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English
MOUNTING AND OPERATION
Action Figure Page
Removing and inserting the
battery
1 185
Charging 2 185
Remaining battery indicator 3 185
Installing / Removing the side
handle
4 185
Inserting SDS-plus drilling tools 5 186
Removing SDS-plus drilling tools 6 186
Selecting rotation direction 7 186
Selecting the operating mode 8 186
Adjusting the drilling depth 9 186
Changing the chisel position 10 186
Removing drill bit holder
(DH36DBQL, DH36DBML)
*1
11 187
Inserting drill chuck holder
(DH36DBQL, DH36DBML)
12 187
Inserting round shank applications
tools (DH36DBQL, DH36DBML)
13 187
Switch operation 14 187
How to use the LED light 15 187
Cleaning of the battery installation
compartment
16 187
Selecting accessories
188, 189
*1 If it is hard to pull out the drill chuck holder or the drill bit
holder, align the change lever with the
mark and turn
the lock grip.
For details on how to use the dust extraction unit, refer to
the separate instruction manual included with this tool.
(DH36DBDL/DH36DBML)
REACTIVE FORCE CONTROL
This product is equipped with a Reactive Force Control
(RFC) feature that reduces jerking of the tool body.
If the tool bit is suddenly overburdened, any jerking of the
tool body is reduced by activation of the slip clutch or by
stopping of the motor by the sensor built into the tool body.
If the motor is stopped because of overburdening detection
by the controller, this is indicated by blinking of the remaining
battery lamp while the switch is pulled. (Fig. 17)
Because the RFC feature may not activate or its performance
may be insu cient depending on the working environment
and conditions, be careful not to suddenly overburden the
tool bit while operating.
Possible causes of sudden overburdening
1 Tool bit biting into material
2 Impact against nails, metal or other hard objects
3 Tasks involving prying or any excess application of
pressure, etc.
Also, other causes include any combination of the
aforementioned.
When the reactive force control (RFC) is triggered
When the RFC is triggered and the motor stops, turn
o the tool’s switch and remove the cause of the
overburdening before continuing operation.
Fig. 17
LUBRICATION
Low viscosity grease is applied to this rotary hammer so
that it can be used for a long period without replacing the
grease. Please contact the nearest service center for grease
replacement when any grease is leaking form loosened
screw.
Further use of the rotary hammer despite the grease
shortage causes damage to reduce the service life.
CAUTION
A speci c grease is used with this machine, therefore,
the normal performance of the machine may be badly
a ected by use of di erent grease. Please be sure to let
one of our service centers to undertake replacement of
the grease.
MAINTENANCE AND INSPECTION
CAUTION
Be sure to turned o the switch and remove the battery
before maintenance and inspection.
1. Inspecting the tool
Since use of as dull tool will degrade e ciency and
cause possible motor malfunction, sharpen or replace
the tool as soon as abrasion is noted.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure that
they are properly tightened. Should any of the screws be
loose, retighten them immediately. Failure to do so could
result in serious hazard.
3. Maintenance of the motor
The motor unit winding is the very “heart” of the power
tool. Exercise due care to ensure the winding does not
become damaged and/or wet with oil or water.
4. Cleaning on the outside
When the power tool is stained, wipe with a soft dry cloth
or a cloth moistened with soapy water. Do not use chloric
solvents, gasoline or paint thinner, for they melt plastics.
5. Cleaning of the battery installation compartment
After drilling concrete, if concrete dust has accumulated
on the terminals or the area where the battery slides
within the battery installation compartment, clean o the
accumulated concrete dust with a dry cloth before using
the tool. (Fig. 16)
Also, after cleaning, ensure that the battery can be
installed and removed smoothly from the tool.
CAUTION
Using the tool when the battery is covered with concrete
dust may lead to accidents such as the battery falling
during use.
Furthermore, such use may cause a malfunction or
contact failure between the battery and the terminals.
6. Storage
Store the power tool in a place in which the temperature
is less than 40°C and out of reach of children.
0000Book_DH36DBL.indb 70000Book_DH36DBL.indb 7 2017/03/29 17:03:392017/03/29 17:03:39
7


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