P 15/ 25
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-6. Impact bolt in Torque limiter section (cont.)
ASSEMBLING
(1) Assemble Impact bolt section to Tool holder (guide) complete as drawn in Fig. 44A/ 44B.
Fig. 44A
Impact bolt section in Tool holder complete for BHR242
Tool holder complete
Bit installation side
Note: These components are directional.
Sleeve 9B | Washer 10 Compression | O ring case B with |
Impact bolt A | spring 20 | O ring 9 fit inside |
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| Inner housing side |
ø9mm ø9.5mm
Fig. 44B
Impact bolt section in Tool holder guide complete for BHR243
Tool holder guide complete | Washer 10 |
Impact bolt B
Bit installation side
long short Note: These components
are directional.
Compression | O ring case B with |
spring 20 | O ring 9 fit inside |
| Inner housing side |
(2)Push Ring spring 28 into the inner groove of Tool holder (guide) complete as drawn in Fig. 45. Note: Do not reuse the removed Ring spring 28 if it is deformed or damaged.
Fig. 45
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| Note: 1. Use an extra Piston cylinder as a jig. Never use Piston cylinder that is |
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| to be assembled to the machine. |
Piston cylinder |
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| 2. The end gap of Ring spring 28 must not be placed at the two holes of |
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as a jig |
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| Tool holder (guide) complete. |
end gap Ring spring 28
Tool holder (guide) | Note: 1 | |
hole | ||
complete | Piston cylinder as a jig | |
hole | Inner groove of | |
Tool holder (guide) | ||
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| complete |
Note: 2 | [Correct] | [Wrong] | Ring spring 28 | O ring case B |
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Tool holder Guide) |
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complete |
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Ring spring 28 |
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end gap |
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