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(3) Piston Bumper (B) [27], Gasket (A) [28] and related parts (See Figs. 14 and 15.)
Tools required
Hexagonal bar wrench (5 mm, 6 mm)
Roll pin puller (3 mm (0.118") dia.)
Screwdriver
(a) Disassembly
Pull out the Roll Pin D3 x 45 [43] to remove Guard (B) [42].
Remove the Nylock Bolt (W/Flange) M6 x 12 [29] to remove the Guard [30].
Pull 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. (This is to prevent the Nail Feeder Ass'y [75] from moving
forward when removing the Magazine [78].)
Remove the Nylock Bolt (W/Flange) M8 x 16 [33] and pull out the entire magazine section backward.
Remove the four Nylock Hex. Socket Hd. Bolts M8 x 22 [31]. Then Piston Bumper (B) [27] and Gasket (A)
[28] can be removed together with the Nose [32] and Pushing Lever [45] (Fig. 14).
(b) Reassembly
Disassembly procedures should be followed in the reverse order. Note the following points.
Plunger (B) Spring [58], Plunger (B) [59] and Washer M5 [57] are apt to be removed during disassembly.
Be sure to check that Plunger (B) Spring [58], Plunger (B) [59] and Washer M5 [57] are mounted without
fail during reassembly.
Pressing the Magazine [78] against the Nose [32], secure them with the Nylock Bolt (W/Flange) M8 x 16
[33] with a minimum clearance between the Magazine [78] and the Nose [32].
Mount the Roll Pin D3 x 45 [43] without fail.
Exhaust Valve [9]
1 mm dia. hole
Cross-sectional view
Fig. 13
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