13
SC213 Diesel Engines
NOTE: When regrinding the crank pin length should not exceed 1.5748 inch (40.00 mm) and the rear main
journal length should not exceed 1.8610 inch (47.27 mm) and Nos.2 and 4 main Journals width should not exceed
1.2275 inch (31.1785 mm) maximum. The maximum permissible undersize is 0.0299 inch (0.76 mm)
Crankshaft Thrust Washers
Type … Steel Back - Low carbon steel - 1.8 mm incl.
Aluminium Tin (or) Copper Lead
Position in engine … Cylinder Block Centre Main Bearing Housing
Thickness-Standard Size … 0.105 / 0.107 inch (2.67 / 2.72 mm)
Thickness-Oversize … 0.1283 / 0.1303 inch (3.26 / 3.31 mm)
NOTE : While locating the Thrust Washers ensure that the plain surface/Steel back is towards the block and the rear
main bearing cap.
Main Bearings
Type … Pre-finished. Steel Back low carbon steel.
AluminiumTin Silicon or Copper Lead
Inside Dia. (fitted) … 2.362 / 2.363 inch (60.02 / 60.03 mm)
Running clearance … 0.0015 / 0.003 inch (0.04 / 0.079 mm)
Recommended size in service … 0.010” (0.25 mm) ;0.020” (0.51 mm) ;0.030” (0.76 mm)
Camshaft
Type … Chilled cast iron
No. 1 Journal Dia. … 1.927 / 1.928 inch (48.95 / 48.975 mm)
No. 2 Journal Dia. … 1.927 / 1.928 inch (48.95 / 48.975 mm)
No. 3 Journal Dia … 1.927 / 1.928 inch (48.95 / 48.975 mm)
Running Clearance – All Camshaft Journals … 0.002 / 0.004 inch (0.05 / 0.10 mm)
Oil way for cam shaft lubrication … From main oil gallary to centre cam journal
Cam Lift - Inlet … 0.393 inch (10 mm)
- Exhaust … 0.393 inch (10 mm)
Camshaft end float … 0.004 / 0.014 inch (0.10 / 0.35 mm)
Cylinder Head
Cylinder head total height … 4.410 inch (112 mm)
Leak Test … 4 Bar for 1 minute
Valve seat angle … Inlet 45° / Exhaust 45°
Permissible cylinder head bow
Transverse and Longitudinal … 0.001 / 0.002 inch (0.03 / 0.05 mm)
Valve Layout ... E, I, E, I
NOTE : Valve stem seal (with Sintered metal insert) is fitted in both inlet and exhaust valves.
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