Hitachi WH14DDL-RW [15/108] English
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Hitachi WH14DDL-RW [15/108] English

Hitachi WH14DDL-RW [15/108] English
English
14
(5) Using optional parts (WR14DL2 / WR18DL2)
The tightening torque is reduced a little when an extension bar, universal
joint or a long socket is used.
(6) Clearance of the socket (WR14DL2 / WR18DL2)
A worn or deformed hex. or a square-holed socket will not give an adequate
tightness to the fitting between the nut or anvil, consequently resulting in
loss of tightening torque.
Using an improper socket which does not match to the bolt will result in an
insufficient tightening torque.
(7) Tightening torque varies, depending on the battery’s charge level.
MAINTENANCE AND INSPECTION
1. Inspecting the driver bit (WH14DL2 / WH18DL2)
Using a broken bit or one with a worn out tip is dangerous because the bit
can slip. Replace it.
2. Inspecting the socket (WR14DL2 / WR18DL2)
A worn or deformed hex. or a square-holed socket will not give an adequate
tightness to the fitting between the nut or anvil, consequently resulting in loss
of tightening torque. Pay attention to wear of a socket holes periodically, and
replace with a new one if needed.
3. 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 may result in serious hazard.
4. 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.
5. Inspecting the carbon brushes (Fig. 16)
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 whthin the brush holders.
NOTE
When replacing the carbon brush with a new one, be sure to use the Hitachi
Carbon Brush Code No. 999054.
6. 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. 18.
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. 19. 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.
7. Cleaning of the outside
When the impact driver 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.
8. Storage
Store the impact driver in a place in which the temperature is less than 40°C,
and out of reach of children.
NOTE
Make sure that the battery is fully charged when stored for a long period (3
months or more). The battery with smaller capacity may not be able to be
charged when used, if stored for a long period.
9. Service parts list
A: Item No.
B: Code No.
C: No. Used
D: Remarks
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.
MODIFICATIONS
Hitachi Power Tools are constantly being improved and modified to
incorporate the latest technological advancements.
Accordingly, some parts (i.e. code numbers and/or design) may be changed
without prior notice.
Important notice on the batteries for the Hitachi cordless power tools
Please always use one of our designated genuine batteries. We cannot
guarantee the safety and performance of our cordless power tool when
used with batteries other than these designated by us, or when the
battery is disassembled and modified (such as disassembly and
replacement of cells or other internal parts).
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 reserch 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: WH14DL2: 104 dB (A)
WH18DL2: 105 dB (A)
WR14DL2: 105 dB (A)
WR18DL2: 105 dB (A)
Measured A-weighted sound pressure level: WH14DL2: 93 dB (A)
WH18DL2: 94 dB (A)
WR14DL2: 94 dB (A)
WR18DL2: 94 dB (A)
Uncertainty KpA: 3 dB (A).
Wear hearing protection.
Vibration total values (triax vector sum) determined according to EN60745.
Impact tightening of fasteners of the maximum capacity of the tool:
Vibration emission value
a
h
= WH14DL2: 11.3 m/s
2
WH18DL2: 15.0 m/s
2
WR14DL2: 11.2 m/s
2
WR18DL2: 12.4 m/s
2
Uncertainty K = 1.5 m/s
2
01Eng_WH14DL2_EE 10/4/12, 3:43 PM14

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English 5 Using optional parts WR14DL2 WR18DL2 9 Service parts list The tightening torque is reduced a little when an extension bar universal A Item No joint or a long socket is used B Code No 6 Clearance of the socket WR14DL21WR18DL2 C No Used A worn or deformed hex or a square holed socket will notg ive an adequate tightness to the fitting between the nut or anvil consequently resulting in D Remarks CAUTION loss of tightening torque Repair Using an improper socket which does not match to the bolt will resu It in an carried out by a Hitachi Authorized Service Center insufficient tightening torque modification and inspection of Hitachi Power Tools must be This Parts List will be helpful if presented with the tool to the Hitachi 7 Tightening torque varies depending on the battery s charge level 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 MAINTENANCE AND INSPECTION MODIFICATIONS Hitachi 1 Inspecting the driver bit WH14DL2 WH18DL2I Power Tools are constantly being improved and modified to Using a broken bit or one with a worn out tip is dangerous because the bit incorporate the latest technological advancements can slip Replace it Accordingly some parts i e code numbers and or design may be changed without prior notice 2 Inspecting the socket WR14DL2 WR18DL2 A worn or deformed hex or asquare holed socket will not give an adequate tightness to the fitting between the nut or anvil consequently resulting in loss Important notice on the batteries for the Hitachi cordless power tools of tightening torque Pay attention to wear of a socket holes periodically and Please always use one of our designated genuine batteries We cannot replace with a new one if needed guarantee the safety and performance of our cordless power tool when 3 Inspecting the mounting screws used with batteries other than these designated by us or when the Regularly inspect all mounting screws and ensure that they are properly battery is disassembled and modified such as disassembly and tightened replacement of cells or other internal parts Should any of thescrewsbe loose retighten them immediately Failure to do so may resu It in serious hazard 4 Maintenance of the motor GUARANTEE The motor unit winding is the very heart ofthe power tool Exercise due care to ensure the winding does not become damaged antfor Weguarantee wet with oil or water The motor employs carbon brushes which are consumable parts Since and excessively worn carbon brush Hitachi PowerToolsinaccordancewithstatutory country specific regulation This guarantee does not cover defects or damage due to misuse 5 Inspecting the carbon brushes Fig 16 can result in motor trouble replace the carbon brush with new ones when it becomes worn to or near the wear 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 th is Handling instruction to a Hitachi Authorized Service Center limit In addition always keep carbon brushes clean and ensure that they slide freely whthin the brush holders NOTE When replacing the carbon brush with a new one be sure to use the Hitachi NOTE Due to HITACHI S continuing program of reserch and development the specifications herein are subject to change without prior notice Carbon Brush Code No 999054 6 Replacing carbon brushes Take out the carbon brush by first removing the brush cap and then hooking Information concerning airborne noise and vibration the protrusion of the carbon brush with a slotted head screw driver etc as The measured values were determined according to EN60745 and declared in shown in Fig 18 accordance with ISO 4871 When installing thecarbon brush choosethe direction sothat thenail of the carbon brush agrees with the contact portion outside the brush tube Then Measured A weighted sound power level WH14DL2 104 dB A push it in with a finger as illustrated in Fig 19 Lastly install the brush cap WH18DL2 105 dB A CAUTION WR14DL2 105dB A Be absolutely sure to insert the nail of the carbon brush into the contact WR18DL2 105 dB A portion outside the brush tube You can insert whichever one ofthe two nails provided Measured A weighted sound pressure level WH14DL2 93 dB A Caution must be exercised since any error in th is operation can resu 1 in the WH18DL2 94 dB A deformed nail of the carbon brush and may cause motor trouble at anearly WR14DL2 94dB A stage 7 Cleaning of the outside WR18DL2 94dB A Uncertainty KpA 3dB A When the impact driver is stained wipe with a soft dry cloth or a cloth moistened with soapy water Do not use chloric solvents gasoline or paint Wear hearing protection thinner as they melt plastics 8 Storage Store the impact driver in a place in wh ich the temperature is less than 40 C and out of reach of children NOTE Vibration total values Itriax vector sum determined according to EN60745 Impact tightening of fasteners of the maximu m capacity of the tool Vibration emission value 3h WH14DL2 11 3 m s2 Make sure that the battery is fully charged when stored for a long period 3 WH18DL2 15 0 m s2 months or more The battery with smaller capacity may not be able to be WR14DL2 11 2 m s2 charged when used if stored fora long period WR18DL2 12 4 m s2 Uncertainty K 1 5 m s2 14

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