Manuale Officina LGW 523-627 - lombardini service

4Disassembly / ReassemblyAir filter supportThe support for air filter 1 incorporates the intake manifold and theaccelerator control box.Remove all bolts that secure the air filter support 1 to the cylinderhead. Carefully pull the air filter support from the cylinder head.Using suitable pliers, release the governor spring 2 from the air filtersupport assembly.Replace the gasket 3.5 6Intake manifold – Remote air filter212- Unscrew the the fastening screws (1) that fix the intake duct tothe intake manifold unit.- Unscrew the two fastening screws (2) of the intake manifold fromthe engine crankcase.- Lift the intake manifold and disengage the hook of the min/maxcylinder from the same manifold (fig. 212).7122E.G.R. Circuit41Components:652710128111. Exhaust manifold2. E.G.R. Pipe3. E.G.R. Valve4. Vacuum pump5. Three way union6. Vacuum pump pipe7. Thermovalve – vacuum pumpconnection pipe8. Vacuum valve – thermovalveconnection pipe9. Vacuum valve - E.G.R. connectionpipe10. Thermovalve11. Vacuum valve12. ON-OFF sensor control cam13. Intake duct13398- 30 - FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06