P 15/ 17
Repair
[3]DISASSEMBLY/ASSEMBLY
[3]-10. Fastening torque
Fasten the following bolts to the specific fastening torque.
Item No. | Description | Q’ty Fastening torque | Use for | ||
25 | M6 x 25 Hex socket head bolt | 4 | 7.8 - 11.7 N.m | Fastening Barrel to Crank housing complete | |
42 | M5 x 25 Hex socket head bolt | 1 | 2.9 - 3.4 N.m | Fastening Housing cover to Barrel | |
Fig. A | Housing cover | Barrel | 25 | ||
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| Crank housing complete |
| 42 |
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| 25 |
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[4] MAINTENANCE PROGRAM
Replacing the following parts is recommended when Carbon brush is replaced.
Wipe off the old grease in the machine, and then apply the fresh grease in accordance with [2] LUBRICATIONS.
Fig. B |
| 1 |
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| Item No. | Description |
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| 1 | Tool holder cap | |
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| 3 |
| 7 | Tool retainer |
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| 7 | 20 | O ring 23 | |
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| Chuck cover |
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| 51 | O ring 26 |
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| 19 | 3 | Ring spring 25 |
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| Tool holder |
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| 19 | Fluoride ring 28 |
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| O ring 24 | |
Barrel |
| 7 |
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| 31 50 | |
31 |
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| 20 |
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| Impact bolt |
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| Striker | 50 |
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| 51 |
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| Cylinder 32 |
| Piston |
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