Hitachi NT 65MA2, Технические данные и руководство по обслуживанию

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[Tools required]
Flat-blade screwdriver
Roll pin puller (3 mm (.118") dia.)
Hex. bar wrench (4 mm)
10-3. Disassembly and Reassembly of the Control Valve Section (See Fig. 15.)
Retaining Ring (E-type)
for D6 Shaft [27]
Roll Pin D3 x 28 [51]
Steel Ball D3.97 [53]
Valve Bushing (B) [59]
O-Ring (S-18) [60]
O-Ring (I.D 8.8) [61]
Valve Piston (B) [63]
O-Ring (I.D 8.8) [61]
O-Ring (I.D 11) [64]
Plunger Spring [65]
Plunger (A) [66]
O-Ring (I.D 1.8) [67]
Valve Bushing (A) [68]
Fig. 15 Disassembly and reassembly of the control
valve section
Pushing Lever (B) [37]
Remove
Trigger (A) [52]
Force down
Screwdriver
Fig. 16
Plunger (A) [66]
O-Ring (S-4) [62]
Head Vavle O-ring
(I.D 16.8) [58]
Change Knob [55]
Trigger (A) [52]
Spring (C) [54]
Carefully disassemble so as
not to lose these parts.
(a) Disassembly
Remove the Retaining Ring (E-type) for D6
Shaft [27] with the blade of a screwdirver and
pull out the Change Knob [55] being careful
not to lose the Steel Ball D3.97 [53] and
Spring (C) [54]. Then Trigger (A) [52] can be
removed.
To remove Trigger (A) [52] together with the
driving section (Pushing Lever (B) [37], Blade
Guide [38], etc.), remove Trigger (A) [52]
while forcing down Plunger (A) [66] with the
blade of a screwdriver, as shown in Fig. 16.