precautions should always be followed to reduce the risk
of fire, electric shock and personal injury, including the
following.
Read all these instructions before operating this product
and save these instructions.
For safe operations:
1. Keep work area clean. Cluttered areas and benches
invite injuries.
2. Consider work area environment. Do not expose
power tools to rain. Do not use power tools in
damp or wet locations. Keep work area well lit.
Do not use power tools where there is risk to
cause fire or explosion.
3. Guard against electric shock. Avoid body contact
with earthed or grounded surfaces. (e.g. pipes,
radiators, ranges, refrigerators).
4. Keep children away. Do not let visitors touch the
tool or extension cord. All visitors should be kept
away from work area.
5. Store idle tools. When not in use, tools should
be stored in a dry, high or locked up place, out
of reach of children.
6. Do not force the tool. It will do the job better and
safer at the rate for which it was intended.
7. Use the right tool. Do not force small tools or
attachments to do the job of a heavy duty tool.
Do not use tools for purposes not intended; for
example, do not use circular saw to cut tree
limbs or logs.
8. Dress properly. Do not wear loose clothing or
jewellery, they can be caught in moving parts.
Rubber gloves and non-skid footwear are recommended when working outdoors. Wear protecting
hair covering to contain long hair.
9. Use eye protection. Also use face or dust mask
if the cutting operation is dusty.
10. Connect dust extraction equipment.
If devices are provided for the connection of dust
extraction and collection facilities ensure these are
connected and properly used.
11. Do not abuse the cord. Never carry the tool by
the cord or yank it to disconnect it from the
receptacle. Keep the cord away from heat, oil and
sharp edges.
12. Secure work. Use clamps or a vise to hold the
work. It is safer than using your hand and it frees
both hands to operate tool.
13. Do not overreach. Keep proper footing and balance
at all times.
14. Maintain tools with care. Keep cutting tools sharp
and clean for better and safer performance. Follow
instructions for lubrication and changing accessories. Inspect tool cords periodically and if damaged, have it repaired by authorized service center.
Inspect extension cords periodically and replace,
if damaged. Keep handles dry, clean, and free
from oil and grease.
15. Disconnect tools. When not in use, before servicing, and when changing accessories such as
blades, bits and cutters.
16. Remove adjusting keys and wrenches. Form the
habit of checking to see that keys and adjusting
wrenches are removed from the tool before turning
it on.
17. Avoid unintentional starting. Do not carry a
plugged-in tool with a finger on the switch. Ensure
switch is off when plugging in.
18. Use outdoor extension leads. When tool is used
outdoors, use only extension cords intended for
outdoor use.
19. Stay alert. Watch what you are doing. Use common sense. Do not operate tool when you are tired.
20. 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 its intended function. Check for alignment of moving parts, free
running 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 in this handling instructions. Have
defective switches replaced by an authorized
service center. Do not use the tool if the switch
does not turn it on and off.
21. Warning
The use of any accessory or attachment, other
than those recommended in this handling
instructions, may present a risk of personal injury.
22. Have your tool repaired by a qualified person.
This electric tool is in accordance with the relevant
safety requirements. Repairs should only be carried
out by qualified persons using original spare parts.
Otherwise this may result in considerable danger
to the user.
PRECAUTIONS ON USING HAMMER DRILL
䡬 Wear earplugs to protect your ears during operation.
䡬 Do not touch the bit during or immediately after
operation. The bit becomes very hot during operation
and could cause serious burns.
䡬 Before starting to break, chip or drill into a wall,
floor or ceiling, thoroughly confirm that such items
as electric cables or conduits are not buried inside.
䡬 Always hold the body handle and side handle of
the power tool firmly. Otherwise the counterforce
produced may result in inaccurate and even
dangerous operation.
4
English
SPECIFICATIONS
Voltage (by areas)*(110V, 115V, 120V, 127V, 220V, 230V, 240V)
Power input950 W*
CapacityDrill bit: 40 mm
No load speed360/min.
Full-load impact rate2800/min.
Weight (without cord, side handle)6.5 kg
•Be sure to check the nameplate on product as it is subject to change by areas.
Core bit: 105 mm
STANDARD ACCESSORIES
(1) Case (Molded plastic) .............................................. 1
(2) Side Handle ............................................................... 1
30 g (in a green tube)
Optional accessories are subject to change without
notice.
APPLICATIONS
䡬 Drilling holes in concrete
䡬 Drilling anchor holes
䡬 Crushing concrete, chipping, digging, and squaring
(by applying optional accessories)
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specified on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position.
If the plug is connected to a power receptacle while
the power switch is in the ON position, the power
tool will start operating immediately, which could
cause a serious accident.
3. Extension cord
When the work area is removed from the power
source, use an extension cord of sufficient thickness
and rated capacity. The extension cord should be
kept as short as practicable.
4. How to install tool
NOTE
For tools such as a bull point and a cold chisel, use
only Hitachi genuine parts.
(1) Clean, then smear the tool shank with the grease
provided in the green tube (Fig. 1).
(2) The grip can be rotated manually at an 60° angle.
Fully turn the grip in the direction of the arrow A
as shown in Fig. 2 so that the
is aligned with the
(Fig. 2)
(3) Insert the shank of the tool until it makes contact
with the back side of the hole. (Fig. 2)
(4) Turn the grip in the direction of “Lock
the
mark on the grip is aligned with the
mark on the front sleeve. The tool is locked.
Remove the drill bit in the reverse order. (Fig. 2)
5. Fixing Dust cup
When a worker is engaged in an operation with the
main body faced upward, if a dust cup is fixed to
a drill bit, the inside of a tool holder can be prevented
from any possible invasion of dust. The dust cup
should be fixed as explained below.
(1) Insert the dust cup into the drill bit. (Fig. 3)
(2) Fix the drill bit to the tool holder. (Fig. 4)
mark on the front sleeve.
mark on the grip
” so that
(3) Insert the drill bit until it hits the end of the hole,
and make sure that the dust cup is not in contact
with the tool holder. If the dust cup is found to be
in contact with the tool holder, shift it a little forward.
HOW TO USE THE HAMMER DRILL
1. How to drill holes (Fig. 5)
(1) Pull the switch trigger after applying the drill bit tip
to the drilling position.
(2) It is unnecessary to forcibly press the hammer drill
main body. It is sufficient to slightly press the
hammer drill to an extent that shavings are freely
discharged.
CAUTION
Although this machine is equipped with a safety
clutch, if the drill bit becomes bound in concrete
or other material, the resultant stoppage of the drill
bit could cause the machine body to turn in reaction.
Ensure that the main handle and side handle are
gripped firmly during operation.
2. How to chip or crush (Fig. 6)
By applying the drill bit tip to the chipping or
crushing position, operate the hammer drill by
utilizing its empty weight.
Forcible pressing or thrusting is unnecessary.
3. Install the stopper (Fig. 7)
(1) Loosen the side handle and insert the straight portion
of the stopper into the handle bolt hole.
(2) Move the stopper to the specified position and rotate
the side handle clockwise to fix the stopper.
4. Warming up (Fig. 8)
The grease lubrication system in this unit may require
warming up in cold regions.
Position the end of the bit so makes contact with
the concrete, turn on the switch and perform the
warming up operation. Make sure that a hitting
sound is produced and then use the unit.
CAUTION
When the warming up operation is performed, hold
the side handle and the main unit securely with both
hands to maintain a secure grip and avoid being
turned around by the drill.
DRILLING AND DRIVING-IN OPERATIONS FOR
ANCHORS
Use the optional accessories for anchors, such as anchor
adapter and taper shank adapter.
1. When a rotation striking anchor adapter is used.
(1) Install the self-drilling anchor in the anchor adapter
(Fig. 9).
(2) Turn ON the switch and drill a base hole with the
self-drilling anchor. (Fig. 10)
At the start of the hole-drilling slightly tilt the hammer
drill to determine the hole position.
(3) After cleaning out dust with a syringe, attach the
plug to the anchor tip and drive in the anchor with
a manual hammer.
(4) After driving in the anchor, use the drift key to
separate the anchor. (Fig. 11)
(5) By employing a manual hammer or pliers, snap off
the tapered portion of the anchor. (Fig. 12)
CAUTION
Since the snapped-off tapered portion will fly out,
pay attention to the snapping direction.
6
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