10
WX279 WX279.X
Lithium-Ion Brushless
Impact Wrench
** Voltage measured without workload. Initial battery
voltage reaches maximum of 20 volts. Nominal
voltage is 18 volts.
*** X=1-999, A-Z, M1-M9 there are only used for
different customers, there are no safe relevant
changes between these models.
Category Model Capacity
20V Battery
WA3550 1.5 Ah
WA3550.1
1.5 Ah
WA3551 2.0 Ah
WA3551.1 2.0 Ah
WA3553 4.0 Ah
20V Charger
WA3760 0.4 A
WA3869 2.0 A
WA3880
2.0 A
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:
This tool is intended for the fastening and loosening
of bolts, nuts and various threaded fasteners. This
tool is not intended for use as a drill.
ASSEMBLY AND
OPERATION
ACTION FIGURE
BEFORE OPERATION
Removing the Battery Pack
See Fig. A1
Charging the Battery
See Fig. A2
Installing the Battery Pack
See Fig. A3
Checking the battery condition (only for
WX279)
See Fig. A4
ASSEMBLY
Inserting and Removing Socket (not
supplied)
See Fig.
B1, B2
Assembling the belt hook
See Fig.
C1, C2
OPERATION
Switch Lock
See Fig. D1
Forward And Reverse Rotation
Control
WARNING: Never Change
The Direction Of Rotation
When The Chuck Is Rotating,
Wait Until It Has Stopped!
See Fig.
D2, D3
Variable Speed Control See Fig. E
Operating the On/Off Switch
WARNING: Do not operate
for long periods at low
speed because excess heat will
be produced internally.
See Fig. F