5 - 4 MOW TO REASSEMBLE
0 Precaution in reassembling |
|
|
|
Every andeachpartshouldbe cleaned thoroughly. Especially, payutmost care andattentiontothe clean- | 7 | ||
liness of the piston, cylinder, crankshaft, connecting rod and bearings. |
| ||
Scrapecompletelyoffcarbonsfrom | the cylinderheadand the upper part of the piston; especially the |
| |
carbon adhered in the groove of the piston ring should be carefully and completely taken out. |
| ||
Carefully check the lip portion of every oil seal. If faulty one is found, replace it without any hesitation. |
| ||
Apply enough oil to thelip portion of the oil seal when reassembling. |
| ||
Replace all the gaskets with new ones. |
|
| |
Replace the key, pin, bolt, nuts, etcwith. new one, if necessary. |
| ||
Whenever tightening torque is specified, conform to the specified figures. |
| ||
Apply oil to therevolutionary parts and friction surfaces, when reassembling. |
| ||
Check and adjust the clearances of various portions and thenreassemble. |
| ||
When some main portions are assembled in the course of reassembling, turn or move the gadgets by hand |
| ||
and pay attention to thefrictional noise and resistance. |
| ||
~Sequesnceand precautionsin reassembling | r |
|
5-4- 1 CRANKSHAFT
1)Fit the oilseal guide onto the end of the crank-
shaft,andinsertthecrankshaft intothe crank- case as shown in Fig. 21.
Note: In case of not using the oil seal guide, be careful not to damage the oil seal lip.
2)Put woodruff key (for magneto) in place.
Fig. 21
- l a -