Nanni T4.155 seriers, Workshop Manual

Page: 86 / 191

60300140 (
indice A
) 4 CYLINDERS WORKSHOP MANUAL 86/191
B. Reinstall the bearing
Use the special maintenance tool SST and a press to fit the
bearing.
4 . CHECK THE REACTIVE CLEARANCE OF
THE TIMING TOOTHED WHEEL TEETH
Install the dial gauge to measure the teething reactive clearance
between each toothed wheel of the timing.
Nominal teething reactive clearance: 0.02 – 0.15 mm
Teething reactive clearance limits:
0.20 mm
Replace the timing toothed wheel assembly by a matched assembly if
the recorded clearance is greater than the limits stipulated in
specifications.