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ENGINE

85

10.Main bearing shells are precision finished and

should not be bored or scrapped.

11.Select new pair of thrust washer according to

crank shaft 4th main journal width.

12.Pretension Gap: 0.06 to 0.09mm

CYLINDER BORES

1. Clean cylinder bores thoroughly

2. Check cylinder bore dimension, taper and ovality.

3. Refer the Repair Data and select the appropriate

piston which can give the specified piston bore

clearance.

NOTE

The cylinder bore has to be bored and honed to the

specified dimensions as per recommendations in

order to achieve the specified piston bore clearance

using appropriate piston size.

4. If taper and ovality is found to exceed specified

limit or bore is excessively worn out such that

the piston bore clearance cannot be achieved

even by using the last oversize, then replace cyl-

inder block assembly.

5. Record the readings in Engine inspection sheet

given in this manual.

ASSEMBLIES OF CYLINDER BLOCK SUB AS-

SEMBLIES:

1. Assemble all piston cooling nozzles.

2. Install main bearing shell.