103
Chapter XI. Cylinder block
Examination
day off
inlet for
compressed air
air hole
(a) If the crankshaft sprocket cannot be removed by hand, use
two screwdrivers as levers on both sides at the same time.
7. Check piston cooling oil jet.
Advice:
(a) Use compressed air to check that the nozzle is not clogged.
Replace if necessary;
ÿ Wrap the screwdrivers with protective material to prevent
damage to the crankshaft or sprocket.
(b) Check that the injector tube bend angle is correct.
6. Using a hex socket wrench, remove the piston cooling oil
jet.
8. Check crankshaft and main bearing shells
5. Remove the sprocket from the crankshaft
(a) Clean crankshaft and main bearing shells, check
crankshaft journals and main bearing shells for wear and
deep scratches. If so, replace the crankshaft or main
bearing shells.
Machine Translated by Google
To Next Page