Precautions For Cordless Angle Impact Driver; Caution On Lithium-Ion Battery - Hitachi WH 14DCL Handling Instructions Manual

PRECAUTIONS FOR CORDLESS ANGLE IMPACT
DRIVER
1. This is portable tool for tightening and loosenig screws. 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 fi rmly with both hands
when operating.
4. After installing the driver bit, pull lightly out the bit to make sure that it does not
come loose. If the bit is not installed properly, it can come loose during use, which
can be dangerous.
5. Use the bit that matches the screw.
6. Tightening a screw with the angle impact driver at an angle to that screw can
damage the head of the screw and the proper force will not be transmitted to the
screw. Tighten with this angle impact driver lined up straight with the screw.
7. Always charge the battery at a temperature of 0 – 40°C. Charging the battery at
temperatures outside the range of 0 – 40°C may prevent proper charging and
reduce battery life.
The most suitable temperature for charging is that of 20 – 25°C.
8. When one charging is completed, leave the charger for about 15 minutes before
the next charging of battery.
Do not charge the battery more than 2 hours.
9. Do not allow foreign matter to enter the hole for connecting the battery.
10. Never disassemble the battery and charger.
11. Never short-circuit the battery. Short-circuiting the battery will cause a great
electric current and overheat. It results in burn or damage to the battery.
12. Do not dispose of the battery in fi re.
If the battery is burnt, it may explode.
13. When drilling in wall, fl oor or ceiling, check for buried electric power cord, etc.
14. Bring the battery to the shop from which it was purchased as soon as the post-
charging battery life becomes too short for practical use. Do not dispose of the
exhausted battery.
15. Using an exhausted battery will damage the charger.
16. Do not insert object into the air ventilation slots of the charger.
Inserting metal objects or infl ammables into the charger air ventilation slots will
result in electrical shock hazard or damaged charger.

CAUTION ON LITHIUM-ION BATTERY

To extend the lifetime, the lithium-ion battery equips with the protection function to stop
the output.
In the cases of 1 to 3 described below, when using this product, even if you are pulling
the switch, the motor may stop. This is not the trouble but the result of protection
function.
19
English