Hitachi NR 83AA3 Technical Data And Service Manual page 36

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(2) Magazine [78], Nail Feeder Ass'y [75] and the related parts (See Fig. 20.)
Tool required
Hexagonal 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 stopper hole for the Nail Feeder Ass'y [75]. Then the Nail Feeder
Ass'y [75], Ribbon Spring [76] and Needle Roller D4 x 20 [77] can be removed from the front of the
Magazine [78].
Remove the three Hex. Socket Hd. Bolts (W/Flange) M6 x 12 [80]. Then Handle Arm [35], Nail Stopper
[81] and Magazine Cover [70] can be removed together with the other parts.
The Nail Rail [68] that is press-fitted into the Magazine [78] has a protrusion at the rear end to prevent
coming off. Tap at the front of the Magazine [78] 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 [68] from the rear of the Magazine [78] and press-fit the Nail Rail [68] into the Magazine
[78] by tapping with a wooden hammer so that the protrusion of the Nail Rail [68] becomes flush with the
rear end of the Magazine [78].
Hook the hook of the Ribbon Spring [76] on the Magazine [78] then mount the Nail Feeder Ass'y [75] to the
Magazine [78]. Slide the Nail Feeder Ass'y [75] backward and insert a screwdriver or a rod into the stopper
hole for the Nail Feeder Ass'y [75] as shown in Fig. 15.
Press the mounting surface of the Nail Stopper [81] against the Magazine [78] and slide it backward until
the "A" portion fits into the concave portion of the Magazine Cover [70] then secure them with the bolt. At
this time, mount the Sleeve [69] without fail.
Ribbon Spring [76]
Nail Feeder Ass'y [75]
Front
Convex portion
Nail Rail [68]
Hooking portion
Hook
Needle Roller
D4 x 20 [77]
Concave portion
Nylon Nut M6 [34]
Sleeve [69]
Nail
Stopper
[81]
Magazine [78]
Fig. 20
--- 33 ---
Magazine Cover [70]
Rear
A
[80] Hex. Socket
Hd. Bolt (W/Flange)
M6 x 12

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