P 11/ 20
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-4. Bearing box section, Crank housing section
DISASSEMBLING
Fig. 23
Filter case cover and Filter case (Re: Fig. 20) can be disassembled.
O ring 18
Filter case
Filter
O ring 45
Filter case cover
Fig. 24
O ring 72 and O ring 14 can be removed from Bearing box complete and Grease cap
Bearing box complete
Grease cap
O ring 14
O ring 71
(6)In the step of Fig. 21 (after removing Bearing box complete), Piston can be disassembled from Crank housing complete as illustrated in Fig. 25.
Fig. 25
Align Piston, Connecting rod and Crank shaft on their center line by turning Crank shaft, .
Piston can be removed from Crank housing complete together with Connecting rod.
| Crank shaft |
Piston | Piston |
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Connecting rod | Connecting rod | Crank housing complete |
(7) Crank shaft section can be disassembled as illustrated in Fig. 26.
Fig. 26
To stabilize Crank housing during | Helical gear 52 and Crank | Apply 1R247 to Ball bearing | |||
disassembly, put it onto 1R217. | shaft section are disassembled | 6203LLU from Bearing box | |||
And apply 1R246 to Crank shaft | as illustrated below. | complete side, and press down | |||
and press down Crank shaft. |
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| Ball bearing 6203LLU. | |
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| Ball bearing | Helical gear 52 |
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| 1R246 | 6203LLB |
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| 1R247 |
Crank housing | Crank Shaft |
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complete |
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| Ball bearing |
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| 6304LLU |
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1R217 |
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| Crank Shaft | Oil seal 20 | |
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| Ball bearing 6203LLB | ||