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Yanmar YM155 - Page 46

Yanmar YM155
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NOTES:
(I)
After conducting the measurements given in Irem I above, be sure to mensure the
clearance
between the crank pin bearings and the crank pin. (Refer to Item 5 in the sec-
tion on measurements on the connecting rods for
the prescribed dimensions).
(2)
If, after measuring the crankshaft for deflection, it is found that machining of the
crankshnfr
is
necessmy, do not forget to adjust the filler sections of the crank pins a.fter
the machining
is
completed. Measure the deflection by placing the crankshafi on a
supporting
stand
(3)
Irem 5
will
be the difference between Item 2 and Item
4
obtained through mea-
surements
(4)
Measuring of end play is conducted after the crankshaft has been fined into posi-
tion as prescribed
(5)
The roundness of the main bushings is checked by measuring the inner diameter
in
two directions at right a@es to each other and comparing the two readings obtained.

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