CAUTIO N:
Never use "rotation with hammering" when the drill chuck assembly is installed on the tool. The drill chuck assembly may be damaged. Also, the drill chuck will come off when reversing the tool.
NOTE:
If you need assembled the drill chuck and chuck adapter assembly, proceed as follows.
Secure the drill chuck in a vise or similar | Chuck key |
securing devise. Place the chuck key in one | |
of the three holes so that the chuck body will | |
not turn. | |
|
Remove the screw from the chuck adapter assembly and screw the chuck adapter into the drill chuck. Use a wrench t o tighten the chuck adapter securely, applying about 300
-400 kgf . c m (21.6 - 28.9 Ib . ft) torque. [Note: you can obtain 300 - 400 kgf . c m (21.6
-28.9 Ib . ft) torque by applying pressure of 30 - 40 kg ( 6 6 - 88 Ibs) to the wrench while holding the portion 10 c m (4") form the wrench head.]
Open the chuck jaws fully and insert the screw through the chuck opening. Tighten the screw counterclockwise with a screw- driver.
Hammer drilling performance
"$-
IScrew
The following reference table indicates the approximate hammer drilling capacities from a single charge. It may differ under some conditions.
| Bit diameter | I |
| Hole deDth | |
6 | .5 | mm (114") |
| 3 0 | mm |
8 | .5 | mm (21164") | I | 3 0 | mm |
10.5 mm (13132") | 4 0 mm | ||||
14.5 mm (9/16") | I | 4 0 | mm | ||
Compressive strength of concrete: 240 kg/cm2 (3,400 Ibs/inch21
I
I I
No. holes
About 50
About 40
About 20
About 13
CAUTION:
If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 15 minutes before proceeding with a fresh battery.
14
