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P 6/ 10
Repair
[3] ASSEMBLING/ DISASSEMBLING
[3]-3. Magazine section (cont.)
Refer to previous page.
(1) Insert one end of Compression spring 2 into the hole in Adjust sleeve,
and attach Steel ball 3.5 to the other end of Compression spring 2
using grease in order not to drop off.
(2) Insert Adjust shaft into Adjust sleeve, then set Pin 2.5 in place.
(3) Pass Pin 3 through Adjust sleeve and Adjust shaft, then assemble
Change plate to Adjust sleeve.
Note: Pay attention to their directions. Refer to Fig. 14.
Before fitting Retaining ring S-25 in place, check the following points;
shifting Change plate to the desired height
turning Adjust sleeve
aligning indication of Nail length on Adjust sleeve with an arrow of
Change plate
facing the indication of Nail length to Inlet cap side
If the above checks are not successful, the position of Pin 3 is wrong.
(4) Fit Retaining ring S-25 into the groove of Adjust shaft using 1R291.
(5) Set Torsion spring 7 to the round end of Adjust shaft. Insert one leg
of Torsion spring 7 to the hole of Adjust shaft, and hook the other
leg with Magazine as illustrated in Fig. 15.
(5) Pass Pin 4 through hinges of Magazine, Torsion spring 7 and Adjust
shaft while bearing the restoring force of Torsion spring 7.
Note: Pass 1R308 temporarily in advance and then push out 1R308 by
inserting Pin 4. This way helps easy setting of Pin 4.
(6) Fit Stop ring E-3 to Pin 4 as illustrated in Fig. 16.
Note: Removing Magazine ass’y, Driver guide, Adjuster ass’y and
Trigger base section is required.
(1) Remove M5x16 Hex socket head bolt and M5x28 Hex socket head bolt.
Magazine ass’y and Contact arm cover can be removed. (Fig. 17)
(2) Remove Urethane ring 3. Contact arm can be removed. (Fig. 18)
(3) Remove four M8x30 Hex socket head bolts and Driver guide. (Fig. 1)
Front cushion can be replaced.
Driver can be replaced by accessing from Driver guide side.
(4) Push out all pins around Trigger using 1R268. (Fig. 22 of next page.)
(5) Remove Trigger base section and then slide Change rod out of Trigger base.
(Fig. 24 of next page.)
(6) Pick Trigger valve stem and remove Trigger valve portion using pliers.
(Fig. 19)
(7) Lever up Trigger valve guide using slotted screwdriver. (Fig. 20)
Trigger valve section can be removed as illustrated in Fig. 1.
Fig. 14
Fig. 15
Fig. 16
Fig. 17
Fig. 18 Fig. 19 Fig. 20
DISASSEMBLING
ASSEMBLING
Arrow of
Change plate
Indication of Nail length
on Adjust sleeve
Inlet cap side
round end
Face half-moon
end of Adjust shaft
to Driver guide end.
Driver guide side
Magazine
Change plate
Pin holder
of Magazine
Pin 4
leg of Torsion spring 7
hooked with Magazine
leg of Torsion spring 7 inserted
in the hole of Adjust shaft
Round end of Adjust shaft
Stop ring E-3
[3]-4. Trigger valve, Front cushion
M5x16 Hex
socket head
bolt
M5x28 Hex
socket head bolt
Contact arm
cover
Tool viewed from upper side
Adjuster complete
Contact arm
Pliers
Pilot valve
Trigger valve guide Trigger valve case
slotted screwdriver
Trigger valve case
Trigger valve stem
Urethane ring 3
Magazine ass’y