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WARNING: 

If any parts are missing do not operate this tool until the 
missing parts are replaced. Failure to heed this warning 
could result in possible serious personal injury.

WARNING: 

Do  not  attempt  to  modify  this  tool  or  create  accesso-
ries 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.

WARNING:

Do  not  connect  to  power  supply  until  assembly  is
complete.  Failure  to  comply  could  result  in  accidental 
starting and possible serious personal injury.

ASSEMBLY

UNPACKING

This product has been shipped completely assembled.

n

  Carefully remove the tool and any accessories from the 

box. Make sure that all items listed in the packing list are 
included.

n

  Inspect the tool carefully to make sure no breakage or 

damage occurred during shipping.

n

  Do not discard the packing material until you have care-

fully inspected and satisfactorily operated the tool.

n

  If  any  parts  are  damaged  or  missing,  please  call

1-800-525-2579 for assistance.

PACKING LIST

Hammer Drill
Carrying Case
Operator’s Manual
Warranty Registration Card

WARNING:

Do  not  allow  familiarity  with  tools  to  make  you  care-
less. Remember that a careless fraction of a second is
sufficient to inflict serious injury.

WARNING:

Always wear safety goggles or safety glasses with side 
shields  when  operating  power  tools.  Failure  to  do  so 
could  result  in  objects  being  thrown  into  your  eyes
resulting in possible serious injury.

WARNING:

Do  not  use  any  attachments  or  accessories  not
recommended by the manufacturer of this tool. The use 
of  attachments  or  accessories  not  recommended  can 
result in serious personal injury.

OPERATION

APPLICATIONS

You may use this tool for 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 driving accessories such as driving screws with 
screwdriver bits

Mixing paint

Содержание D551H

Страница 1: ...operation and operator safety When 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 ma...

Страница 2: ...Assembly 10 n Operation 10 14 n Maintenance 14 15 n Parts Ordering Service 16 TABLE OF CONTENTS INTRODUCTION This tool has many features for making its use more pleasant and enjoyable Safety performan...

Страница 3: ...tool n Keep the tool and its handle dry clean and free from oil and grease Always use a clean cloth when clean ing Never use brake fluids gasoline petroleum based products or any strong solvents to cl...

Страница 4: ...ed should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts mounting and a...

Страница 5: ...njury user must read and understand operator s manual before using this product Eye Protection Always wear safety goggles or safety glasses with side shields or a full face shield when operating this...

Страница 6: ...ially hazardous situation which if not avoided may result in minor or moderate injury CAUTION Without Safety Alert Symbol Indicates a situation that may result in property damage WARNING To avoid seri...

Страница 7: ...ion cords before each use If damaged replace immediately Never use tool with a damaged cord since touching the damaged area could cause electrical shock resulting in serious injury DOUBLE INSULATION D...

Страница 8: ...2 in Hammer Speed Low 0 16 000 BPM High 0 48 000 BPM No Load Speed Low 0 1 000 min High 0 3 000 min Input 120 V 60 Hz AC only 5 5 Amps Net Weight 5 75 lbs Blows Per Minute AUXILIARY HANDLE ASSEMBLY D...

Страница 9: ...perating in different positions and at different angles GRIPZONE OVERMOLD TECHNOLOGY The hammer drill features Gripzone overmold technology for improved comfort with a positive grip LOCK ON BUTTON The...

Страница 10: ...ve care fully inspected and satisfactorily operated the tool n If any parts are damaged or missing please call 1 800 525 2579 for assistance PACKING LIST Hammer Drill Carrying Case Operator s Manual W...

Страница 11: ...igure 3 This could cause the drill bit to be thrown from the drill resulting in possible serious injury or damage to the chuck n Insert the drill bit completely into the chuck n Tighten the chuck jaws...

Страница 12: ...See Figure 7 CAUTION Never change gears while the tool is running Failure to obey this caution could result in serious damage to the drill The hammer drill has a two speed knob that provides a high s...

Страница 13: ...mmer ing Failure to heed this caution may result in damage to the drill LOCKING ON See Figure 10 The lock on feature allows you to lock the drill on when you operate it continuously for extended perio...

Страница 14: ...Plug the hammer drill into a power supply n Hold the drill firmly and place the bit at the point to be drilled n Depress the switch trigger to start the drill n Move the drill bit into the workpiece...

Страница 15: ...he hex key sharply with a mallet in a clockwise direction n Open the chuck jaws and remove the hex key n Remove the chuck screw by turning it in a clockwise direction with a screwdriver NOTE The screw...

Страница 16: ...l or visit Please call 1 800 525 2579 for your nearest Ryobi Authorized Service Center You can also check our web site at www ryobitools com for a complete list of Authorized Service Centers MODEL NO...

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