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Hitachi WH12DAF2 [13/94] English
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English
12
NOTE:
䡬 If a long striking time is used, screws will be strongly
tightened. This may cause the screw to break, or may
damage the tip of the bit.
䡬 If the unit is held at an angle to the screw being
tightened, the head of the screw may be damaged, or
the specified torque may not be transmitted to the
screw. Always keep the unit and the screw being
tightened in a straight line.
4. Use a tightening time suitable for the screw
The appropriate torque for a screw differs according
to the material and size of the screw, and the material
being screwed etc., so please use a tightening time
suitable for the screw. In particular, if a long tightening
time is used in the case of screws smaller than M8,
there is a danger of the screw breaking, so please
confirm the tightening time and the tightening torque
beforehand.
5. Work at a tightening torque suitable for the bolt
under impact
The optimum tightening torque for nuts or bolts differs
with material and size of the nuts or bolts. An
excessively large tightening torque for a small bolt
may stretch or break the bolt. The tightening torque
increases in proportion to the operaton time. Use the
correct operating time for the bolt.
6. Holding the tool
Hold the impact wrench firmly with both hands. In
this case hold the wrench in line with the bolt.
It is not necessary to push the wrench very hard.
Hold the wrench with a force just sufficient to
counteract the impact force.
7. Confirm the tightening torque
The following factors contribute to a reduction of the
tightening torque. So confirm the actual tightening
torque needed by screwing up some bolts before the
job with a hand torque wrench. Factors affecting the
tightening torque are as follows.
(1) Voltage
When the discharge margin is reached, voltage
decreases and tightening torque is lowered.
(2) Operating time
The tightening torque increases when the operating
time increases. But the tightening torque does not
increase above a certain value even if the tool is
driven for a long time. (See Fig. 18 and 19)
(3) Diameter of bolt
The tightening torque differs with the diameter of the
bolt as shown in Fig. 18 and 19. Generally a larger
diameter bolt requires larger tightening torque.
(4) Tightening conditions
The tightening torque differs according to the torque
ratio; class, and length of bolts even when bolts with
the same size threads are used. The tightening torque
also differs according to the condition of the surface
of workpiece through which the bolts are to be
tightened. When the bolt and nut turn together, torque
is greatly reduced.
(5) Using optional parts (WR12DAF2)
The tightening torque is reduced a little when an
extension bar, universal joint or a long socket is
used.
(6) Clearance of the socket (WR12DAF2)
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. (WR12DAF2)
Fig. 21 show examples of the relationship between
tightening torque and the number of tightenings, for
WR12DAF2. As shown, tightening torque gradually
weakens with the increase in the number of
tightenings. In particular, as the torque decreases
very close to the complete discharge (“a” margin in
graph), the unit’s impact weakens, the number of
time impacts declines and tightening torque drops
off abruptly. If this occurs, check torque level, then
recharge the battery if necessary.
Fig. 18
〈
WH12DAF2
〉
Tightening time: sec.
(Steel plate thickness
t = 10 mm)
High tension bolt
Ordinary bolt
M8 × 30
N
•
m
100
80
60
40
20
0
kgf
•
cm
1000
800
600
400
200
0
0123
Tightening time: sec.
(Steel plate thickness
t = 10 mm)
Ordinary bolt
High tension bolt
M10 × 30
N
•
m
100
80
60
40
20
0
kgf
•
cm
1000
800
600
400
200
0
0123
Tightening time: sec.
(Steel plate thickness
t = 25 mm)
Ordinary bolt
High tension bolt
M12 × 45
N
•
m
120
100
80
60
40
20
0
kgf
•
cm
1200
1000
800
600
400
200
0
0123
Tightening torque
Tightening torque
Tightening torque
Содержание
- Cordless impact driver wrench akku schlagschrauber ú óôî ùû è ô ª ù ú ïâè bezprzewodowa wkrętarka udarowa akkus ütvecsavarozó csavarkulcs rázový utahovák klíč akülü darbeli vidalama anahtar ìàapìêè aííyïyîóúopìêè åypôoçepú 1
- Handling instructions bedienungsanleitung ëá â âèúèûìô instrukcja obsługi kezelési utasítás návod k obsluze kullanım talimatları àìcúpyíáëó ôo íícôîyaúaáëë 1
- Wh 12daf2 1
- Wr 12daf2 1
- English 7
- General operational precautions 7
- Precautions for cordless impact driver 7
- English 8
- Precautions for cordless impact wrench 8
- Specifications 8
- Application 9
- Battery removal installation 9
- Charging 9
- English 9
- Optional accessories sold separately 9
- Standard accessories 9
- English 10
- English 11
- How to use 11
- Prior to operation 11
- English 12
- Operational cautions 12
- English 13
- English 14
- English 15
- Maintenance and inspection 15
- Allgemeine vorsichtsmassnahmen 16
- Deutsch 16
- Deutsch 17
- Vorsichtsmassnahmen für den akku schlagschrauber 17
- Deutsch 18
- Modell 18
- Standardzubehör 18
- Anwendung 19
- Deutsch 19
- Herausnehmen einsetzen der batterie 19
- Sonderzubehör separat zu beziehen 19
- Deutsch 20
- Deutsch 21
- Verwendung 21
- Vor inbetriebnahme 21
- Deutsch 22
- Vorsichtsmassregeln zur verwendung 22
- Deutsch 23
- Deutsch 24
- Deutsch 25
- Wartung und inspektion 25
- Ïïëóèî 26
- Π ª ƒ º π π àƒ π 26
- Ïïëóèî 27
- Ã π ã ƒ ƒπ π 28
- Ïïëóèî 28
- Ƒ πƒ π ƒ ª ˆïô óù è íâ ˆúèûù 28
- Π ƒ ª 28
- º ƒ π 29
- º ƒª 29
- º πƒ π ª ƒπ 29
- Ïïëóèî 29
- Ïïëóèî 30
- Ïïëóèî 31
- Ø ãƒ πª π 31
- Ƒπ π àƒ π 31
- Ïïëóèî 32
- ª π ƒ ã π àƒ π 33
- Ïïëóèî 33
- Ïïëóèî 34
- À ƒ π ã 35
- Ïïëóèî 35
- Ïïëóèî 36
- Podstawowe środki ostrożności 37
- Polski 37
- Polski 38
- Środki ostrożności przy pracy z bezprzewodową wkrętarką udarową 38
- Środki ostrożności stosowane przy używaniu bezprzewodowej wkr tarki udarowej 38
- Dodatkowe wyposażenie do nabycia oddzielnie 39
- Enie i przystawki 39
- Polski 39
- Standardowe wypos 39
- Wymagania techniczne 39
- Polski 40
- Wymontowanie i montaż akumulatora 40
- Zastosowanie 40
- Ładowanie 40
- Polski 41
- Jak używać 42
- Polski 42
- Przed rozpoczęciem pracy 42
- Polski 43
- Środki ostrożności podczas pracy z urządzeniem 43
- Polski 44
- Polski 45
- Konserwacja i inspekcja 46
- Polski 46
- Magyar 47
- Általános biztonságtechnikai előírások 47
- A vezeték nélküli ütőműves csavarbehajtó gépre vonatkozó biztonsági rendszabályok 48
- Az akkumulátoros ütvecsavarozó használatára vonatkozó óvintézkedések 48
- Magyar 48
- Magyar 49
- Modell 49
- Műszaki adatok 49
- Opcionális tartozékok külön beszerezhetők 49
- Standard tartozékok 49
- Alkalmazások 50
- Az akkumulátor kivétele behelyezése 50
- Magyar 50
- Töltés 50
- Magyar 51
- A készülék használata 52
- Az üzemelés előtti óvintézkedések 52
- Magyar 52
- Az üzemeltetésre vonatkozó figyelmeztetések 53
- Magyar 53
- Magyar 54
- Magyar 55
- Karbantartás és ellenőrzés 56
- Magyar 56
- Magyar 57
- Bezpečnostní podmínky pro rázový utahovák 58
- Všeobecné provozní pokyny 58
- Čeština 58
- Bezpečnostní podmínky pro akumulátorový rázový klíč 59
- Čeština 59
- Další příslušenství prodává se zvláš 60
- Nabíječka 60
- Parametry 60
- Použití 60
- Standard accessories 60
- Čeština 60
- Nabíjení 61
- Vyjmutí výměna akumulátoru 61
- Čeština 61
- Použití 62
- Před použitím 62
- Čeština 62
- Pokyny k provozu 63
- Čeština 63
- Čeština 64
- Čeština 65
- Údržba a kontrola 66
- Čeština 66
- Gkullanimla ólgóló genel önlemler 67
- Kablosuz darbeló vódalama aletó óçón önlemler 67
- Türkçe 67
- Kablosuz darbeló anahtar óçón önlemler 68
- Türkçe 68
- Standart aksesuarlar 69
- Teknók özellókler 69
- Türkçe 69
- Uygulamalar 69
- Ósteåe baåli aksesuarlar ayrıca satılır 69
- Bataryanin çikarilmasi takilmasi 70
- Türkçe 70
- Íarj etme 70
- Kullanim öncesónde 71
- Türkçe 71
- Nasil kullanilir 72
- Türkçe 72
- Türkçe 73
- Çaliímayla ólgóló önlemler 73
- Türkçe 74
- Bakim ve ónceleme 75
- Türkçe 75
- Oåôàe èpabàãa èo texhàke åeâoèachoctà 76
- Pyccíëè 76
- Mepõ èpeñoctopoühoctà èpà ùkcèãìatañàà ìñaphoéo akkìmìãütophoéo éaâkobepta 77
- Mepõ èpeñoctopoühoctà èpà ùkcèãìatañàà ìñaphoéo akkìmìãütophoéo òìpìèobepta 77
- Pyccíëè 77
- Moñeãú 78
- Pyccíëè 78
- Texhàóeckàe xapaktepàctàkà 78
- Chütàe ìctahobka åatapeà 79
- Ctahñapthõe èpàhañãeühoctà 79
- Koïôîeíú cúaìàapúìêx ôpëìaàîeêìocúeè ïoêeú äêúë ëáïeìeì äeá yçeàoïîeìëó 79
- Oåãactà èpàmehehàü 79
- Pyccíëè 79
- Âapüñhoe ìctpoâctbo 79
- Âapüñka 79
- Ñoèoãhàteãúhõe èpàhañãeühoctà ôpëoäpeúaïúcó oúàeîëìo 79
- Pyccíëè 80
- Pyccíëè 81
- Èepeñ haóaãom paåotõ 81
- Pyccíëè 82
- Èpaktàóeckoe èpàmehehàe 82
- Mepõ èpeñoctopoühoctà èpà ùkcèãìatañàà 83
- Pyccíëè 83
- Pyccíëè 84
- Pyccíëè 85
- Pyccíëè 86
- Texhàóeckoe oåcãìüàbahàe à ocmotp 86
- Wh12daf2 87
- Wr12daf2 88
- Head office in japan 94
- Hitachi koki co ltd 94
- Hitachi power tools europe gmbh 94
- K kato board director 94
- Representative office in europe 94
- Shinagawa intercity tower a 15 1 konan 2 chome minato ku tokyo japan 94
- Siemensring 34 47877 willich 1 f r germany 94
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