Makita AN911H specifications Repair ASSEMBLING/ Disassembling 3-3. Magazine section

Repair

[3]ASSEMBLING/ DISASSEMBLING [3]-3. Magazine section (cont.)

ASSEMBLING

	P 6/ 10
Fig. 14
Indication of Nail length	Arrow of
on Adjust sleeve	Change plate

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

Face half-moon end of Adjust shaft to Driver guide end.

Inlet cap side round end

Driver guide side

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.

Fig. 15

Round end of Adjust shaft

Magazine

Change plate

leg of Torsion spring 7 hooked with Magazine

leg of Torsion spring 7 inserted in the hole of Adjust shaft

Fig. 16

Pin holder

of Magazine

Stop ring E-3 Pin 4

[3]-4. Trigger valve, Front cushion

DISASSEMBLING

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. 17

M5x28 Hex

socket head bolt

M5x16 Hex socket head bolt

Contact arm cover

Magazine ass’y

Fig. 18

Tool viewed from upper side

Urethane ring 3 Adjuster complete

Contact arm

Fig. 19

Trigger valve stem

Pliers Trigger valve case

Fig. 20

Trigger valve guide Trigger valve case Pilot valve

slotted screwdriver