NEXON BS VI - SERVICE MANUAL

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1.5L REVOTORQ BS VI ENGINE

153

13.Measure twist and bend of connecting rod with

feeler gauge with respect to vertical face of the

connecting rod alignment gauge in vertical and

horizontal plane at a distance of 50 mm from

line joining centers of connecting rod small end

and big end bosses.

14.Check connecting rod big end parent bore

dimension.

connecting rod big end parent bore is slightly

more than maximum permissible limits, it is

possible to reclaim the connecting rod provided

the wear is confined only to connecting rod

bearing cap. In such cases the connecting rod

bearing cap mating surface can be slightly

faced. The parent bore should then be finished

on a connecting rod boring machine.

16.Ensure that the connecting rod big end and

small end axis are parallel to each other within

the specified limits. Centre to centre distance

between connecting rod small end and big end

is maintained within specified limits.

one or more connecting rods are to be

replaced, ensure that difference in weight of

connecting rod in one engine is within

permissible limits.

18.Install new pair of connecting rod bearing shell

according to size of crank pin journal diameter,

making sure that securing lugs of bearing shells

are properly seated in grooves of connecting

rod and its bearing cap.

NOTE

Lower

and

upper

bearings

are

not

interchangeable.

19.Install connecting rod bearing cap with bearing

shell on connecting rod. Tighten connecting rod

bearing cap mtg. bolts to specified torque.

20.Measure connecting rod bearing bore. Record

the readings in the format given in this manual.

connecting rod big end parent bore dimension

is maintained within specified limits, proper

bearing bore dimension is automatically

achieved.

22.However, it must be physically measured and

confirmed. Measure pretension of connecting

rod bearing shell with a feeler gauge after

loosening connecting rod bearing cap mounting

bolt on opposite side of bearing shell lug.

NOTE

Connecting rod bearing shells are precision

finished and should not be bored or scraped.