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Hitachi NR 83AA2 - Page 30

Hitachi NR 83AA2
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--- 27 ---
(2) Magazine [72], Nail Feeder Ass'y [69] and the related parts (See Fig. 19.)
Tool required
Hexagon bar wrench (5 mm )
(a) Disassembly
Perform disassembly according to 10-2-(3) to remove the entire magazine section.
Remove a screwdriver or a rod from the the stopper hole for the Nail Feeder Ass'y [69]. Then the Nail
Feeder Ass'y [69], Ribbon Spring [70] and Needle Roller D4 x 20 [71] can be removed from the front of the
Magazine [72].
Remove the three Hex. Socket Hd. Bolts (W/Flange) M6 x 12 [74]. Then Handle Arm [36], Nail Stopper
[75] and Magazine Cover [64] can be removed together with the other parts.
The Nail Rail [62] that is press-fitted into the Magazine [72] has a protrusion at the rear end to prevent
coming off. Tap at the front of the Magazine [72] using a hammer and a bar being careful not to scratch the
parts.
(b) Reassembly
Disassembly procedures should be followed in the reverse order. Note the following points.
Insert the Nail Rail [62] from the rear of the Magazine [72] and press-fit the Nail Rail [62] into the Magazine
[72] by tapping with a wooden hammer so that the protrusion of the Nail Rail [62] becomes flush with the
rear end of the Magazine [72].
Hook the hook of the Ribbon Spring [70] on the Magazine [72] then mount the Nail Feeder Ass'y [69] to the
Magazine [72]. Slide the Nail Feeder Ass'y [69] backward and insert a screwdriver or a rod into the stopper
hole for the Nail Feeder Ass'y [69] as shown in Fig. 15.
Press the mounting surface of the Nail Stopper [75] against the Magazine [72] and slide it backward until
the "A" portion fits into the concave portion of the Magazine Cover [64] then secure them with the bolt. At
this time, mount the Sleeve [63] without fail.
Fig. 19
Hook
Nylon Nut M6 [35]
Sleeve [63]
Nail Feeder Ass'y [69]
Convex portion
Hooking portion
[74] Hex. Socket
Hd. Bolt (W/Flange)
M6 x 12
Magazine [72]
Nail
Stopper
[75]
Ribbon Spring [70]
Concave portion
Needle Roller
D4 x 20 [71]
Nail Rail [62]
A
Magazine Cover [64]
Rear
Front