Hitachi NR 65AK Service Manual page 13

Exhaust Vent
Head Valve
(A) [10]
O-Ring [16]
Piston (H) [17]
(Driver blade)
Accumulator
Cylinder [15]
Piston
Bumper [19]
Nose [20]
Guard [23]
Pushing
Lever (B) [28]
Pushing
Lever (A) [30]
Plunger Spring (B) [46]
Plunger (A) [47]
Top Cover [3]
Control valve section
Body Ass'y [18]
Fig. 6 Construction
--- 9 ---
Valve Piston (B) [44]
Control valve section
Magazine Cover [71]
Cap [35]
Magazine [74]
Nail Feeder [83]
Feeder Plate [81]
Valve Bushing (B) [40]
Valve Bushing (A) [49]
Nail Gate [72]
Magazine section