Hitachi WR 8DH Mode D'emploi Et Instructions De Securite page 17

Kg – cm
5/16'' × 1'' (M8 × 25)
(ft–lb)
High tension bolt
Ordinary bolt
Tightening time: sec
(Steel plate thickness
t=3/8"(10mm))
Fig. 8
Bolt
Nut
Kg – cm
3/8'' × 1-3/16'' (M10 × 30)
(ft–lb)
High tension bolt
Ordinary bolt
Steel plate
thickness t
Fig. 11
Kg – cm
(ft–lb) 3/8'' × 1-3/16'' (M10 × 30) High tension bolt (tightening time 1 sec)
When completely recharged
When completely discharged
Number of tightenings (PCS)/charging
(When using the EB9B type battery)
Tightening time: sec
(Steel plate thickness
t=3/8"(10mm))
Fig. 9
*The following bolt is used.
Ordinary bolt: Strength grade 4.8
High tension bolt: Hardness division 12.9
Explanation of strength grade:
(
4 — Yield point of bolt: 45,500 psi (32 kgf/mm
8 — Pulling strength of bolt: 56,900 psi (40 kgf/mm
Fig. 12
Kg – cm
15/32'' × 1-25/32'' (M12 × 45)
(ft–lb)
High tension bolt
Ordinary bolt
Tightening time: sec
(Steel plate thickness
t=3/8"(10mm))
Fig. 10
English
)
2
)
2
)
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