Hitachi NR90GC Service Manual - Page 43

before tightening the Hex. Socket Hd. Bolt M5 x 10, Convex portion of Handle B

Page 43 highlights

(b) Reassembly Reassembly procedures should be followed in the reverse order. Note the following points. Mount the Plate Sleeve [54] facing the stepped portion to the handle so that the stepped portion fits in the concave portion of the Side Plate [55] (Fig. 31). Check that each lever protruded from the handle section fits in each hole on the side of the handle of the housing section (Fig. 32). Align the Pushing Lever [64] with Adjuster Bush (S) [67] fitting the convex portions in the concave portions before tightening the Hex. Socket Hd. Bolt M5 x 10 [66]. If the U-Nut M5 [56] turns together when tightening the Hex. Socket Hd. Bolt M5 x 20 [13], insert a small flatblade screwdriver between the handle and the U-Nut M5 [56] to stop turning of the U-Nut M5 [56]. Stepped portion Concave portion Plate Sleeve [54] Housing section Fig. 31 Slide Plate [55] Handle section Convex portion of Handle (A) [124] Convex portion of Handle (B) [84] Switch Lever (B) [114] Chamber Lock Bar [100] Switch Arm [82] Fig. 32 --- 40 ---

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--- 40 ---
(b) Reassembly
Reassembly procedures should be followed in the reverse order.
Note the following points.
Mount the Plate Sleeve
[54]
facing the stepped portion to the handle so that the stepped portion fits in the
concave portion of the Side Plate
[55]
(Fig. 31).
Check that each lever protruded from the handle section fits in each hole on the side of the handle of the
housing section (Fig. 32).
Align the Pushing Lever
[64]
with Adjuster Bush (S)
[67]
fitting the convex portions in the concave portions
before tightening the Hex. Socket Hd. Bolt M5 x 10
[66]
.
If the U-Nut M5
[56]
turns together when tightening the Hex. Socket Hd. Bolt M5 x 20
[13]
, insert a small flat-
blade screwdriver between the handle and the U-Nut M5
[56]
to stop turning of the U-Nut M5
[56]
.
Stepped portion
Plate Sleeve
[54]
Slide Plate
[55]
Convex portion of Handle (A)
[124]
Switch Lever (B)
[114]
Chamber Lock Bar
[100]
Fig. 31
Convex portion of Handle (B)
[84]
Concave portion
Fig. 32
Housing section
Handle section
Switch Arm
[82]