Daewoo ST Series Betriebsanleitung Seite 76

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Seitenansicht 75
* Undersize bearings available
Standard
0.25 (Inside diameter is 0.25 mm lesser than the standard size.)
0.50 (Inside diameter is 0.50 mm lesser than the standard size.)
0.75 (Inside diameter is 0.75 mm lesser than the standard size.)
1.00 (Inside diameter is 1.00 mm lesser than the standard size.)
Undersize bearings are available in 4 different sizes as indicated above, and the
crankshaft can be reground to the above sizes.
Note : When regrinding the crankshaft
as described above, the fillet
section ‘R’ should be finished
correctly. Avoid sharp corners or
insufficient fillet.
* Standard values of ‘R’
Crank Pin ‘R’ : 4.5
-0.2
Crank journal ‘R’ : 4
-0.2
3) Crankshaft run-out
Support the crankshaft on V blocks.
Turn the crankshaft with a dial
indicator placed on the surface plate
and measure the amount of
crankshaft run-out.
- 73 -
Standard Limit
Journal
83.966 ~ 83.988 83.000 mm
diameter
Pin
70.971 ~ 70.990 70.000 mm
diameter
B B
B
A
A
B
EFM2047I
" R "
" R "
" R "
" R "
EFM2048I
" R "
Normal Poor Poor
1
2
0
0
Standard Limit
0.05 mm 0.1 mm
Seitenansicht 75
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