Hitachi NT65MA3 - 2-1/2 Angled Finish Nailer Service Manual page 26

Push
Body Ass'y [30]
Plunger (A) [68]
Wire with 1.5 to 3 mm dia.
(.059" to .118")
4 to 5 mm (.157" to .197") dia. bar
Head Valve O-ring
(I.D 16.8) [60]
Valve Bushing
(B) [61]
Valve Piston (B) [65]
Valve Bushing (A) [70]
When disassembling,
do not pull out this
part by gripping it
with pliers.
Fig. 17
Valve Bushing (B) [61]
Hole
Be careful not to damage
the internal surface.
Fig. 18
Pull out the Roll Pin D3 x 28 [54] with the roll
pin puller (3 mm (.118") dia.), and take out the
control valve in the following manner.
1) Remove the Exhaust Cover [5] by following the
procedure in (1), section 10-2.
2) As shown in Fig. 17, put a 4 to 5 mm (.157" to
.197") dia. bar in from the upper side of the
Body Ass'y [30] and push the top of Valve
Piston (B) [65]. Now, the parts forming the
control valve can be taken out except Valve
Bushing (A) [70] and the Head Valve O-Ring
(I.D 16.8) [60].
CAUTION:
Be careful not to damage Valve Piston (B)
[65], Valve Bushings (A) [70] and (B) [61],
etc.
Do not pull out the end of Plunger (A) [68]
with pliers.
3) To take out Valve Bushing (B) [61], put a 1.5 to
3 mm (.059" to .118") dia. wire with its end
hooked into the hole in the bushing and pull it
out while being careful not to damage the
internal surface of Valve Bushing (B) [61], as
shown in Fig. 18.
--- 23 ---