Page 16 - MMV 1st Year - TT - Telugu

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; connecting rods big end & main
Dismantle the piston and connecting rod. bearings. Shells piston pins and
Check the side clearance of piston rings locking methods of piston pins. (04
in the piston groove & lands for wear. hrs)
Check piston skirt and crown for damage
and scuffing, clean oil holes. (5 Hrs) Description and function of Crank
shaft, camshaft, Engine bearings-
44 Measure -the piston ring close gap in
the cylinder, clearance between the classification and location - materials
piston and the liner, clearance between used & composition of bearing
crank pin and the connecting rod big end materials- Shell bearing and their
bearing. (5 Hrs) advantages- special bearings
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)

(xiv)