10
Replacing the Keyless Chuck
1.
Set the rotational direction switch to the middle position.
Caution:
To minimize the risk of accidental activation,
always ensure the rotational direction switch is in the
neutral (middle) position before performing any
maintenance work on the hammer drill, as well as
during transportation and storage.
2.
The keyless chuck is secured with a securing screw to prevent it
from unintentionally coming loose from the hammer drill
spindle. Remove this screw by completely opening the chuck
and unscrewing the screw, which has a left-handed thread, in a
clockwise direction.
3.
Remove the chuck as follows:
a)
Place the hammer drill on a stable surface, such as a
workbench.
b)
Clamp the short end of an Allen key in to the chuck.
c)
Turn the Allen key counterclockwise to loosen the chuck.
d)
Remove the Allen key from the chuck and completely
unscrew the chuck by hand.
4.
Mount a new chuck on to the hammer drill as follows:
a)
Screw the chuck clockwise on to the hammer drill by hand.
b)
Clamp the short end of an Allen key in to the chuck.
c)
Turn the Allen key clockwise to tighten the chuck to a
tightening torque of approximately 20-25 Nm.
5.
Open the keyless chuck completely, and screw in the securing
screw counterclockwise, to a tightening torque of
approximately 4-5 Nm.
Содержание HD-18-3Li-50
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