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ENGINE2.2LDICOR
Fig 115
l
Loosen main bearing cap mounting bolt, using a
feeler gauge measure pre-tension of main bearing
shell. (As the main bearing caps are guided, the
measurement has to be done on a flat surface and
not on cylinder block. (Fig.114)
l
MAIN BEARING SHELLS ARE PRECISION
FINISHEDAND SHOULD NOT BE BORED OR
SCRAPPED.
l
Select new pair of thrust washer according to
crank shaft 4th main journal width.
Prentension Gap : 0.06 to 0.09mm
1
2
3
surface plate
1) bolt tightened
2) bolt loosened
3) pre-tension gap
Fig.114
Cylinder bores
l
Clean cylinder bores thoroughly
l
Check cylinder bore dimension, taper and ovality.
(Fig 115)
l
If taper and ovality is found to exceed specified
limit or bore is excessively worn out then replace
liners.
l
Record the readings in Engine inspection sheet
no. 2 given in this manual.