Hitachi DH 30PC2 Technical Data And Service Manual page 29

(3) Mounting components in the Cylinder [36]
Fit Slide Sleeve (A) [34] and Slide Sleeve (B) [33] on the outer circumfenrence of the Cylinder [36] and move
Slide Sleeve (A) [34] and Slide Sleeve (B) [33] until they contact the outside flange of the Cylinder [36]. At this
time, align the slotted hole of the Cylinder [36] with the groove of Slide Sleeve (B) [33]. (Fig. 24)
Put the Slide Ring [30] in the Cylinder [36] through the slotted hole. Tilt the Slide Ring [30] slightly to the axial
direction of the Cylinder [36] and turn the Slide Ring [30] on its protrusion by 90û. (Fig. 25) Be careful not to
deviate the protrusion of the Slide Ring [30] from the groove of Slide Sleeve (B) [33] during mounting.
Mount the Second Hammer [23], Damper Washer [24], Damper [25], Damper Holder [26], Damper Holder (B)
[28] and Damper (C) [29] to the inside of the Cylinder [36]. Mount the Damper Washer [24] so that the R
surface of the inside diameter is aligned with the R surface of the Second Hammer [23]. Mount the Damper
Holder [26] so that its flat surface without difference is faced to the Damper [25]. Fit the Retaining Ring D38
[21] and Sleeve (C) [20] on the outer circumference of the Cylinder [36] then insert the Cylinder [36] into the
Retainer Sleeve [18]. (Fig. 26)
Connect the Cylinder [36] and the Retainer Sleeve [18] with the four Needle Pins [19]. Fit Sleeve (C) [20] on
the outer circumference of the Retainer Sleeve [18] and fix it with the Retaining Ring D38 [21].
To connect the Cylinder Case [9] with the Crank Case [94] easily, move the Crank Shaft [92] and move the
Piston [44] to the top dead center, then insert the Piston [44] in the Cylinder [36]. (Fig. 27)
Groove
Slide Sleeve (B) [33]
Slide Sleeve (A) [34]
Fig. 24
Fig. 25
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Cylinder [36]