Hitachi NV 50AG2 Technical Data And Service Manual page 32

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Feed Piston [72]
Apply grease.
Fig. 23
(4) Disassembly and reassembly of the Nail Guide [90] (See Fig. 25.)
Nail Guide Shaft [87]
Tools required
3 mm hexagon bar wrench
(a) Disassembly:
Using a flat-blade screwdriver or similar tool, remove the Shaft Ring [86] of the Nail Guide Shaft [87], and
extract the Nail Guide Shaft [87]. The Nail Guide [90] and the related parts can then be removed together.
With the 3 mm hexagon bar wrench, remove the Nylock Hex. Socket Hd. Bolt M4 x 10 [94]. The Nail Guide
Cover [93] can then be removed.
Next, extract the Guide Lock [88] from the Nail Guide [90]. Nail Stopper (B) [91] can then be taken off.
O-Ring (1AP-20) [71]
O-Ring (P-4) [36]
Flat-blade screwdriver
Feeder Arm [28]
Roll Pin D4 x 14 [26]
Feed Piston [72]
Shaft Ring [86]
Guide Lock [88]
Spring [89]
Nail Guide [90]
Nail Stopper (B) [91]
Stopper Spring [92]
Fig. 25
--- 30 ---
Split end
Groove
Retaining
Ring for
Nose [69]
D28 Hole [77]
Fig. 24
Nail Guide Cover [93]
Nylock Hex. Socket Hd.
Bolt M4 x 10 [94]

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