Inspection And Repair - Volvo Penta D65A MS Workshop Manual

Group 21 Engine Body
120
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Inspection and Repair

Flywheel face and radial runouts
Measure the runouts of the flywheel installed on the
crankshaft. If the runouts exceed the assembly stan-
dard, check for loose bolts or obstacles lodged be-
tween the mounting faces of the flywheel and crank-
shaft.
Flywheel face runout, mm [in]
Assembly standard ... 0.336 [0.0132] max.
Flywheel radial runout, mm [in]
Assembly standard ... 0.13 [0.0051] max.
Injection pump drive and bearing
1. Measure inside and outside diameters of bearing-
fitted sections of injection pump drive.
2. Check bearings, drive shaft, and oil seal. Replace
if not running smoothly or if otherwise defective.
3. Check the fit of the drive shaft in the bearing and
the fit of the bearing in the drive case. Replace
excessively worn parts.
Bearing outside diameter, mm [in]
Nominal value ........... Ø90 [3.54]
Assembly standard ... 89.985–90.000 [3.54272]
Bearing outside diameter, mm [in]
Nominal value ........... Ø100 [3.94]
Assembly standard ... 99.985–100.000 [3.93642–3.93701]
Bearing inside diameter, mm [in]
Nominal value ........... Ø45 [1.77]
Assembly standard ... 44.988–45.000 [1.77118–1.77165]
Bearing inside diameter, mm [in]
Nominal value ........... Ø50 [1.97]
Assembly standard ... 9.988–50.000 [1.96803–1.96850]
Drive shaft bearing diameter, mm [in]
Nominal value ........... Ø45 [1.77]
Assembly standard ... 45.002–45.013 [1.77173–1.77216]
Drive shaft bearing diameter, mm [in]
Nominal value ........... Ø50 [1.97]
Assembly standard ... 50.002–50.013 [1.96858–1.96901]