Specifications - Hitachi WH 9DMR Technical Data And Service Manual

6. SPECIFICATIONS

6-1. Specifications
Model
Item
Capacity
Tightening torque
Tip condition
Type of motor
Enclosure
Type of switch
Handle configuration
No-load rotational speed
Impact rate
Main body
Weight
Battery
Overall length x height
Center height
Battery (Type EB 9B)
Battery (Type EB 926H/
EB 930H)
Charger (For UC 14YFA)
Cordless impact driver
WH 9DMR
Small screw M4 --- M8 (5/32" --- 5/16")
Ordinary bolt M5 --- M12 (3/16" --- 15/32")
High-strength bolt M5 --- M10 (3/16" --- 25/64")
105 N m (1070 kgf cm, 930 in-lbs.)*
• •
6.35 mm (1/4") Bit holder
Fan cooled DC magnet motor
Main body: Polyamide resin
Aluminum alloy die casting
Storage battery: ABS resin (black)
Charger: ABS resin (black)
Trigger switch with forward/reverse changeover pushing button (with brake and variable)
T-type
0 --- 2,600 /min
0 --- 3,200 /min
1.4 kg (3.0 lbs.)
0.55 kg (1.2 lbs.)
155 mm (6-7/64") x 223 mm (8-25/32")
26.5 mm (1-3/64")
Sealed cylindrical nickel-cadmium batteries
Nominal voltage: DC 9.6 V
Nominal life: Charging/discharging approximately 300 cycles (in the case of Model
UC 18YG)
Nominal capacity: 2.0 Ah
Sealed cylindrical nickel-metal hydride batteries
Nominal voltage: DC 9.6 V
Nominal life: Charging/discharging approximately 500 cycles (in the case of Model
UC 14YFA)
Nominal capacity: 2.6 Ah/3.0 Ah
Charger power source: Single-phase AC, 50/60 Hz
Voltage: Depending on the order specification
Power input: 56 W
Charging system: Constant current charge with feedback control
Overcharge protection system: (1) Battery voltage detection (
Output voltage: 7.2 V --- 14.4 V
Output current: 2.6 A
Charging time: Approx. 50 minutes (for type EB 9B battery at 20 ûC)
Approx. 60 minutes (for type EB 926H battery at 20 ûC)
Approx. 70 minutes (for type EB 930H battery at 20 ûC)
Product weight: 0.6 kg
Operable ambient temperature range: 0 ûC --- 40 ûC
The maximum allowable temperature of the EB 9B type battery is 55ûC and the
EB 926HL or EB 930H type battery is 45 ûC.
Ordinary bolt M6 --- M14 (1/4" --- 9/16")
* 1
High-strength bolt M6 --- M10 (1/4" --- 3/8")
2
115 N
•
9.5 mm (3/8") Square drive
Housing
• • • • • •
Hammer case
• • • • • •
160 mm (6-19/64") x 223 mm (8-25/32")
Battery temperature detection (dT/dt system)
for Ni-MH battery
(2) Battery surface temperature detection
(thermistor)
(3) 120-minute timer
--- 6 ---
Cordless impact wrench
WR 9DMR
m (1170 kgf cm, 1020 in-lbs.)*
•
2 V system)
3