Hitachi NV 65HMC Service Manual And Technical Data page 32

2-1/2 inch high pressure coil nailer
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1. Disassembly and reassembly of Nose, Pushing Lever (A), etc
(1) Disassembly
• Remove the four Nylock High Tension Bolts M6 x 20 [52]. You can then detach the Nose [43], Pushing
Lever (A) [55], etc.
• Remove the Shaft Ring [112] of the Nose Piece [116] by using a flat-blade screwdriver. You can then
detach the Nose Piece [116] and Nose Shaft [115].
• Remove the Shaft Ring [112] of the Change Knob [44] by using a flat-blade screwdriver. You can then
detach the Change Knob [44].
(2) Reassembly
Conduct reassembly by reversing the disassembly procedure, but note the following:
• Apply grease to the O-Ring (S-38) [42], fit it to the outer periphery of the inlaid part of the Nose [43],
and then carefully reassemble.
• Fit the convex portion of Adjuster Plate (A) [83] to the groove of the Pushing Lever Guide [71] and
then reassemble.
• After reassembly, make sure the push lever components and Adjuster [74] move smoothly.
• Disassembly and reassembly of Nose, Pushing Lever (A), etc
2. Disassembly and reassembly of the adjuster section
(1) Disassembly
• Remove the Retaining Ring (E-Type) For D3 Shaft [87]. You can then disassemble the Adjuster [74]
section into Pushing Lever (A) [55], Pushing Lever Cover (A) [54], and Adjuster [74] components.
• Pull out the Roll Pin D2 x 16 [77] by using the roll pin puller (ø 2).
Adjuster [74] section into its components.
(2) Reassembly
Conduct reassembly by reversing the disassembly procedure, but note the following:
• Reassemble with the bent portion of Adjuster Plate (A) [83] facing towards the Adjuster [74].
• Reassemble with the convex portion of Adjuster Plate (C) [82] facing Adjuster Plate (A) [83].
Disassembly and reassembly of the adjuster section
Adjuster Plate (A) [83]
bent part
Pushing Lever (B) [85]
Pushing Lever Guide [71]
Convex portion
Adjuster Plate (A) [83]
Fit convex portion to groove.
Adjuster [74]
Adjuster [74]
Pushing Lever (A) [55]
of
Adjuster Plate (C) [82]
Bent part
Adjuster
Spring [81]
Adjuster Plate (A) [83]
-29-
You can then disassemble the
Convex portion

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