Volvo Penta D65A MS Workshop Manual page 29

Maintenance Standards
Camshaft
Cam lift (A-B), mm [in.]
Nominal Value ........... 9.247 [0.36405]
Assembly Standard ... 9.197 to 9.297 [0.36209 to 0.36602]
Service Limit ............. 8.45 [0.3327]
Deflection, mm [in.]
Assembly Standard ... 0.05 [0.0020] or less
Repair Limit ............... 0.08 [0.0031]
NOTE! Deflection at center bushing measured with both ends supported. Repair or replace, if necessary.
Journal diameter, mm [in.]
Nominal Value ........... Ø84 [3.31]
Assembly Standard ... 83.92 to 83.94 [3.3039 to 3.3047]
Service Limit ............. 83.87 [3.3020]
Camshaft bushing inside diameter (as installed in crank case), mm [in.]
Nominal Value ........... Ø84 [3.31]
Assembly Standard ... 84.00 to 84.035 [3.30708 to 3.30846]
Service Limit ............. 84.10 [3.3110]
NOTE! Replace bushings and ream them, if necessary
End play, mm [in.]
Nominal Value ........... 8 [0.3]
Assembly Standard ... 0.10 to 0.25 [0.0039 to 0.0098]
Service Limit ............. 0.40 [0.0157])
NOTE! Replace thrust bearing, if necessary.
Crankshaft
Crankpin diameter, mm [in.]
Nominal Value ........... Ø125 [4.92]
Assembly Standard ... -0.050 – -0.070 [0.00197 – -0.00276]
Repair Limit ............... -0.110 [-0.00433]
Crankpin journal diameter, mm [in.]
Nominal Value ........... Ø170 [6.69]
Assembly Standard ... -0.060 – -0.080 [0.00236 – -0.00315]
Repair Limit ............... -0.110 [-0.00433]
Journal and crankpin center to center distance, mm [in.]
Nominal Value ........... 90 [3.54]
Assembly Standard ... ±0.1 [±0.004]
Parallelism between journals and crankpins, mm [in.]
Assembly Standard ... 0.01 [0.0004] or less at pin length
Repair Limit ............... 0.03 [0.0012]
Roundness of journals and crankpins, mm [in.]
Assembly Standard ... 0.01 [0.0004] or less in diameters
Repair Limit ............... 0.03 [0.0012]
Cylindricity of journals and crankpins, mm [in.]
Assembly Standard ... 0.02 [0.0008] or less in diameters
Repair Limit ............... 0.03 [0.0012]
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