WORKSHOP MANUAL - lombardini service
WORKSHOP MANUAL - lombardini service
WORKSHOP MANUAL - lombardini service
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4<br />
Disassembly / Reassembly<br />
OIL PUMP<br />
Oil pump - disassembly<br />
The FOCS oil pump is supplied as an assembly. Lombardini<br />
therefore recommends that the oil pump be handled as an assembly<br />
from a <strong>service</strong> standpoint<br />
Lombardini does not recommend that the oil pump be disassembled,<br />
then reassembled for purposes of installation on the engine except<br />
during emergency situations.<br />
35<br />
Rotate the crankshaft until the crankshaft timing pulley keyway is<br />
vertical as shown. Remove the oil pump assembly retaining bolts.<br />
When the crankshaft timing pulley keyway is vertical, the oil pump<br />
drive keyway A will be at 3:00 o’clock allowing removal of the oil<br />
pump assembly via relief B.<br />
Oil pump - Reassembly<br />
The pump rotors should be coupled on the same side, see<br />
references 2 and 3.<br />
Replace the O-ring 1.<br />
Tighten the fastening screws to the crankcase at 25 Nm and those<br />
of the plate at 10 Nm.<br />
See page 55 for technical details.<br />
36<br />
1<br />
2<br />
3<br />
ROCKER ARM COVER<br />
The engine control components are all on the cylinder head.<br />
The cover contains part of the lubrication duct of the camshaft and<br />
of the rocker arms, as well as part of the engine vent system.<br />
Components:<br />
5<br />
4<br />
1 Oil preassure switch<br />
2 Camshaft lubrification port<br />
3 Rocker arm lubrification port<br />
4 Oil exhaust hose from sump vent system<br />
5 Air valve with oil decanting wire gauze<br />
37 38<br />
Note: During remounting be careful with oil exhaust hose 4 that<br />
needs to be properly inserted into its housing on the cylinder<br />
head.<br />
- 32 - FOCS Workshop Manual_cod. 1.5302.858_1° ed_ rev. 00
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