Ryobi D550H Drill User Manual


 
9
Fig. 2
WARNING:
Always wear safety goggles or safety glasses with
side shields when operating this tool. Failure to do
so could result in dust, shavings, or loose particles
being thrown into your eyes, resulting in possible
serious injury.
INSERTING BITS
See Figure 2.
Follow these directions to insert bits.
Unplug the hammer drill.
WARNING:
Failure to unplug the tool could result in accidental
starting causing possible serious injury.
Position the chuck jaws so that the opening is slightly
larger than the drill bit you intend to use.
NOTE: To open the chuck jaws, turn the chuck collar
counterclockwise. To close the chuck jaws, turn the
chuck collar clockwise.
Raise the front of the drill to keep the drill bit from
falling out of the chuck jaws.
WARNING:
Do not insert a drill bit into the chuck jaws and
tighten as shown in Figure 3. This could cause the
drill bit to be thrown from the drill resulting possible
serious injury or damage to the chuck.
Insert the drill bit completely into the chuck.
Tighten the chuck jaws securely on the drill bit using
the chuck key provided. Do not use a wrench to
tighten or loosen the chuck jaws.
REMOVING BITS
Follow these directions to remove bits.
Unplug the hammer drill.
WARNING:
Failure to unplug the tool could result in accidental
starting causing possible serious injury.
Loosen the chuck jaws using the chuck key pro-
vided.
Remove the drill bit from the chuck jaws.
Fig. 3
RIGHT
WRONG
DRILL BIT
CHUCK JAWS
CHUCK COLLAR
OPERATION