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Do not remove the Shaft Ring [73] in such a manner.
Adjuster [75]
Nail Guide Shaft [74]
Pliers
Shaft Ring [73]
Fig. 19
After removing the Hex. Socket Hd. Bolt M4 x 6 [84], the Nail guide Cover [89], Main Stopper Spring [83]
and Sub Stopper Spring [88] can be taken out.
After removing the Roll Pin D3 x 28 [85], the Main Nail Stopper [86] and Nail Stopper [87] can be taken out.
To disassemble the guide lock portion, extract the Roll Pin D3 x 10 [81] and take off the Lock Shaft [79].
The Guide Lock [80] and Spring [82] can then be taken off.
Turn the Adjuster [75] counterclockwise pulling toward the lower end of the Nose [32]. Then the Bolt [77]
can be removed from the Nose [32] and the Adjuster [75], Adjuster Spring [76] and Bolt [77] can be
removed in a unit.
Flat-blade
screwdriver
(a) (b)
Shaft Ring [73]
(b) Reassembly
Reassembly can be accomplished by following the disassembly procedures in reverse. However, special
attention should be given to the following items.
Prior to reassembly, thoroughly remove tar, dirt and other foreign matter from the latch groove on the Nail
Guide [78].
When reassembling the Main Stopper Spring [83] and Sub Stopper Spring [88], carefully ensure that they
are properly inserted into the holes on the Main Nail Stopper [86] and Nail Stopper [87].
On completion of reassembly, push up the Main Nail Stopper [86] and Nail Stopper [87] by hand, and
confirm that they return smoothly.
Mount the Adjuster [75] before mounting the Nail Guide Shaft [74]. Otherwise the Adjuster [75] cannot be
mounted. Mount the Adjuster [75] according to the following procedure (see Fig. 20).
(I) Mount the Adjuster Spring [76] and the Bolt [77] to the inside of the Adjuster [75].
(II) Insert the Nail Guide Shaft [74] into the Nose [32]. Pressing the head of the Bolt [77], align the tip of
the Bolt [77] with the female screw for mounting the adjuster. Turn the Adjuster [75] clockwise and
screw in pulling it toward the tip of the Nose [32].
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