Hitachi DH18DSL LiION [17/112] English
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Hitachi DH18DSL LiION [17/112] English

Hitachi DH18DSL LiION [17/112] English
16
English
MAINTENANCE AND INSPECTION
1. Inspecting the tool
Since use of a dull tool will degrade efficiency 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. Inspecting the carbon brushes (Fig. 20)
The motor employs carbon brushes which are
consumable parts. Since and excessively worn
carbon brush can result in motor trouble, replace
the carbon brush with new ones when it becomes
worn to or near the “wear limit”. In addition, always
keep carbon brushes clean and ensure that they
slide freely within the brush holders.
NOTE:
When replacing the carbon brush with a new one, be
sure to use the Hitachi Carbon Brush Code No. 328481.
5. Replacing carbon brushes
Take out the carbon brush by first removing the
brush cap and then hooking the protrusion of the
carbon brush with a slotted head screw driver, etc.,
as shown in Fig. 22.
When installing the carbon brush, choose the
direction so that the nail of the carbon brush agrees
with the contact portion outside the brush tube.
Then push it in with a finger as illustrated in Fig.
23. Lastly, install the brush cap.
CAUTION
Be absolutely sure to insert the nail of the carbon
brush into the contact portion outside the brush
tube. (You can insert whichever one of the two
nails provided.)
Caution must be exercised since any error in this
operation can result in the deformed nail of the
carbon brush and may cause motor trouble at an
early stage.
6. 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,
as they melt plastics.
7. Storage
Store the power tool in a place in which the temperature
is less than 40°C and out of reach of children.
8. Service parts list
CAUTION
Repair, modification and inspection of Hitachi Power
Tools must be carried out by a Hitachi Authorized
Service Center.
This Parts List will be helpful if presented with the
tool to the Hitachi Authorized Service Center when
requesting repair or other maintenance.
In the operation and maintenance of power tools,
the safety regulations and standards prescribed in
each country must be observed.
MODIFICATION
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts may be changed without
prior notice.
GUARANTEE
We guarantee Hitachi Power Tools in accordance with
statutory/country specific regulation. This guarantee does
not cover defects or damage due to misuse, abuse, or
normal wear and tear. In case of complaint, please send
the Power Tool, undismantled, with the GUARANTEE
CERTIFICATE found at the end of this Handling instruction,
to a Hitachi Authorized Service Center.
NOTE:
Due to HITACHI’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
Information concerning airborne noise and vibration
The measured values were determined according to
EN60745 and declared in accordance with ISO 4871.
Measured A-weighted sound power level: 97 dB (A)
Measured A-weighted sound pressure level: 86 dB (A)
Uncertainty KpA: 3 dB (A).
Wear hearing protection.
Vibration total values (triax vector sum) determined
according to EN60745.
Hammer drilling into concrete:
Vibration emission value
ah, HD = 10.8 m/s
2
Uncertainty K = 2.2 m/s
2
WARNING
䡬 The vibration emission value during actual use of
the power tool can differ from the declared value
depending on the ways in which the tool is used.
䡬 To identify the safety measures to protect the
operator that are based on an estimation of exposure
in the actual conditions of use (taking account of
all parts of the operating cycle such as the times
when the tool is switched off and when it is running
idle in addition to the trigger time).
01Eng_DH14DSL_EE 08/3/20, 21:1716

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English MAINTENANCE AND INSPECTION 1 Inspecting the tool Since use of a dull tool will degrade efficiency 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 Inspecting the carbon brushes Fig 20 The motor employs carbon brushes which are consumable parts Since and excessively worn carbon brush can result in motor trouble replace the carbon brush with new ones when it becomes worn to or near the wear limit In addition always keep carbon brushes clean and ensure that they slide freely within the brush holders NOTE When replacing the carbon brush with a new one be sure to use the Hitachi Carbon Brush Code No 328481 5 Replacing carbon brushes Take out the carbon brush by first removing the brush cap and then hooking the protrusion of the carbon brush with a slotted head screw driver etc as shown in Fig 22 When installing the carbon brush choose the direction so that the nail of the carbon brush agrees with the contact portion outside the brush tube Then push it in with a finger as illustrated in Fig 23 Lastly install the brush cap CAUTION Be absolutely sure to insert the nail of the carbon brush into the contact portion outside the brush tube You can insert whichever one of the two nails provided I Caution must be exercised since any error in this operation can result in the deformed nail of the carbon brush and may cause motor trouble at an early stage 6 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 as they melt plastics 7 Storage Store the power tool in a place in which the temperature is less than 40 C and out of reach of children 8 Service parts list CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by a Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATION Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts may be changed without prior notice GUARANTEE We guarantee Hitachi Power Tools in accordance with statutory country specific regulation This guarantee does not cover defects or damage due to misuse abuse or normal wear and tear In case of complaint please send the Power Tool undismantled with the GUARANTEE CERTIFICATE foundatthe end of this Handling instruction to a Hitachi Authorized Service Center NOTE Due to HITACHI S continuing program development the specifications herein change without prior notice of research and are subject to Information concerning airborne noise and vibration The measured values were determined according to EN60745 and declared in accordance with ISO 4871 Measured A weighted sound power level 97 dB A Measured A weighted sound pressure level 86 dB A Uncertainty KpA 3 dB A Wear hearing protection Vibration total values according to EN60745 triax vector sum determined Hammer drilling into concrete Vibration emission value 3h HD 10 8 m s2 Uncertainty K 2 2 m s2 WARNING O The vibration emission value during actual use of the power tool can differ from the declared value depending on the ways in which the tool is used O To identify the safety measures to protect the operatorthat are based on an estimation of exposure in the actual conditions of use taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time 16

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