Disassembly And Reassembly Of The Control Valve Section - Hitachi NV 75AG Technical Data And Service Manual

10-3. Disassembly and Reassembly of the Control Valve Section (See Fig. 14)
Pushing Lever
Guide [40]
Body [18]
Roll Pin D3 x 28 [38]
Trigger [39]
Roll Pin D3 x 28 [38]
Head Valve O-Ring (I.D 16.8) [52]
Valve Bushing (B) [53]
O-Ring (S-18) [54]
O-Ring (I.D 8.8) [55]
O-Ring (I.D 11) [56]
Valve Piston (B) [57]
O-Ring (S-4) [48]
Plunger Spring [58]
Plunger (A) [59]
O-Ring (I.D 1.8) [60]
Valve Bushing (A) [61]
Fig. 14
[Tools required]
Roll pin puller (3 mm (0.118 ") dia.)
(a) Disassembly
Pull out the Roll Pin D3 x 28 [38] with the roll
pin puller (3 mm (0.118") dia.), remove the
Pushing Lever Guide [40], and the Trigger [39]
can be removed.
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