Page 18 - MMV- TP- Hindi
P. 18

end bearing, connecting rod with the Description & function of connecting
                                                piston. (5 Hrs)                     rod,  importance  of  big- end  split
                                                                                    obliquely,  Materials  used  for
                                             43 Practice on removing the piston rings;
                                                Dismantle the piston and connecting rod.  connecting  rods  big  end  &  main
                                                Check the side clearance of piston rings  bearings.  Shells  piston  pins  and
                                                in the piston groove & lands for wear.  locking methods of piston pins. (04
                                                Check piston skirt and crown for damage  hrs)
                                                and scuffing, clean oil holes. (5 Hrs)  Description and function of Crank
                                                                                    shaft,  camshaft,  Engine  bearings-
                                             44 Measure -the piston ring close gap in  classification and location - materials
                                                the  cylinder,  clearance  between  the  used  &  composition  of  bearing
                                                piston and the liner, clearance between  materials- Shell  bearing and their
                                                crank pin and the connecting rod big end  advantages-  special  bearings
                                                bearing. (5 Hrs)
                                                                                    material for diesel engine application
                                             45 Check connecting rod for bend and twist. bearing failure & its causes-care &
                                                Assemble the piston and connecting rod maintenance. Crank-shaft balancing,
                                                assembly. (5 Hrs)                   Firing order of the engine. (08 hrs)
                                             46.Carryout Overhauling of crankshaft by
                                                referring service manual for clearance
                                                and other parameters. (15 Hrs)
                                             47 Practice on  removing damper pulley,
                                                timing gear/timing chain, flywheel, main
                                                bearing  caps,  bearing  shells  and
                                                crankshaft  from  engine  checking  oil
                                                retainer and thrust surfaces for wear.(15
                                                Hrs)
                                             48  Measure crank shaft journal for wear,
                                                taper and ovality, Checking crankshaft
                                                for fillet radii, bend & twist. (10 Hrs)
                                             49 Perform  Checking  of  flywheel  and
                                                mounting flanges, spigot, bearing. (10
                                                Hrs)

                                             50 Check  vibration  damper for  defects,  Description  and  function  of the  fly
                                                Practice on removing cam shaft from  wheel and vibration damper. Crank
                                                engine block, Check for bend & twist of  case & oil pump, gears timing mark,
                                                camshaft.     (10 Hrs)             Chain sprockets, chain tensioner etc.
                                                                                   Function of clutch  & coupling units
                                             51 Perform  Inspection  of  cam  lobe,
                                                camshaft journals  and  bearings  and  attached to flywheel. (08 hrs)
                                                measure cam lobe lift. (10 Hrs)
                                             52 Practice Fixing bearing inserts in cylinder
                                                block  &  cap  check  nip  and  spread
                                                clearance & oil holes & locating lugs fix
                                                crank shaft on block-torque bolts - check
                                                end play remove shaft - check seating,
                                                repeat similarly for connecting rod and
                                                Check seating and refit. (15 Hrs)

                                             53 Practice  Cleaning  and  Checking  of  Description of Cylinder block, Cylinder
                                                cylinder blocks. (10 Hrs)           block construction, and Different type
                                                                                    of Cylinder sleeves (liner). (04 hrs)
                                             54 Check cylinder blocks Surface flatness
                                                visually. (05 Hrs)
                                             55 Measure cylinder bore for taper & ovality,
                                                clean oil gallery passage and oil pipe
                                                line, Bore - descale water passages. (10
                                                Hrs)


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