Wednesday, December 16, 2015

Breakdown Maintenance

Breakdown Maintenance :


                     It is done on a trouble auto vehicle when it arrives at garage.

                       The first work is measure the defect & how to rectify it. If the repairing of component to their safe limits is not possible they are replaced. Method of trouble shooting are discussed for main types of defects:

                     1. Cylinder head bolts tightening sequence.

                      2. Cylinder block reboring & oversized piston.
                            D= P+C -H
            Where,
                         D= Cylinder bore diameter after boring
                         P= oversized piston diameter
                         C=Clearance (0.03 to 0.065)
                         H= Allowance for having (0.03 mm or less)

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