Nanni T4.155 seriers, Workshop Manual

Page: 187 / 191

60300140 (
indice A
) 4 CYLINDERS WORKSHOP MANUAL 187/191
4. REINSTALL THE CRANKSHAFT ON THE
CYLINDER BLOCK
5. REINSTALL THE THRUST BEARING BUSHES
a. Push the crankshaft forward (backward).
b. Reinstall the two stop bushes under the crankshaft No.5
bearing cap on the cylinder block, taking care to orient the
lubrication grooves towards the outside.
6. REINSTALL THE CRANKSHAFT BEARING
CAPS AND THE LOWER THRUST BEARING
BUSHES
A) Reinstall the crankshaft bearing caps and the
lower stop bushes on the cylinder block.
a. Reinstall the two stop bushes on the crankshaft No.5 bearing
cap, taking care to orient the lubrication grooves towards the
outside.
b. Reinstall the five bearing caps in their appropriate positions.
ADVICE: Each bearing cap is identified by a number and
a front mark.
B) Reinstall the bearing cap assembly bolts.
ADVICE:
* The crankshaft bearing cap assembly bolts are tightened
in two gradual stages (stages (b) and (d)).
* Replace the crankshaft bearing cap assembly bolts,
which are broken or deformed.