3.7

Out of 5 Ratings

Owner's of the Ryobi Drill HP412 gave it a score of 3.7 out of 5. Here's how the scores stacked up:
  • Reliability

    3.6 out of 5
  • Durability

    3.6 out of 5
  • Maintenance

    3.8 out of 5
  • Performance

    3.4 out of 5
  • Ease of Use

    4.0 out of 5
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12 13
INSTALLING BITS
See Figures 4 - 5.
n Lock the switch trigger by placing the direction of rotation
selector in center position.
n Open or close chuck jaws to a point where the opening
is slightly larger than the bit size you intend to use. Also,
raise the front of the drill slightly to keep the bit from fall-
ing out of the chuck jaws.
n Insert drill bit straight into chuck the full length of the
jaws.
n Tighten the chuck jaws on the drill bit.
n To tighten: grasp and hold the collar of the chuck with
one hand, while rotating the chuck body with your other
hand.
NOTE: Rotate the chuck body in the direction of the ar-
row marked LOCK to tighten chuck jaws.
n Do not use a wrench to tighten or loosen the chuck
jaws.
WARNING:
Make sure to insert the drill bit straight into the chuck
jaws. Do not insert the drill bit into the chuck jaws at an
angle then tighten, as shown in figure 5. This could cause
the drill bit to be thrown from the drill, resulting in possible
serious personal injury or damage to the chuck.
REMOVING BITS
See Figure 4.
n Lock the switch trigger by placing the direction of rotation
selector in center position.
n Loosen the chuck jaws from the drill bit.
n To loosen: grasp and hold the collar of the chuck with one
hand, while rotating chuck body with your other hand.
NOTE: Rotate chuck body in the direction of the arrow
marked UNLOCK to loosen chuck jaws.
n Do not use a wrench to tighten or loosen the chuck
jaws.
n Remove the drill bit from the chuck jaws.
NOTE: Rotate the chuck body in the direction of the arrow
marked GRIP to tighten the chuck jaws. DO NOT use a
wrench to tighten or loosen the chuck jaws.
BIT STORAGE
See Figure 6.
When not in use, bits provided with the drill can be placed
in the storage area located on the base of the drill.
OPERATION
Fig. 4
Fig. 5
CHUCK
BODY
CHUCK
COLLAR
CHUCK
JAWS
DRILL BIT
RELEASE
(UNLOCK)
GRIP
(TIGHTEN)
WRONG
BIT STORAGE
SCREWDRIVER BIT
Fig. 6