4
GENERAL OPERATIONAL PRECAUTIONS
1. Keep work area clean. Cluttered areas and benches
invite accidents.
2. Avoid dangerous environment. Don’t expose power
tools and charger to rain. Don’t use power tools and
charger in damp or wet locations. And keep work
area well lit. Never use power tools and charger
near flammable or explosive materials. Do not use
tool and charger in presence of flammable liquids
or gases.
3. The appliance is not intended for use by young
children or infirm persons without supervision. Young
children should be supervised to ensure that they
do not play with the appliance. All visitors should
be kept safe distance from work area.
4. Store idle tools and charger. When not in use, tools
and charger should be stored in dry, high or locked-
up place-out of reach of the children and infirm
persons. Store tools and charger in a place where
the temperature is less than 40°C.
5. Don’t force tool. It will do the job better and safer
at the rate for which it was designed.
6. Use right tool. Don’t force small tool or attachment
to do the job of a heavy duty tool.
7. Wear proper apparel. Do not wear loose clothing
or jewelry. They can be caught in moving parts.
Rubber gloves and non-skid footwears are
recommended when working outdoor.
8. Use eye protection with most tools. Also use face
or dust mask if cutting operation is dusty.
9. Don’t abuse cord. Never carry charger by cord or
yank it to disconnect from receptacle. Keep cord
from heat, oil and sharp edges.
10. 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.
11. Don’t overreach. Keep proper footing and balance
at all times.
12. Maintain tools with care. Keep tools sharp at all
times, and clean for best and safest performance.
Follow instructions for lubricating and changing
accessories.
13. When the charger is not in use, or when being
maintained and inspected, disconnect its power cord
from the receptacle.
14. Remove chuck wrenches and wrenches. Form habit
of checking to see that wrenches are removed from
tool before turning it on.
15. Avoid accidental starting. Don’t carry tool with finger
on switch.
16. To avoid danger, always use only the specified
charger.
17. Use only genuine HITACHI replacement parts.
18. Do not use power tools for applications other than
those specified in the Handling Instructions.
19. To avoid personal injury, use only the accessories
or attachment recommended in these handling
instructions or in the HITACHI catalog.
20. Let only the authorized service center do the repairing.
The Manufacturer will not be responsible for any
damages or injuries caused by repair by the
unauthorized persons or by mishandling of the tool.
21. To ensure the designed operational integrity of power
tools and charger, do not remove installed covers
or screws.
22. Always use the charger at the voltage specified on
the nameplate.
23. Do not touch movable parts or accessories unless
the power source has been disconnected.
24. Always charge the battery before use.
25. Never use a battery other than that specified. Do not
connect a usual dry cell, a rechargeable battery other
than that specified or a car battery to the power tool.
26. Do not use any transformer that has a booster.
27. Do not charge the battery from an engine electric
generator or DC power supply.
28. Always charge indoors. Because the charger and
battery heat slightly during charging, charge the battery
in a place not exposed to direct sunlight; where the
humidity is low and the ventilation is good.
29. Before starting to work in a high place, pay attention
to the activities below to make sure there are no
people below.
30. Use the exploded assembly drawing on this handling
instructions only for authorized servicing.
31. If the supply cord is damaged, it must be replaced
by the manufacture or its service agent or a similary
qualified person in order to avoid a hazard.
PRECAUTIONS FOR CORDLESS IMPACT
WRENCH
1. This is a portable tool for tightening and loosening
bolts and nuts. Use it only for these operation.
2. Use the earplugs if using for a long time.
3. One-hand operation is extremely dangerous; hold
the unit firmly with both hands when operating.
4. Check that the socket is not cracked or broken.
Broken or cracked sockets are dangerous. Check the
socket before using it.
5. Secure the socket with the socket pin and the ring.
If the socket pin or ring securing the socket is
damaged, the socket may come off from the impact
wrench, which is quite dangerous. Do not use socket
pins or rings that are deformed, worn out, cracked,
or in any other way damaged. Always make sure
to install the socket pin and ring in the correct
position.
6. Check the tightening torque.
The appropriate torque for tightening a bolt depends
on the material the bolt is made of, its dimensions,
grade, etc.
Also, the tightening torque generated by this impact
wrench depends on the materials and dimensions
of the bolt, how long the impact wrench is applied
for the way in which the socket is installed, etc.
Also the torque when the battery has just been
charged and when it is about to run out are slightly
different. Use a torque wrench to check that the bolt
has been tightened with the appropriate torque.
7. Stop the impact wrench before switching the direction
of rotation. Always release the switch and wait for
impact wrench to stop before switching the direction
of rotation.
8. Never touch the turning part.
Do not allow the turning socket section to get near
your hands or any other part of your body. You
could be cut or caught in the socket. Also, be careful
not to touch the socket after using continuously it
for a long time. It gets quite hot and could burn
you.