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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

Содержание D550H

Страница 1: ...Properly cared for it will give you years of rugged trouble free performance WARNING To reduce the risk of injury the user must read and understand the operator s manual Thank you again for buying a...

Страница 2: ...ety glasses with side shields and a full face shield when needed We recommend Wide Vision Safety Mask for use over eyeglasses or standard safety glasses with side shields Always wear eye protection wh...

Страница 3: ...othing or jewelry Contain long hair Keep your hair cloth ing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in mov ing parts or drawn into air vents Avoid accidenta...

Страница 4: ...lec tric shock or fire Make sure your extension cord is in good condi tion When using an extension cord be sure to use one heavy enough to carry the current your product will draw A wire gage size A W...

Страница 5: ...eserve your careful attention and understanding The safety warnings do not by themselves eliminate any danger The instructions or warnings they give are not substitutes for proper accident prevention...

Страница 6: ...or the purposes listed below Hammer drilling in concrete brick or other masonry Drilling in wood Drilling in ceramics plastics fiberglass and laminates Drilling in both soft and hard metals Using driv...

Страница 7: ...verheat If your tool does not operate when plugged into an outlet double check the power supply SWITCH Your hammer drill has a conveniently located trigger switch LOCK ON The hammer drill contains a l...

Страница 8: ...te accessories not recommended for use with this tool Any such alteration or modification is misuse and could result in a hazardous condition leading to possible serious personal injury HANDLE ASSEMBL...

Страница 9: ...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 Thi...

Страница 10: ...assembly by turning the handle counterclockwise Adjust the depth gauge rod so that the drill bit ex tends beyond the end of the rod to the required drilling depth Tighten the handle assembly by turnin...

Страница 11: ...e gears engage CAUTION Never change gears while the tool is running Failure to obey this caution could result in serious damage to the drill CHANGING THE ROTATION See Figure 8 The direction of the chu...

Страница 12: ...ock on button NOTE To release the lock depress the switch trigger DRILLING See Figure 11 Follow these directions to drill Depress and release the switch trigger to make sure the drill is in the OFF po...

Страница 13: ...however you do work with any of these materials it is extremely important that the tool is cleaned frequently by blowing with an air jet MAINTENANCE WARNING Always wear safety goggles or safety glasse...

Страница 14: ...key sharply with a mallet in a counterclockwise direction Unscrew the chuck by hand TIGHTENING THE CHUCK See Figures 12 and 13 The chuck may become loose on the spindle and begin to shake when using t...

Страница 15: ...15 NOTES...

Страница 16: ...RING REPAIR PARTS ALWAYS GIVE THE FOLLOWING INFORMATION MODEL NUMBER SERIAL NUMBER D550H EXTENSION CORD CAUTION When using a power tool at a considerable distance from a power source be sure to use an...

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