Hitachi H 25PV Technical Data And Service Manual page 20

Retaining ring for D28
Cylinder holder
Needle cover
Slide sleeve (B)
Groove
Fan guide reassembly
Assemble the Fan Guide [58] into the housing ass'y being careful of the concave portion of the fan guide
(Fig. 28).
Needle holder
Washer
Needle roller
Slide sleeve (A)
Cylinder
Fig. 26
Concave
Needle cover
Slide sleeve (B)
Fig. 25
Connecting rod
Fig. 28
--- 17 ---
Slide sleeve (A)
Cylinder
Crank case ass'y
Crank shaft
Fig. 27
Housing
Fan guide