Hitachi NR90GC Service Manual - Page 64

Remove the Tapping Screw W/Flange D4 x 14 Black, and the Hex. Socket Hd. Bolt M5 x 15

Page 64 highlights

(3) Disassembly and reassembly of Handle (B) [84], Controller [101] and the related parts [Tools required] Spanner Hex. bar wrench (4 mm) Phillips screwdriver Roll pin puller (2.5 mm (0.098")) (a) Disassembly (See Fig. 54-2.) Remove the Trigger Spring [97] and the Chamber Lock Bar [100]. Remove the Pin D2.5 [115] and Switch Lever (B) [114]. Remove the Tension Plate [113] from Switch Lever (B) [114]. Remove the Tapping Screw (W/Flange) D4 x 14 (Black) [95] to remove the Magazine Plate [94]. Remove the Prism [96]. Remove the Flat Hd. Tapping Screw D4 [104] to remove the Wiring Cover [103]. Remove the Switch Arm [82] and the Lock Bar Spring [102]. Remove the Tapping Screw (W/Flange) D4 x 14 (Black) [95] to remove the Controller [101] and Internal Wire (A) [86]. Disconnect the connector of the Controller [101] and Internal Wire (A) [86]. Remove the Roll Pin D2.5 x 10 [99] with a roll pin puller to remove the Trigger [98]. Remove the Switch Mount [81] from Internal Wire (A) [86]. Remove the Nylon Nut M5 [92] and the Hex. Socket Hd. Bolt M5 x 15 [76]. Remove the Sleeve [77] and the hook ass'y. --- 61 ---

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--- 61 ---
(3) Disassembly and reassembly of Handle (B)
[84]
, Controller
[101]
and the related parts
[Tools required]
Spanner
Hex. bar wrench (4 mm)
Phillips screwdriver
Roll pin puller (2.5 mm (0.098"))
(a) Disassembly (See Fig. 54-2.)
Remove the Trigger Spring
[97]
and the Chamber Lock Bar
[100]
.
Remove the Pin D2.5
[115]
and Switch Lever (B)
[114]
.
Remove the Tension Plate
[113]
from Switch Lever (B)
[114]
.
Remove the Tapping Screw (W/Flange) D4 x 14 (Black)
[95]
to remove the Magazine Plate
[94]
.
Remove the Prism
[96]
.
Remove the Flat Hd. Tapping Screw D4
[104]
to remove the Wiring Cover
[103]
.
Remove the Switch Arm
[82]
and the Lock Bar Spring
[102]
.
Remove the Tapping Screw (W/Flange) D4 x 14 (Black)
[95]
to remove the Controller
[101]
and Internal Wire
(A)
[86]
.
Disconnect the connector of the Controller
[101]
and Internal Wire (A)
[86]
.
Remove the Roll Pin
D2.5 x 10
[99]
with a roll pin puller to remove the Trigger
[98]
.
Remove the Switch Mount
[81]
from Internal Wire (A)
[86]
.
Remove the Nylon Nut M5
[92]
and the Hex. Socket Hd. Bolt M5 x 15
[76]
.
Remove the Sleeve
[77]
and the hook ass’y.