Hitachi NR90GC Service Manual - Page 53

is used for the Seal Lock Hex. Socket Hd. Bolt M5 x 10

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Mount the Pushing Lever Spring [63] and insert the Cylinder Ass'y [42] into the Housing [71]. At this time, fit the convex portion of the Pushing Lever Connector [68] in the end of the Pushing Lever Spring [63] being careful not to remove the Pushing Lever Spring [63] (Fig. 45). Cylinder Ass'y [42] Pushing Lever Spring [63] Convex portion Fig. 45 Pushing Lever Connector [68] Secure the Cylinder Plate [57] to the Cylinder Ass'y [42] with the Seal Lock Hex. Socket Hd. Bolt M5 x 10 [58] and join the Cylinder Ass'y [42] with the Housing [71]. Make the Cylinder Plate [57] contact with the convex portion of the cylinder. Do not tighten the Seal Lock Hex. Socket Hd. Bolt M5 x 10 [58] with the Cylinder Plate [57] overlapped on the convex portion (Fig. 46). At this time, insert the Blade Guide [53] between the Cylinder Ass'y [42] and the Cylinder Plate [57]. * Because it is difficult to mount the Blade Guide [53] later because the Cylinder Plate [57] pushes the Blade Guide [53]. * Do not use any bolt other than the Seal Lock Hex. Socket Hd. Bolt M5 x 10 [58] because a special adhesive is used for the Seal Lock Hex. Socket Hd. Bolt M5 x 10 [58]. Finally, secure the Switch Plate [34] to the Chamber [24] with the Machine Screw M4 x 6 [33]. * After mounting the Cylinder Ass'y [42] to the Housing [71], mount the Switch Plate [34] to the Chamber [24]. Note that the Cylinder Ass'y [42] cannot be mounted to the Housing [71] if the Switch Plate [34] is mounted to the Chamber [24] first. --- 50 ---

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--- 50 ---
Secure the Cylinder Plate
[57]
to the Cylinder Ass’y
[42]
with the Seal Lock Hex. Socket Hd. Bolt M5 x 10
[58]
and join the Cylinder Ass’y
[42]
with the Housing
[71]
.
Make the Cylinder Plate
[57]
contact with the convex portion of the cylinder.
Do not tighten the Seal Lock Hex.
Socket Hd. Bolt M5 x 10
[58]
with the Cylinder Plate
[57]
overlapped on the convex portion (Fig. 46).
At this
time, insert the Blade Guide
[53]
between the Cylinder Ass’y
[42]
and the Cylinder Plate
[57]
.
* Because it is difficult to mount the Blade Guide
[53]
later because the Cylinder Plate
[57]
pushes the Blade
Guide
[53].
* Do not use any bolt other than the Seal Lock Hex. Socket Hd. Bolt M5 x 10
[58]
because a special adhesive
is used for the Seal Lock Hex. Socket Hd. Bolt M5 x 10
[58]
.
Cylinder Ass’y
[42]
Pushing Lever Spring
[63]
Pushing Lever Connector
[68]
Convex portion
Fig. 45
Mount the Pushing Lever Spring
[63]
and insert the Cylinder Ass’y
[42]
into the Housing
[71]
.
At this time, fit
the convex portion of the Pushing Lever Connector
[68]
in the end of the Pushing Lever Spring
[63]
being
careful not to remove the Pushing Lever Spring
[63]
(Fig. 45).
Finally, secure the Switch Plate
[34]
to the Chamber
[24]
with the Machine Screw M4 x 6
[33]
.
* After mounting the Cylinder Ass’y
[42]
to the Housing
[71]
, mount the Switch Plate
[34]
to the Chamber
[24]
.
Note that the Cylinder Ass’y
[42]
cannot be mounted to the Housing
[71]
if the Switch Plate
[34]
is mounted
to the Chamber
[24]
first.