Hitachi DS 18DVF3 Technical Data And Service Manual page 24

(b) Mount the Nut [6] <6> to the Front Case [9] <9>. (See Fig. 7.)
Align the register mark (o) on the Nut [6] <6> with the register mark on the Front Case [9] <9>. Turn the
Nut [6] <6> about 1-1/2 turns clockwise so that the register mark ( ) on the Nut [6] <6> is aligned with the
register mark on the Front Case [9] <9>. Check that the Y surface of the Nut [6] <6> is aligned with the Z
surface of the Front Case [9] <9>.
[4] <4>
[5] <5>
[6] <6>
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[7] <7>
[8] <8>
Notch
Fig. 6
Fig. 7
[9] <9>