- Scaling. Demolition
Hold the tool firmly with both hands. Turn the tool on and apply slight pressure on the
tool
so that the tool will not bouncearound, uncontrolled. Pressingvery hard on the tool
will not increase the efficiency.
7

MAINTENANCE
CAUTION :
Always be sure that the tool is switched off and unpluggedbefore attemptingto perform
inspection or maintenance.
Replacing carbon brushes
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
at the same
time. Use only identical carbon brushes.
Insulating tip
Use a screwdrivertoremove the holder cap
plates.
crewdriver
I1
Holder cap plate
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.
Brush holder cap 2 \\
8

Lubrication
This tool requires no hourly or daily lubrication. Itshould be relubricated each time the
carbon brushes are replaced.
Use
a screwdriver to remove the motor
housing cover, then replenish with fresh
grease.
(30 g: 1 oz.)
CAUTION :
Filling with more than the specified
amount of grease (approx.
30 g; 1 02.)
can cause faulty hammering action or
tool failure. Fill only with the specified
amount of grease.
*Use only Makita genuine grease. The use
of any other grease may harm the tool.
To maintain SAFETYand RELIABILITY, repairs, any other amaintenance or adjustment
should be performed by Makita Authorized
or Factory Service Centers, always using
Makita replacement parts.
9

ACCESSOR I ES
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. The
accessories or attachments should
be used only in the proper and intended manner.
0 Safety goggles
Part No. 191686-2
0 Steel carrying case
Part No. 182557-4
0 Hex wrench
#5 Part No. 783203-8
#6 Part No. 783204-6
#10 Part No. 783207-0
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