HIKOKI DH 28PEC Handling Instructions Manual
Rotary Hammer
DH 28PEC
Read through carefully and understand these instructions before use.
Handling instructions
Symbols
WARNING
The following show symbols used for the machine. Be sure that you understand their meaning before use.
To reduce the risk of injury, user must
read instruction manual.
Failure to follow the warnings and
instructions may result in electric shock, fi re
and/or serious injury.
Only for EU countries
Do not dispose of electric tools together with
household waste material!
In observance of European Directive
2002/96/EC on waste electrical and
electronic equipment and its implementation
in accordance with national law, electric tools
that have reached the end of their life must
be collected separately and returned to an
environmentally compatible recycling facility.
GENERAL POWER TOOL SAFETY WARNINGS
WARNING
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may result in
electric shock, fi re and/or serious injury.
Save all warnings and instructions for future reference.
The term “power tool” in the warnings refers to your mainsoperated (corded) power tool or battery-operated (cordless)
power tool.
1) Work area safety
a) Keep work area clean and well lit.
Cluttered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
fl ammable liquids, gases or dust.
Power tools create sparks which may ignite the dust
or fumes.
c) Keep children and bystanders away while
operating a power tool.
Distractions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet.
Never modify the plug in any way.
Do not use any adapter plugs with earthed
(grounded) power tools.
Unmodifi ed plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or grounded
surfaces, such as pipes, radiators, ranges and
refrigerators.
There is an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions.
Water entering a power tool will increase the risk of
electric shock.
d) Do not abuse the cord. Never use the cord for
carrying, pulling or unplugging the power tool.
Keep cord away from heat, oil, sharp edges or
moving parts.
Damaged or entangled cords increase the risk of
electric shock.
e) When operating a power tool outdoors, use an
extension cord suitable for outdoor use.
Use of a cord suitable for outdoor use reduces the
risk of electric shock.
f) If operating a power tool in a damp location
is unavoidable, use a residual current device
(RCD) protected supply.
Use of an RCD reduces the risk of electric shock.
3) Personal safety
a) Stay alert, watch what you are doing and use
common sense when operating a power tool.
Do not use a power tool while you are tired
or under the infl uence of drugs, alcohol or
medication.
A moment of inattention while operating power tools
may result in serious personal injury.
b) Use personal protective equipment. Always
wear eye protection.
Protective equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protection used for
appropriate conditions will reduce personal injuries.
c) Prevent unintentional starting. Ensure the
switch is in the off -position before connecting
to power source and/or battery pack, picking up
or carrying the tool.
Carrying power tools with your fi nger on the switch
or energising power tools that have the switch on
invites accidents.
d) Remove any adjusting key or wrench before
turning the power tool on.
A wrench or a key left attached to a rotating part of
the power tool may result in personal injury.
e) Do not overreach. Keep proper footing and
balance at all times.
This enables better control of the power tool in
unexpected situations.
f) Dress properly. Do not wear loose clothing or
jewellery. Keep your hair, clothing and gloves
away from moving parts.
Loose clothes, jewellery or long hair can be caught in
moving parts.
g) If devices are provided for the connection of
dust extraction and collection facilities, ensure
these are connected and properly used.
Use of dust collection can reduce dust related
hazards.
4) Power tool use and care
a) Do not force the power tool. Use the correct
power tool for your application.
The correct power tool will do the job better and safer
at the rate for which it was designed.
b) Do not use the power tool if the switch does not
turn it on and off .
Any power tool that cannot be controlled with the
switch is dangerous and must be repaired.
c) Disconnect the plug from the power source and/
or the battery pack from the power tool before
making any adjustments, changing accessories,
or storing power tools.
Such preventive safety measures reduce the risk of
starting the power tool accidentally.
2
d) Store idle power tools out of the reach of
children and do not allow persons unfamiliar
with the power tool or these instructions to
operate the power tool.
Power tools are dangerous in the hands of untrained
users.
e) Maintain power tools. Check for misalignment
or binding of moving parts, breakage of parts
and any other condition that may aff ect the
power tool's operation.
If damaged, have the power tool repaired before use.
Many accidents are caused by poorly maintained
power tools.
f) Keep cutting tools sharp and clean.
Properly maintained cutting tools with sharp cutting
edges are less likely to bind and are easier to control.
g) Use the power tool, accessories and tool bits
etc. in accordance with these instructions,
taking into account the working conditions and
the work to be performed.
Use of the power tool for operations diff erent from
those intended could result in a hazardous situation.
5) Service
a) Have your power tool serviced by a qualifi ed
repair person using only identical replacement
parts.
This will ensure that the safety of the power tool is
maintained.
PRECAUTION
Keep children and infi rm persons away.
When not in use, tools should be stored out of reach of
children and infi rm persons.
ROTARY HAMMER SAFETY WARNINGS
1. Wear ear protectors
Exposure to noise can cause hearing loss.
2. Use auxiliary handle(s), if supplied with the tool.
Loss of control can cause personal injury.
3. Hold power tool by insulated gripping surfaces,
when performing an operation where the cutting
accessory may contact hidden wiring or its own
cord. Cutting accessory contacting a "live" wire may
make exposed metal parts of the power tool "live" and
could give the operator an electric shock.
4. Do not touch the bit during or immediately after
operation. The bit becomes very hot during operation
and could cause serious burns.
5. Before starting to break, chip or drill into a wall, fl oor or
ceiling, thoroughly confi rm that such items as electric
cables or conduits are not buried inside.
6. Always hold the body handle and side handle of the
power tool fi rmly. Otherwise the counterforce produced
may result in inaccurate and even dangerous operation.
7. Wear a dust mask
Do not inhale the harmful dusts generated in drilling or
chiseling operation. The dust can endanger the health of
yourself and bystanders.
SPECIFICATIONS
Model DH28PEC
Voltage (by areas)*
Power Input*
No-load speed*
Full-load impact rate 0 – 4300 min
Capacity: concrete 3.4 – 28 mm
2
Weight*
*1 Be sure to check the nameplate on product as it is
subject to change by areas.
*2 Weight: According to EPTA-Procedure 01/2003
1
1
1
steel 13 mm
wood 32 mm
(110 V, 230 V)
900 W
0 – 950 min
3.0 kg
–1
–1
STANDARD ACCESSORIES
In addition to the main unit (1 unit), the package contains the
accessories listed in the below.
(1) Plastic case ...................................................................1
(2) Side handle ...................................................................1
(3) Depth gauge .................................................................1
Standard accessories are subject to change without
notice.
3
OPTIONAL ACCESSORIES (sold separately)
Tool Adapters
●
Drilling holes in concrete or tile
Use on jobs facing upwards
Drill bit
●
Drilling holes in concrete or tile
Drill bit (Taper shank)
● Large hole boring
Guide plate Center pin
● Bolt placing operation with
Chemical Anchor
Hexagon socket
● Anchor setting
Anchor setting adapter
● Demolishing operation
Bull point
(Round type)
● Groove digging and edging
Cold chisel Cutter
● Grooving
Core bit
Dust cup
Taper shank
adapter
Chemical anchor adapter
Dust collector (B)
+
Cotter
Core bit shank
Grooving chisel
● Driving screws
⊕ Driver bit ⊖ Driver bit
● Drilling in steel or wood
Drill bit for steel Drill bit for
Rotation only Hammering only Rotation + Hammering
wood
(13 VLRB-D)
+ +
Special
screw
Drill chuck
4
Chuck
adapter
APPLICATIONS
Rotation and hammering function
○ Drilling anchor holes
○ Drilling holes in concrete
○ Drilling holes in tile
Rotation only function
○ Drilling in steel or wood
(with optional accessories)
○ Tightening machine screws, wood screws
(with optional accessories)
Hammering only function
○ Light-duty chiselling of concrete, groove digging and
edging.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms
to the power requirements specifi ed on the product
nameplate.
2. Power switch
Ensure that the power switch is in the OFF position. If
the plug is connected to a power receptacle while the
power switch is in the ON position, the power tool will
start operating immediately, which could cause a serious
accident.
3. Extension cord
When the work area is removed from the power source,
use an extension cord of suffi cient thickness and rated
capacity. The extension cord should be kept as short as
practicable.
4. Mounting the tool (Fig. 1)
CAUTION
To prevent accidents, make sure to turn the switch off
and disconnect the plug from the receptacle.
NOTE
When using tools such as bull points, drill bits, etc.,
make sure to use the genuine parts designated by our
company.
(1) Clean the shank portion of the tool.
(2) Insert the tool in a twisting manner into the hole of front
cap until it latches itself (Fig. 1).
Grip
Front cap
Grip
Fig. 2
5. Installation of dust cup or dust collector (B)
(Optional accessories) (Fig. 3, Fig. 4)
When using a rotary hammer for upward drilling
operations attach a dust cup or dust collector (B) to
collect dust or particles for easy operation.
○ Installing the dust cup
Use the dust cup by attaching to the drill bit as shown in
Fig. 3.
When using a bit which has big diameter, enlarge the
center hole of the dust cup with this rotary hammer.
Dust cup
Fig. 3
○ Installing dust collector (B)
When using dust collector (B), insert dust collector (B)
from the tip of the bit by aligning it to the groove on the
grip (Fig. 4).
Dust collector (B)
Part of SDS-plus shank
Tool
(3) Check the latching by pulling on the tool.
(4) To remove the tool, fully pull the grip in the direction of
the arrow and pull out the tool (Fig. 2).
Fig. 1
Grip
Fig. 4
CAUTION
○ The dust cup and dust collector (B) are for exclusive use
of concrete drilling work. Do not use them for wood or
metal drilling work.
○ Insert dust collector (B) all the way until it makes contact.
5
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