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Hitachi WH 12D Handling Instructions Manual page 38

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You could get hurt or the movement of the socket
could shake the impact wrench so much as to
make you drop it.
10. Always charge the battery at a temperature of 5
– 40°C.
A temperature of less than 5°C will result in over
charging which is dangerous. The battery cannot
be charged at a temperature greater than 40°C.
The most suitable temperature for charging is that
of 20 – 25°C.
11. Do not use the charger continuously.
When one charging is completed, leave the charger
for about 15 minutes before the next charging of
battery.
12. Do not allow foreign matter to enter the hole for
connecting the rechargeable battery.
13. Never disassemble the rechargeable battery and
charger.
14. Never short-circuit the rechargeable battery.
Short-circuiting the battery will cause a great
SPECIFICATIONS
POWER TOOL
Model
No-load speed
Capacity
Tightening torque
Square drive
Full load impact rate
Rechargeable battery
Weight
CHARGER
Model
Charging time
Charging voltage
Weight
STANDARD ACCESSORIES
〈WH12D (1HC)〉
1. Charger (UC12Y) ....................................................... 1
2. Hanger (includes hanger plate, M4 screw) ........ 1
〈WH12D (1HCK)〉
1. Charger (UC12Y) ....................................................... 1
2. Hanger (includes hanger plate, M4 screw) ........ 1
3. Plastic case
Standard accessories are subject to change without
notice.
36
WH12D
0 – 1500/min
M6 – M14 (Ordinary bolt)
M6 – M12 (High tension bolt)
Maximum 1200 kg-cm
Tightening is M14 high tension bolt (hardness division 12.9),
when fully charged in 20°C temp. Tightening time: 3 sec.
See Figs. 9, 10 and 11.
12.7 mm
0 – 2300/min
EB12
Ni-Cd battery, 12V. No. of times. rechargeable: Over 300
2.3 kg
UC12Y
Approx. 60 min. (at 20°C)
2.4 – 12 V
1.3 kg
electric current and overheat. It results in burn or
damage to the battery.
15. Do not dispose of the battery in fire.
If the battery burnt, it may explode.
16. Do not insert object into the air ventilation slots
of the charger.
Inserting metal objects or inflammables into the
charger air ventilation slots will result in electrical
shock hazard or damaged charger.
17. Bring the battery to the shop from which it was
purchased as soon as the post-harging battery life
becomes too short for practical use. Do not dispose
of the exhausted battery.
18. Using an exhausted battery will damage the
charger.
MODEL
WH12D (1HC) : With charger
WH12D (1HCK) : With charger and case

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