Hitachi NR 90AC2 Technical Data And Service Manual page 29

(b) Reassembly
Disassembly procedures should be followed in the reverse order. Note the following points.
Insert the Nail Rail [63] from the rear of the Magazine [76] and press-fit the Nail Rail [63] into the Magazine
[76] by tapping with a wooden hammer so that the protrusion of the Nail Rail [63] becomes flush with the
rear end of the Magazine [76].
Hook the hook of the Ribbon Spring [74] on the Magazine [76] then mount Nail Feeder (B) [72] to the
Magazine [76].
Press the mounting surface of the Nail Stopper [78] against the Magazine [76] and slide it backward until
the "A" portion fits into the concave portion of the Magazine Cover [67] then secure them with the bolt. At
this time, mount the Sleeve [66] without fail.
Nylock Bolt (W/Flange)
M6 x 20 [27]
Nail Rail [63]
Connector [62]
Roll Pin D4 x 40 [69]
Nail Feeder (A) [68]
Front
Spring [70]
Pushing Lever Stopper [71]
Handle Arm [64]
Magazine [76]
Hook
Needle Roller D4 x 20 [75]
Ribbon Spring [74]
Roll Pin D3 x 10 [73]
Nail Feeder (B) [72]
Sleeve
Nylon Nut M6 [65]
[66]
Hex. Socket Hd. Bolt
(W/Flange) M6 x 12 [77]
Fig. 20
--- 26 ---
Magazine Cover [67]
Rear
Nail
Stopper
[78]
A
Hex. Socket
Hd. Bolt (W/Flange)
M6 x 12 [77]