Hitachi VB 16Y Technical Data And Service Manual page 18

(2) Reassembly of the cam shaft unit (Fig. 21)
Perform reassembly so that the chamfered portion of
the Cam Shaft [12] is aligned with the pin of the
Cam [10] in the same direction.
* Otherwise, the Sensor Gear [26] cannot be
mounted in the proper position and there will be a
fear of damage to the volume and the gear.
(3) Reassembly of Roller (C) [76] (Fig. 22)
Press-fit the Needle [75] into Bracket (A) [86] so
that the oil grooves of the Needle [75] are aligned
with the engraved marks on Bracket (A) [86].
(4) Reassembly of bracket (A) unit (Fig. 23)
Mount Bracket (A) [96] to Spring (D) [77] so that
the folded portion of Spring (D) [77] securely fits in
the notch of the Cutter Guard [89].
(5) Reassembly of bracket (A) and (B) unit
Apply grease (DOUBLEX 251) to the shaded areas
shown in Fig. 18 adequately. Aligning the two
Feather Keys 3 x 3 x 20 [74] of Shaft (A) [72] with
the key grooves of Bracket (B) [91], press-fit Shaft
(A) [72] into Bracket (B) [91] until it contacts the
end surface of Bracket (B) [91].
Pin
[32]
Same
direction
[78]
[77]
[89]
[86]
[73]
Fig. 22
[89]
[86]
--- 15 ---
Chamfered
portion
Fig. 21
Align.
Engraved
marks
[75] [76] Oil grooves
A
Fig. 22-a
[78]
[77]
Fig. 23
[45]
[10]
[12]
Folded
portion
[75]
[76]