Makita HM1307CB User Manual download pdf (Page 9)

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Repair

[3] DISASSEMBLY/ASSEMBLY

[3]-4. AVT Mechanism of HM1317C, HM1317CB (cont.)

DISASSEMBLING

Fig. 15

Fig. 16

(3) Disassemble Ring spring 55 which secures the component parts for AVT mechanism as illustrated in Fig. 15.

Remove 2pcs. of O ring 45

from Cylinder 52.

And remove another

Ring spring 55

from Cylinder 52.

Remove the component parts for AVT as follows.

Weight guide (2pcs.) can be removed from

Counter weight in this step.

1R306

1R003 with

1R212

Shoulder

sleeve

Ring

spring 55

1R024

1R356

Set 1R306 to Arbor press.

Attach two pcs. of 1R024 or 1R356

to 1R306 keeping 67mm distance.

Stand the Cylinder on the

O ring 45 assembled side.

Pressing down Shoulder sleeve,

remove Ring spring 55.

1R024

1R356

Arbor Press

O ring 45

(2pcs.)

O ring 45

(2pcs.)

Shoulder

sleeve

Compression

spring 66

Compression spring 66

Drive sleeve

Weight guide

Counter weight

Cylinder 52

Ring spring 55

Rear cover

(with AVT mark)

Crank housing

ASSEMBLING

(1) Assemble ring spring 15 and 2 pcs. of O ring 45 to Cylinder 52. And then, assemble the component parts for AVT

mechanism. Refer to Figs. 16 and 15.

(2) Insert Pin 6 into the position illustrated in Fig. 17.

Pin 6

Fig.17

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 18 19

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Makita HM1307CB User Manual Page 9

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