Tightening Torques Requirements - Westerbeke 9.0 BCG Technical Manual

TIGHTENING TORQUE REQUIREMENTS
Lb-ft Kg-m
Cylinder head to cylinder block
BGG4.0KW 28.9 -39.8 4.0 - 5.0
BCG 6.5KW and BTG 9.0KW 36.2 -43.4 5.0 - 6.0
Crankshaft pulley to crankshaft
BGG 4.0KW 36.2 - 43.4
5.0 - 6.0
BGG 6.5KW and BTG 9.0KW 65.2 -72.4
9.0 - 10.0
Manifold to cylinder head
BGG4.0KW 10.8-18.1 1.5 - 2.5
BGG 6.5KW and BTG 9.0KW 7.2 -11.6 1.0 - 1.6
Main bearing caps to cylinder block
BGG4.0KW 34.0 - 42.7 4.7 -5.9
BGG 6.5KW and BTG 9.0KW 39.1-47.7 5.4 - 6.6
Connecting rod bearing caps to connecting rod 15.2 - 21.0 2.1 - 2.9
Balance shaft thrust plate
BGG4.0KW 3.6 -7.2 0.5 -1.0
BGG 6.5KW and BTG 9.0KW 7.2 -10.8 1.0 -1.5
Spark plug to cylinder head
BGG4.0KW 13.1 -17.4
1.8 - 2.4
BGG 6.5KW and BTG 9.0KW 10.8 - 15.9 1.5 - 2.2
Rocker cover to cylinder head
BGG4.0KW 5.1 - 9.4 0.7 -1.3
BGG 6.5KW and BTG 9.0KW 5.8 - 8.7 0.8 -1.2
Flywheel to crankshaft 28.9 - 36.2
4.0 - 5.0
Timing belt cover to cylinder head
All
Engines 1.4 - 2.9
0.2 - 0.4
Timing belt cover to cylinder block
All
Engines 7.2 -11.6 1.0 - 1.6
Valve adjusting screw locknut
All
Engines 9.4 -13.0 1.3-1.8
Camshaft timing belt pulley to camshaft 21.7 - 32.5 3.0 - 4.5
Fuel pump drive cam to camshaft
(BeG 6.5KW and BTG 9.0KW
ONL
y)
7.2 -10.8
1.0 -1.5
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Westerbeke Generators