Hitachi NV 50AF3 Technical Data And Service Manual page 34

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(3) Disassembly and reassembly of the Nail Guide [96] (See Fig. 28.)
Nail Guide Shaft [31]
Nose [33]
(a) Disassembly
Remove the feeder unit from the output section as indicated in item 9-5-(1).
Remove the Nail Guide [96] by pulling up the Nail Guide Shaft [31] beyond the Nose [33].
Remove the Nylock Hex. Socket Hd. Bolt M4 x 10 [104] with the 3 mm dia. hex. bar wrench and remove the
Nail Guide Cover [101], the Cover [102] and the Springs [98] [100].
Then pull the Guide Lock [94] out of the Nail Guide [96] to remove Nail Stopper (A) [97] and Nail Stopper
(B) [99].
(b) Reassembly
Proceed in reverse to the disassembly procedure, taking care of the following points.
Carefully remove any dust stuck in the Nail Guide [96] before reassembly.
Degrease the Nail Guide [96] screw before tightening the Nylock Hex. Socket Hd. Bolt M4 x 10 [104].
After reassembly, push Nail Stopper (A) [97] and Nail Stopper (B) [99] with a finger and make sure that
they quickly return to position.
Mount the Nail Guide Shaft [31] facing the chamfered side upward.
Fig. 28 Disassembly and reassembly of the nail guide
O-Ring (P-4) [93]
Guide Lock [94]
Spring [95]
Nail Guide [96]
Nail Stopper (A) [97]
Spring [98]
Nail Stopper (B) [99]
Spring [100]
Nail Guide Cover [101]
Cover [102]
--- 32 ---
[Tool required]
3 mm hex. bar wrench
Sleeve (B) [103]
Nylock Hex. Socket
Hd. Bolt M4 x 10 [104]

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