Hitachi H 41SA Mode D'emploi page 7

Hammer Grease A
500 g (in a can)
70 g (in a tube)
30 g (in a tube)
Optical accessories are subject to change without notice.
APPLICATIONS
Breaking concrete, chipping off concrete, grooving, bar
cutting, and driving piles.
Application examples:
Installation of piping and wiring, sanitary facility
installation, machinery installation, water supply and
drainage work, interior jobs, harbor facilities and other
civil engineering work.
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. Tool Mounting
NOTE:
For tools such as a bull point and a cutter, use only
Hitachi genuine parts.
(1) Clean, then smear the tool shank with the grease
provided.
(2) Press the push button, slightly lift the tool retainer
in the direction of arrow A as shown in Fig. 1 to
hook the tool retainer edge with the push button
and engage the push button.
(3) Release your finger from the push button and further
lift the tool retainer in the direction of arrow A .
NOTE:
First time when the tool retainer is lifted, remove your
finger from the push button. If the push button is kept
pressed, the edge of the tool retainer comes in contact
with your finger and the tool retainer cannot be lifted.
(4) Fully insert the tool shank into the hexagonal hole
in the front cover.
(5) Return the tool retainer to secure the tool.
NOTE:
Remove in the reverse order of installation.
WHEN THE PUSH BUTTON DOES NOT
OPERATE SMOOTHLY
When the push button does not operate smoothly,
please remove dirt from the inside through the outlet
using a wire, etc. Then lubricate lubricating oil and push
the push button several times to make it operate
smoothly.
HOW TO USE THE DEMOLITION HAMMER
(Fig. 3)
1. After placing the tip of the tool in the base hole,
switch ON.
2. By utilizing the weight of the machine and by firmly
holding the demolition hammer with both hands,
one can effectively control the subsequent recoil
motion.
Proceed at a moderate work-rate, the use of too
much force will impair efficiency.
DRILLING AND DRIVING-IN OPERATION FOR
SELF DRILLING ANCHORS
When self-drilling anchors (Fig. 4) are used, the anchors
can be driven in. In this case, use the optional accessories
for self-drilling anchors such as the anchor adapter.
1. Attach the turning handle to the anchor adapter and
turn the handle back and forth manually (Fig. 5).
In this case, the plug is not attached to the anchor.
2. When a predetermined depth has been attained,
pull out the anchor tentatively (Fig. 6).
3. By employing the syringe, blow out the debris.
4. Attach the plug to the anchor tip and drive in the
anchor again with the demolition hammer.
5. After driving in the anchor, use the drift key to
separate the anchor (Fig. 7).
6. By employing a manual hammer or pliers, snap off
the tapered portion of the anchor (Fig. 8).
CAUTION:
Since the snapped-off tapered portion will fly out,
pay attention to the snapping direction.
GREASE REPLACEMENT
This machine is of full air-tight construction to protect
against dust and to prevent lubricant leakage. This
machine can be used without grease supplement for an
extended period of time. However, perform the grease
replacement to maintain the service life. Replace the
grease as described below.
1. Grease Replacement Period
You should look at the grease when you change
the carbon brush. (See item 4 in the section
MAINTENANCE AND INSPECTION.)
Ask for grease replacement at the nearest authorized
Hitachi Service Agent.
In the case that you are forced to change the grease
by yourself, please follow the following points.
2. How to replace grease
CAUTION:
Before replacing the grease, turn the power off and
pull out the power plug.
(1) Remove the crank cover and wipe off the old grease
inside (Fig. 9).
(2) Supply 30 g (the standard quantity to cover the
connecting rod) of Hitachi Electric Hammer Grease
A to the crank case.
(3) After replacing the grease, install the crank case
securely.
NOTE:
The Hitachi Electric Hammer Grease A is of the low
viscosity type. When the grease is consumed,
purchase from an authorized Hitachi Service Agent.
English
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