DeWalt DW502 Instruction Manual page 6

rotatIon DrIllIng
for steel, wood and plastics.
PercussIon DrIllIng
simultaneous rotating and impacting for concrete and
masonry drilling operations.
Select the required operating mode by rotating the mode selector
(B) to the required position.
Trigger lock (fig. 1)
To lock it, pull the trigger and push the trigger lock (F) up. To
release it, pull the trigger completely.
mounting
WARNING: Before attaching or changing any accessories on
your tool, disconnect the plug from the main outlet.
inserting and removing a bit (fig. 1)
keyeD cHuck
1. Open the chuck by turning the sleeve counterclockwise and
insert the bit shank.
2. Put the chuck key (not shown) into each hole in the side of the
chuck and turn clockwise until tight.
To remove the bit, proceed in reverse order.
fitting the Side Handle (fig. 2)
The side handle (g) can be fitted to suit both right-hand and left-
hand users.
WARNING: Always use the drill with the side handle properly
assembled.
WARNING: For safe operation, always use the side handle,
particularly when working in percussion mode.
1. Loosen the side handle.
– For right-hand users, slide the
side handle clamp over the
collar behind the chuck, handle
at the left.
– For left-hand users, slide the
side handle clamp over the
collar behind the chuck, handle
at the right.
2. Rotate the side handle to the
desired position and tighten the
handle.
note: For operation
convenience, the side handle
can be turned 360 degrees.
chuck removal (fig. 3)
1. Open the chuck jaws as far as
possible.
2. Tighten a hex key into the
chuck and strike it with a
hammer as shown.
5
Fig. 2
g
Fig. 3