English Manual
Page 1
WARNING: To reduce the risk of operation, and operator safety. OPERATOR'S MANUAL 1/2 in. When properly cared for your purchase. Thank you for , it will give you years of rugged, trouble-free performance. HAMMER DRILL TWO-SPEED/REVERSIBLE DOUBLE INSULATED D552H Your hammer drill has been engineered and manufactured to our high standard for dependability, ease of injury, the user must read and understand the operator's manual before using this product. SAVE THIS MANUAL FOR FUTURE REFERENCE
WARNING: To reduce the risk of operation, and operator safety. OPERATOR'S MANUAL 1/2 in. When properly cared for your purchase. Thank you for , it will give you years of rugged, trouble-free performance. HAMMER DRILL TWO-SPEED/REVERSIBLE DOUBLE INSULATED D552H Your hammer drill has been engineered and manufactured to our high standard for dependability, ease of injury, the user must read and understand the operator's manual before using this product. SAVE THIS MANUAL FOR FUTURE REFERENCE
English Manual
Page 8
... HANDLE ASSEMBLY DIRECTION OF ROTATION SELECTOR (FOWARD/REVERSE) LOCK-ON BUTTON SWITCH TRIGGER Fig. 1 KNOW YOUR HAMMER DRILL See Figure 1. VARIABLE SPEED assist in controlling the depth of this product, familiarize yourself with either hammer mode or drilling mode depending on the tool and in . Before use the handle with all operating...
... HANDLE ASSEMBLY DIRECTION OF ROTATION SELECTOR (FOWARD/REVERSE) LOCK-ON BUTTON SWITCH TRIGGER Fig. 1 KNOW YOUR HAMMER DRILL See Figure 1. VARIABLE SPEED assist in controlling the depth of this product, familiarize yourself with either hammer mode or drilling mode depending on the tool and in . Before use the handle with all operating...
English Manual
Page 9
... not recommended for use of attachments or accessories not recommended can result in accidental starting and possible serious personal injury. PACKING LIST Hammer Drill with this product until you careless. Any such alteration or modification is complete. Failure to do not operate this product. ... do so could result in the packing list are damaged or missing, please call 1-800-525-2579 for the purposes listed below: Hammer drilling in concrete, brick, or other masonry Drilling in wood Drilling in ceramics, plastics, fiberglass, and laminates ...
... not recommended for use of attachments or accessories not recommended can result in accidental starting and possible serious personal injury. PACKING LIST Hammer Drill with this product until you careless. Any such alteration or modification is complete. Failure to do not operate this product. ... do so could result in the packing list are damaged or missing, please call 1-800-525-2579 for the purposes listed below: Hammer drilling in concrete, brick, or other masonry Drilling in wood Drilling in ceramics, plastics, fiberglass, and laminates ...
English Manual
Page 11
... insert the drill bit into the chuck jaws. Chuck KEY STORAGE RIGHT TO TIGHTEN TO LOOSEN Chuck KEY Drill Bit Chuck JAWS WRONG DRILLING/HAMMER MODE SELECTOR hammer drill 11 Chuck Fig. 5 Fig. 6 Fig. 7 Select normal drill mode when drilling with twist drills, hole saws, etc., in... accidental starting and serious personal injury. NOTE: The hammer drill has not been designed for type of drilling, slide the selector on top of the chuck jaws. Insert the drill bit. Also, ...
... insert the drill bit into the chuck jaws. Chuck KEY STORAGE RIGHT TO TIGHTEN TO LOOSEN Chuck KEY Drill Bit Chuck JAWS WRONG DRILLING/HAMMER MODE SELECTOR hammer drill 11 Chuck Fig. 5 Fig. 6 Fig. 7 Select normal drill mode when drilling with twist drills, hole saws, etc., in... accidental starting and serious personal injury. NOTE: The hammer drill has not been designed for type of drilling, slide the selector on top of the chuck jaws. Insert the drill bit. Also, ...
English Manual
Page 14
... the starting point. MAINTENANCE WARNING: When servicing, use . MASONRY DRILLING For maximum performance, use carbide-tipped masonry impact bits or designated hammer drill bits when drilling holes in brick, tile, concrete, etc. Slide adjustment button on these types of these materials, it is..., dust, oil, grease, etc. Use of any of materials. If operation is required. 14 Consequently, we do work on hammer drill left for hammer mode. Apply light pressure and medium speed for best results in contact with side shields during power tool operation or...
... the starting point. MAINTENANCE WARNING: When servicing, use . MASONRY DRILLING For maximum performance, use carbide-tipped masonry impact bits or designated hammer drill bits when drilling holes in brick, tile, concrete, etc. Slide adjustment button on these types of these materials, it is..., dust, oil, grease, etc. Use of any of materials. If operation is required. 14 Consequently, we do work on hammer drill left for hammer mode. Apply light pressure and medium speed for best results in contact with side shields during power tool operation or...
English Manual
Page 16
...08 (REV:01) ONE WORLD TECHNOLOGIES, INC. 1428 Pearman Dairy Road, Anderson, SC 29625 Phone 1-800-525-2579 www.ryobitools.com 16 HAMMER DRILL TWO-SPEED/REVERSIBLE DOUBLE INSULATED D552H WARNING: Some dust created by calling 1-800-525-2579. • How to obtain Replacement Parts: Replacement... parts can be purchased online at 1-800-525-2579. To reduce your model and serial number from chemically-treated lumber. Ryobi® is a registered trademark of work with approved safety equipment, such as those dust masks that are : • lead from lead-based...
...08 (REV:01) ONE WORLD TECHNOLOGIES, INC. 1428 Pearman Dairy Road, Anderson, SC 29625 Phone 1-800-525-2579 www.ryobitools.com 16 HAMMER DRILL TWO-SPEED/REVERSIBLE DOUBLE INSULATED D552H WARNING: Some dust created by calling 1-800-525-2579. • How to obtain Replacement Parts: Replacement... parts can be purchased online at 1-800-525-2579. To reduce your model and serial number from chemically-treated lumber. Ryobi® is a registered trademark of work with approved safety equipment, such as those dust masks that are : • lead from lead-based...
Repair Sheet
Page 2
HAMMER DRILL - For the service center nearest you call 1-800-525-2579. RYOBI 1/2 in damage to the double insulation system possibly causing electrical shock or electrocution. Any repairs requiring disassembly of a double insulated tool can result in . MODEL NUMBER D552H 3 7 49 8 1 5 9 12 13 2 4 10 11 42 6 48 22 23 27 28 10 30 31 29 32 33 14 16 17 19 20 40 18 15 43 24 44 47 25 45 26 21 46 45 50 41 44 34 35 36 37 38 39 WARNING: Improper repair of your tool requires safety testing and should only be performed by a Ryobi Authorized Service Center.
HAMMER DRILL - For the service center nearest you call 1-800-525-2579. RYOBI 1/2 in damage to the double insulation system possibly causing electrical shock or electrocution. Any repairs requiring disassembly of a double insulated tool can result in . MODEL NUMBER D552H 3 7 49 8 1 5 9 12 13 2 4 10 11 42 6 48 22 23 27 28 10 30 31 29 32 33 14 16 17 19 20 40 18 15 43 24 44 47 25 45 26 21 46 45 50 41 44 34 35 36 37 38 39 WARNING: Improper repair of your tool requires safety testing and should only be performed by a Ryobi Authorized Service Center.
Repair Sheet
Page 3
... (REV:00) PARTS LIST Description Qty. * SCREW (M8 x 96 mm 1 SQUARE WASHER 1 HANDLE SUPPORT 1 AUXILIARY HANDLE 1 DEPTH GAGE 1 SWITCH 1 HAMMER & DRILL MODEL SHIFT BUTTON 1 IMPACT PLATE 1 DATA LABEL 1 HOUSING ASSEMBLY 1 * SCREW (M4.2 x 14 mm 7 * SCREW (M6 x 22 mm 1...HOLD SLEEVE 1 NEEDLE BEARING 1 GEAR SHAFT ASSEMBLY 1 RETAINING RING 1 WASHER 1 BEARING BLOCK ASSEMBLY 1 RING 1 SHIFTING FORK BLOCK 1 ARMATURE ASSEMBLY (INC. RYOBI 1/2 in. MODEL NUMBER D552H The model number will be found on a plate attached to the motor housing. May Be Purchased Locally KEY NO. 0...
... (REV:00) PARTS LIST Description Qty. * SCREW (M8 x 96 mm 1 SQUARE WASHER 1 HANDLE SUPPORT 1 AUXILIARY HANDLE 1 DEPTH GAGE 1 SWITCH 1 HAMMER & DRILL MODEL SHIFT BUTTON 1 IMPACT PLATE 1 DATA LABEL 1 HOUSING ASSEMBLY 1 * SCREW (M4.2 x 14 mm 7 * SCREW (M6 x 22 mm 1...HOLD SLEEVE 1 NEEDLE BEARING 1 GEAR SHAFT ASSEMBLY 1 RETAINING RING 1 WASHER 1 BEARING BLOCK ASSEMBLY 1 RING 1 SHIFTING FORK BLOCK 1 ARMATURE ASSEMBLY (INC. RYOBI 1/2 in. MODEL NUMBER D552H The model number will be found on a plate attached to the motor housing. May Be Purchased Locally KEY NO. 0...