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OPERATION

WARNING:

Your drill should never be connected to power supply
when you are assembling parts, making adjustments,
installing or removing drill bits, or when not in use.
Disconnecting your drill will prevent accidental starting
that could cause serious injury.

TO INSTALL BITS

See Figure 6.

1. UNPLUG YOUR DRILL.

WARNING:

Failure to unplug your drill could result in accidental
starting causing serious injury.

2. Open or close the chuck jaws to a point where the

opening is slightly larger than the drill bit you intend to
use. Also, raise the front of your drill slightly to keep the
drill bits from falling out of the chuck jaws.

3. Insert drill bit into chuck the full length of the jaws.

WARNING:

Do not insert drill bit into chuck jaws and tighten as shown in
figure 7. This could cause drill bit to be thrown from your drill
resulting in possible serious personal injury or damage to your
chuck.

4. Tighten the chuck jaws securely on drill bit.

5. To tighten the chuck jaws on drill bit; 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
arrow marked LOCK to tighten chuck jaws. Do not use
a wrench to tighten or loosen the chuck jaws.

TO REMOVE BITS

1. UNPLUG YOUR DRILL.

WARNING:

Failure to unplug your drill could result in accidental
starting causing serious injury.

2. Loosen the chuck jaws from drill bit.

3. 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. Do not use a
wrench to tighten or loosen the chuck jaws.

4. Remove drill bit from chuck jaws.

KEYLESS

CHUCK JAWS

DRILL BIT

KEYLESS CHUCK

Fig. 6

RIGHT

Fig. 7

WRONG

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Summary of Contents for D28VSR

Page 1: ...years of rugged trouble free performance CAUTION Carefully read through this entire owner s manual before using your new drill Pay close attention to the Rules for Safe Operation Warnings and Cautions...

Page 2: ...by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper accident prevention measures SYMBOL MEANING SAFETY ALERT SYMBOL Indicates caution or warning M...

Page 3: ...heat oil and sharp edges 15 SECURE WORK Use clamps or a vise to hold work Both hands are needed to operate the tool 16 DON T OVERREACH Keep proper footing and balance at all times Do not use on a ladd...

Page 4: ...cated elsewhere in this instruction manual 31 DO NOT USE TOOL IF SWITCH DOES NOT TURN IT ON AND OFF Have defective switches replaced by an authorized service center 32 DRILLING INTO ELECTRICAL WIRING...

Page 5: ...d the motor will overheat If this tool does not operate when plugged into an outlet double check the power supply KNOW YOUR ELECTRIC DRILL See Figure 1 Before attempting to use your drill familiarize...

Page 6: ...o turn your drill OFF LOCK ON BUTTON See Figure 3 Your drill is equipped with a lock on feature which is convenient when continuous drilling for extended periods of time is required To lock on depress...

Page 7: ...of your drill Turn counterclockwise to decrease the speed and torque of your drill If you desire to lock the switch on at a given speed depress the switch trigger push in and hold the lock on button a...

Page 8: ...could cause drill bit to be thrown from your drill resultinginpossibleseriouspersonalinjuryordamagetoyour chuck 4 Tighten the chuck jaws securely on drill bit 5 To tighten the chuck jaws on drill bit...

Page 9: ...ressure to keep the bit cutting Do not force your drill or apply side pressure to elongate a hole Let your drill and bit do the work See Figure 8 WARNING Be prepared for binding or breakthrough When t...

Page 10: ...5 This will loosen the chuck on the spindle 6 It can now be unscrewed by hand See Figure 9 7 Open the chuck jaws and remove hex key wrench TO RETIGHTEN A LOOSE CHUCK The chuck may at times become loos...

Page 11: ...is heavy enough to carry the current the tool will draw A wire gage size A W G of at least 16 is recommended for an extension cord 100 feet or less in length When working outdoors use an extension cor...

Page 12: ...Ryobi Authorized Service Center You can also check our web site at www ryobi com for a complete list of Authorized Service Centers MODEL NO AND SERIAL NO The model number of this tool will be found o...

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