Simpsons SC213 - MANUFACTURING DATA AND DIMENSIONS

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SC213 Diesel Engines
MANUFACTURING DATA AND DIMENSIONS
The following data of clearances and tolerances are given as a guide for personnel engaged in major overhauls and the
figures are those used in the factory for production purposes.
Cylinder Block
Height of cylinder block (Top to bottom faces) … 12.498 / 12.501 inch (317.45 / 317.55 mm)
Parent bore dia. for Cylinder Liner … 3.740 / 3.741 inch (95.00 / 95.02 mm)
Main bearing parent bore … 2.440 / 2.442 inch (62.00 / 62.03 mm)
No. 1 Bore for Camshaft … 1.930 / 1.931 inch (49.025 / 49.050 mm)
No. 2 Bore for Camshaft … 1.939 / 1.949 inch (49.25 / 49.50 mm)
No. 3 Bore for Camshaft … 1.939 / 1.949 inch (49.25 / 49.50 mm)
Balancer Shaft Bore Dia 1 and 2 ... 1.023 / 1.024 inch (26.00 / 26.02 mm)
Pistons :
Type … Aluminum alloy Piston with re-entrant bowl.
Offset of combustion bowl in piston crown should
be on the FI Pump side while assembling piston in
engine. An arrow mark is stamped on piston top
surface for identification. Arrow should face front of
Engine.
Piston Height in relation to cyl. block top face … 0.0138 inch (0.35 mm) - Above block surface /
0.002 inch ( 0.05 mm) - Below block surface
Bore Dia. for Gudgeon Pin … 1.1025 / 1.1027 inch (28.005 / 28.01) mm
Top ring Groove Width … 0.102 / 0.103 inch (2.59 / 2.61 mm)
2nd ring Groove Width … 0.1 / 0.100 inch (2.54 / 2.56 mm)
3rd ring Groove Width … 0.119 / 0.120 inch (3.03 / 3.05 mm)
Piston Rings
Top Compression … Chromium inlaid, cast iron ring)
2nd Compression … Cast Iron. Taper land
3rd Oil Control … Conformable oil control ring
Piston Ring Width
Top and 2nd ring width ... 0.097 / 0.098 inch (2.47 / 2.49 mm)
3rd ring width … 0.117 / 0.118 inch (2.97 / 2.99 mm)
Ring clearance in Piston Groove :
Top ring clearance in Groove … 0.0039 / 0.0055 inch ( 0.10 / 0.14 mm)
2nd ring clearance in Groove … 0.0019 / 0.0035 inch (0.05 / 0.09 mm)
3rd ring clearance in Groove … 0.0015 / 0.0031 inch (0.04 / 0.08 mm)
Ring Gaps
Ring Gap – Top … 0.012 / 0.020 inch (0.30 / 0.50 mm)
Ring Gap – 2nd … 0.025 / 0.037 inch (0.65 / 0.95 mm)
Ring Gap – 3rd … 0.010 / 0.018 inch (0.25 / 0.45 mm)