Reassembling The Oil Pump; Reinstall The Discharge Valve - Nanni T4.155 Workshop Manual

60300140( )
indice A
C. Verify the rotor side clearance
Use a set of thickness shims and a ground precision rule to measure
the side clearance between the rotor and the ground precision rule.
Nominal side clearance:
0.030 – 0.090 mm
Limit side clearance:
0.15 mm
Replace rotors if the clearance recorded is greater than the indicated
limit. If necessary, replace the complete oil pump.

REASSEMBLING THE OIL PUMP

(Refer to component part illustration for removal and
reinstallation)

1. REINSTALL THE DISCHARGE VALVE

a. Put the discharge valve and the spring in the assembly
opening of the timing casing.
b. Reinstall a new gasket and threaded cap.
c.
Recommended tightening torque:
42 N.m (425 kgf.cm)
2.
REINSTALL THE DRIVING AND DRIVEN ROTORS
4 CYLINDERS WORKSHOP MANUAL 149/191