--- 27 ---
(3) Disassembly and reassembly of the Feeder [41], Feed Piston [73], etc. (See Fig. 17)
(a) Disassembly
Remove the Magazine Ass'y [106] and the Guard [32] by following the procedure in (1), section 10-4.
Holding the Feed Piston Cover [77] with a finger to prevent jumping of the Spring [75], remove the Retaining
Ring for D24 Hole [78] with a puller for retaining ring (C-type) for hole. Then the Feed Piston Cover [77], the
Bumper [76] and the Spring [75] can be removed.
Pull out the Roll Pin D4 x 14 [38] with a roll pin puller (4 mm (0.157") dia.). Then the Feed Piston [73] and the
Feeder Arm [39] can be removed.
Push out the Needle Roller [37] with a roll pin puller (4 mm (0.157") dia.). Then the Feeder Arm [39], the
Feeder [41] and the Feeder Spring [40] can be removed.
(b) Reassembly
Disassembly procedures should be followed in the reverse order. Note the following points:
Before reassembly, remove foreign matter such as broken pieces of the Piston Bumper [20] from the passage
between the Body Ass'y [21] and the Nose [36] (Fig. 21), and the feed piston chamber (Fig. 22) completely for
smooth operation of the Feed Piston [73].
Fig. 19
Fig. 20
Mount the Adjuster Knob
[68] in this orientation.
Adjuster [71]
Dihedral width portion
of the Latch [27]
Radius portion
Apply grease to the O-Ring (P-9) [72] and O-Ring (P-18) [74] before reassembly.
Charge grease in the groove of the Feed Piston [73] (Fig. 22).
Fig. 21
Fig. 22
Piston Bumper [20]
Nose [36]
Nose [36]
Passage
Body
Ass'y [21]
Magazine
Groove
Split
Feed Piston [73]
Roll Pin
D4 x 14 [38]
Feeder Arm [39]
Bumper [76]
Feed piston chamber
O-Ring (P-18) [74]
Retaining Ring for
D24 Hole [78]
A surface
O-Ring (P-9) [72]
Groove
O-Ring (1AP-3) [31]
Washer [30]
Passage
Window of
Pushing Lever (B) [70]
