P 6/ 17
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-3 Active dynamic vibration absorber (exclusively for HM0871C) (cont.)
DISASSEMBLING
(4)The removed Active dynamic vibration absorber can be disassembled as illustrated in Fig. 11.
Fig. 11
Pipe holder B |
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| Pipe holder support Pipe holder B O ring 18 | Compression spring 12 | O ring 8 | ||
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| Pipe holder A |
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Pipe holders can be separated by turning and pushing Pipe holders each other illustrated above.
O ring 18 | Compression | Counter weight | Pipe holder A |
| spring 12 | ||
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| Spring guide | |
| Pipe 16 |
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ASSEMBLING
(1)Assemble a pair of Active dynamic vibration absorber. (Fig. 11)
(2)Before fitting Active dynamic vibration absorber to the machine, take the steps in Figs. 12 and 13.
Fig. 12
Protrude Spring guide from Pipe holder A with Screwdriver
Pipe holder A
Screwdriver
Spring guide | Spring guide to be |
| protruded from |
| Pipe holder A |
Fig. 13
Tighten M6x25 Hex socket head bolt designated with black arrow in order to align Insertion hole for Pipe holder support with Insertion hole for Pipe holder A. Then tighten the other M6x25 M6x25 Hex socket head bolts (3pcs.).
M6x25 Hex socket |
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head bolt | Protrusion as distinction |
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| of the direction of Barrel. |
| Insertion hole |
| for Pipe holder A |
| Insertion hole |
| for Pipe holder |
| support |
(3)Insert Pipe holder supports of Active dynamic vibration absorbers to holes on Barrel and Crank housing. (Fig. 14.) And push Active dynamic vibration absorbers parallel to the machine so as to pass the protrusion of Spring guides through the holes of Crank housing. (Refer to Figs. 12 and 10.)
Fig. 14
Barrel | Crank cap side | Active dynamic |
| vibration absorbers |
Connector of
Pipe holder support Note: Do not insert Pipe holder supports as illustrated above.
