Hitachi NV 65HMC Service Manual And Technical Data page 34

2-1/2 inch high pressure coil nailer
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4. Disassembly and reassembly of Nail Guide, Nail Stopper (A), Nail Stopper (B), etc
[Tools required]
• Long-nose pliers
(1) Disassembly
• Grasp the Nail Guide Shaft [53] with long-nose pliers or a similar tool, lower it, and then pull it out.
You can then remove Nail Guide [121] and other components together.
• Remove the Nylock Hex. Socket Hd. Bolt M4 x 12 [128] and Nylock Hex. Socket Hd. Bolt M4 x 10
[126] by using the Hex. bar wrench (3 mm). You can then detach the Nail Guide Cover [117], Nail
Stopper Spring [123], Stopper Spring [125], and Cover [118].
• Remove the Shaft Ring [112] of the Guide Lock [119] by using the flat-blade screwdriver, and then pull
out Guide Lock [119]. You can remove Nail Stopper (A) [122] and Nail Stopper (B) [124].
• Disassembly and reassembly of Nail Guide, Nail Stopper (A), Nail Stopper (B), etc
Nose [43]
Nail Guide Shaft [53]
Fold back the end for
reassembly.
(2) Reassembly
Conduct reassembly by reversing the disassembly procedure, but note the following:
• Completely clean the claw groove of the Nail Guide [121] prior to reassembly.
• Completely engage the Nail Stopper Spring [123] and Stopper Spring [125] with the convex portions of
Nail Stopper (A) [122] and Nail Stopper (B) [124] prior to reassembly.
• After reassembly, press Nail Stopper (A) [122] and Nail Stopper (B) [124] respectively with your fingers
and make sure both return smoothly.
• Assemble the Nail Guide Shaft [53] with its chamfered portion facing up.
• Fit the Shaft Ring [112] into the groove of the Nail Guide Shaft [53].
• Fold back the end of the Cover [118] and fit it into the convex portion of the Magazine [132].
• Flat-blade screwdriver
O-Ring (P-4) [113]
Shaft Ring [112]
Nail Guide Cover [117]
Cover [118]
• Hex. bar wrench (3 mm)
Guide Lock [119]
Spring [120]
Nail Guide [121]
Nail Stopper (A) [122]
Nail Stopper Spring [123]
Nylock Hex. Socket Hd. Bolt
Sleeve (B) [127]
M4 x 12 [128]
-31-
Nail Stopper (B) [124]
Stopper Spring [125]
Shaft Ring [112]
Nylock Hex. Socket Hd.
Bolt M4 x 10 [126]

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