Mechanism And Operation Principle; Mechanism - Hitachi NV 50AG2 Technical Data And Service Manual

7. MECHANISM AND OPERATION PRINCIPLE

7-1. Mechanism

As indicated in Fig. 5, the structure of the Model NV 50AG2 can be generally divided into four sections: the output
section, the control valve section, the driving section, and the magazine section.
Top cover
Exhaust vent
Head valve
Piston
(Driver blade)
Cylinder
Piston
bumper
Tail cover
Feeder
(Nail pawls)
Adjuster
Vertical
guide
Pushing Lever
Plunger spring
Exhaust cover
Plunger (A)
Control valve
Body
Change knob
Trigger (A)
Guide lock (Knob)
Nail guide
Ejection port
Feeder
(Nail pawls)
Fig. 5 Construction
--- 11 ---
Valve bushing (A)
Control valve section
Hook
Magazine
Feed piston
Section A-A
Valve bushing (B)
Nail holder
Magazine
section