English
37
(4) Engage the guide plate with the core bit, and turn
the guide plate to the left or the right so that it
does not fall even if it faces downward (
Fig. 19
).
2. How to bore (
Fig. 20
)
(1) Connect the plug to the receptacle.
(2) A spring is installed in the center pin.
Push it lightly to the wall or the
fl
oor straight.
Connect all over the surface of the core bit tip
and start operating.
(3) When boring about 5 mm in depth the position
of the hole will be establish. Bore after that
removing the center pin and the guide plate
from core bit.
(4) Application of excessive force will not only
expedite the work, but will deteriorate the tip
edge of the drill bit, resulting in reduced service
life of the rotary hammer.
CAUTION
When removing the center pin and the guide
plate, turn OFF the switch and disconnect the
plug from the receptacle.
3. Dismounting
(
Fig. 21
)
Remove the core bit shank from the rotary
hammer and strike the head of the core bit shank
strongly two or three times with a manual hammer
holding the core bit, then the thread becomes loose
and the core bit can be removed.
GREASE REPLACEMENT
This Rotary Hammer is of full air-tight construction to protect against dust and to prevent lubricant
leakage.
Therefore, this Rotary Hammer can be used without lubrication for long periods. Replace the
grease as described below.
Grease Replacement Period
After purchase, replace grease after every 6 months of usage. Ask for grease replacement at the
nearest authorized Service Center.
MAINTENANCE AND INSPECTION
WARNING
Be sure to switch power OFF and disconnect the plug from the receptacle during
maintenance and inspection.
Center pin
Guide plate
Core bit tip
Core bit
Fig. 19
Fig. 20
Core bit
shank
Fig. 21
000Book̲DH52ME̲ChS.indb 37
000Book̲DH52ME̲ChS.indb 37
2017/04/17 11:33:50
2017/04/17 11:33:50
