Hitachi HTC-DS12DVB2-TC Инструкция по эксплуатации онлайн [13/29] 1361
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(6) Precautions in the use of HSS Drill Bits
Although the Model DS 12DVB2 is designed for drilling capacities of 32 mm (1-1/4") in wood, and 13 mm
(1/2") in aluminum and mild steel, this capability is not as efficient as conventional electric power tools. In
particular, when drilling through aluminum material with a 13 mm (1/2") drill bit, the drill tends to become
locked when the drill bit penetrates through the material. For this reason, the customer should be cautioned to
reduce the thrust on the main body of the drill when drilling completely through the material to avoid locking
the tool. Repeated locking of the drill causes excessive current flow from the batteries which not only
decreases the amount of work possible per charge, but could also result in burning of the motor.
(7) Securely tighten the sleeve of the keyless chuck.
The keyless chuck may slip during operation if the shape of the drill bit shank is cylindrical depending on the
surface conditions, materials, etc. Please instruct the customers to retighten the keyless chuck more securely
if the keyless chuck slips during operation. The holding force of the keyless chuck is increased as the
tightening force of the keyless chuck is increased. The Model DS 12DVB2 is equipped with the locking device
to prevent loosening of the keyless chuck. The sleeve makes noise when tightening or loosening. This is
because of the locking device and there is no problem.
(8) Avoid continuous use.
Although the Model DS 12DVB2 can bear continuous operation under certain conditions, operating conditions
are different depending on material of workpiece and sharpness of the drill bit in use. Please instruct the
customers to avoid continuous use of the Model DS 12DVB2 and take a pause about 15 minutes after a single
charge operation as a guide.
B. Suggestions and precautions for the efficient use of the charger and storage batteries
If any of the storage batteries Types EB 1220BL and EB 1222HL is exposed to direct sunlight for an extended
period or if the temperature of the battery is high immediately after it has been used in the tool, the pilot lamp
(red) may not be turned on when the battery is connected to the charger. Chargeable temperature ranges of
each type of battery are specified as follows.
Type EB 1220BL: from -5ûC to 60ûC (from 23ûF to 140ûF)
Type EB 1222HL: from 0ûC to 45ûC (from 32ûF to 113ûF)
In such a case, the customer should be advised to place the battery in a shaded area with a good airflow, and
allow sufficient cooling before recharging. This phenomenon is common to all existing batteries that employ a
thermostat. The cooling time required before charging varies from a few minutes to about 30 minutes,
depending on the load, duration of use, and ambient temperature.
Содержание
- Hitach 1
- Model ds12dvb2 1
- Power tools 1
- Remark 2
- Contents 3
- Applications 4
- Marketing objective 4
- Product name 4
- Selling points 4
- 1 1 22 position adjustable torque setting 5
- 1 2 durable fan cooled powerful motor 5
- 1 3 13 mm 1 2 single sleeve keyless chuck with ratcheting lock mechanism 5
- 1 4 variable speed switch with braking function 5
- 1 selling point descriptions 5
- Effect ensuring improved durability in continuous operation 5
- Fig 1 clutch torque 5
- Holding the main unit with one hand while turning the sleeve with the other hand this model is also equipped 5
- In the variable speed range 5
- Is a convenient feature during actual working also the feedback system ensures a sufficiently large torque even 5
- Loosen 5
- Sleeve 5
- The braking function allows the driver unit to stop rotation immediately when the trigger switch is released which 5
- The cooling fan incorporated in the motor and the air vents provided in its outer frame greatly enhance the cooling 5
- The keyless chuck facilitates fast and easy replacement of driver bits replacement can be carried out simply by 5
- The torque can be set finely thanks to the adoption of the 22 clutch positions to improve the operability 5
- Tighten 5
- With ratcheting lock mechanism to prevent the chuck from loosening 5
- Specifications 7
- Comparisons with similar products 8
- Drilling and fastening performance comparison per charge 9
- Remark number of machine screws fastened per charge remark 1 number of holes or fasteners per charge the above table shows an example of test data the batteries used in this test data are as follows model ds 12dvb2 and c 2 ah the figures in parentheses indicate the values for a 2 ah battery as actually measured values listed in the above table may vary depending on sharpness of the drill bit workpiece hardness particularly in wood materials moisture content of wood charging condition operator skill etc this data should be used as a comparative guide only 9
- Working performance per single charge 9
- 1 safety instructions 10
- Precautions in sales promotion 10
- Caution 11
- 2 inherent drawbacks of cordless driver drills requiring particular attention during sales promotion 12
- 1 speed control mechanism 14
- 2 0 6 0 14
- Amount trigger switch is depressed mm 14
- Reference materials 14
- Rotation speed 14
- 1 precautions in disassembly and reassembly 15
- Repair guide 15
- 2 precautions in disassembly and reassembly of battery charger 23
- Ds12dvb2 24
- Model 10 20 30 40 fixed variable 24
- Standard repair time unit schedules 24
- Work flow 24
- Assembly diagram for ds12dvb2 25
- Cordless driver drill model ds 12dvb2 25
- Electric tool parts list 25
- Hitachi power tools 25
- Standard accessories 27
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