Hitachi Koki R 18DL Manuel D'instructions page 12

English
(6) Fit the filter to the guard. Match the outside
diameter of the filter to the inside diameter
of the guard and insert as far as the filter ring
will go. (Fig. 3)
(7) Match the shape of the guard (with the filter
attached) to the shape of the hole in the dust
case and insert as far as it will go (6 points).
(Fig. 3)
(8) Insert the projecting part of the appliance into
the hole in the dust case and fit the dust case
to the appliance. (Fig. 6)
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