Hitachi DH 24PC3 Technical Data And Service Manual page 32

(6) Removal of the gear cover and the pinion sleeve
Pinch the Pinion Sleeve [47] with the pinion sleeve puller (J-302, No. 319265) and fix the pinion sleeve puller
to a vise. Pull the Gear Cover Ass'y [10] to remove the Pinion Sleeve [47] from the Gear Cover Ass'y [10]
(Figs. 20 and 21).
Gear Cover Ass'y [10]
Claws of pinion sleeve puller
Pinion Sleeve [47]
Pinion Sleeve [47]
Pinion sleeve puller (J-302)
--- 29 ---
Pinion sleeve puller (J-302)
Fig. 20
Fig. 21
Hold with a vise.
Adjuster