Cordless Rotary Hammer  EN
11
the exposure level over the total working period.
Helping to minimise your vibration and noise 
exposure risk.
Always use sharp chisels, drills and blades.
Maintain this tool in accordance with these 
instructions and keep well lubricated (where 
appropriate).
If the tool is to be used regularly then invest in anti 
vibration and noise accessories.
Plan your work schedule to spread any high 
vibration tool use across a number of days.
ACCESSORIES
WX392 WX392.9 WX392.2
Battery charger
1 
(WA3880)
/
1 
(WA3880)
Battery pack 
(WA3553)
2/1
SDS drill bits
3 (8mm, 10mm, 
12mm)
/
Kit of SDS bits 
& chisel point
/1
We recommend that you purchase your accessories 
from the same store that sold you the tool. Refer to 
the accessory packaging for further details. Store 
personnel can assist you and offer advice.
OPERATING INSTRUCTIONS
NOTE: Before using the tool, read the 
instruction book carefully. 
INTENDED USE
The machine is intended for hammer drilling and 
chiseling in concrete, brick and stone. It can be used 
for chiseling in concrete and tile in different required 
angle, without other tool. It is also suitable for drilling 
without impact in wood, metal, ceramic and plastic. 
OPERATION
ACTION FIGURE
Inserting drill bit / chisel  See Fig. A1
Removing drill bit / chisel See Fig. A2
Adjusting the auxiliary handle  See Fig. B
Adjusting the depth gauge See Fig. C
Checking the battery charge condition
NOTE: 
Fig. D1 only applies for the 
battery pack with battery indicator light.
See Fig. D1
Charging the battery pack
NOTE: 
•  The battery is shipped uncharged. 
It must be fully charged before the 
first use.
•  More details can be found in 
charger’s manual.
See Fig. D2
Inserting or removing the battery pack
See Fig. 
E1, E2
Forward and reverse rotation control
WARNING: Never change the 
direction of rotation when 
the chuck is rotating, wait until it 
has stopped!
See Fig. 
F1, F2
Switch lock
Note: The switch trigger can be 
locked in the off (center) position.
See Fig. F3
On/off switch with variable speed 
control
See Fig. G
Selecting the function mode
More details refer to FUNCTION 
SELECTION
WARNING: The function 
selector dial may be actuated only 
at a standstill.
WARNING: Prolonged use will 
cause the aluminum housing to 
become hot, do not touch.
See Fig. H
Drilling (SDS Keyless chuck adaptor 
– not supplied)***
See Fig. I
Impact drilling  See Fig. J
Chiseling See Fig. K
Bit rotation (only use it for chiseling) 
NOTE: Turn the locking sleeve round 
by hand to choose an appropriate 
bit angle for chiseling, then rotate 
the function selector dial to select 
chiseling  
 symbol. Now you can 
start chiseling with the required angle 
by this machine.
See Fig. L1
Chiseling with an required bit angle See Fig. L2
Temperature dependent overload 
protection
/
Protection against deep discharging /
***NOTE: The SDS keyless chuck adaptor illustrated 
or described in operation table or figures is not 
included in WX392 delivery. It is sold separately.