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Asphalt cutting (striking)
(1) Cutter
Syringe (for chip removal)
Hammer grease A
500 g (in a can)
30 g (in a green tube)
Optional accessories are subject to change without
notice.
APPLICATIONS
Drilling holes in concrete
Drilling anchor holes
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
grip is aligned with the
sleeve. (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)
7
(3) Insert the drill bit until it hits the end of the hole,
HOW TO USE THE HAMMER DRILL
1. How to drill holes (Fig. 5)
(1) Pull the switch trigger after applying the drill bit
(2) It is unnecessary to forcibly press the hammer drill
2. How to chip or crush (Fig. 6)
3. How to select rotation-striking and striking.
(1) Rotation-striking (Fig. 7)
(2) Striking (Fig. 8)
4. Install the stopper (Fig. 9)
(1) Loosen the side handle and insert the straight portion
(2) Move the stopper to the specified position and
5. Warming up (Fig. 10)
mark on the
mark on the front
" so that
DRILLING AND DRIVING-IN OPERATIONS
FOR ANCHORS
Use the optional accessories for anchors, such as anchor
adapter and taper shank adapter.
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.
tip to the drilling position.
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.
By applying the drill bit tip to the chipping or
crushing position, operate the hammer drill by
utilizing its own weight.
Forcible pressing or thrusting is unnecessary.
Rotate the selector lever clockwise so that the
mark on the selector lever is aligned with the
mark on the side of the
cover.
Rotate the selector lever counterclockwise so that the
mark on the selector lever is aligned with the
mark on the side of the
CAUTION
Turning the selector lever during motor rotation will
rotate the tool accidentally. The selector lever should
only be turned when the motor is stopped.
of the stopper into the handle bolt hole.
rotate the side handle clockwise to fix the stopper.
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.
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.
mark on the under
mark on the under cover.
Make sure that a hitting
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