Lombardini LDW 1204/T - E.G.R. Circuit

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FOCS Workshop Manual_cod. 1.5302.351_7° ed_ rev. 06
5
6
8
7
4
1
1
2
2
2
2
1
4
2
7
6
5
13
10
3
9
8
11
12
Air filter support
The support for air filter 1 incorporates the intake manifold and the
accelerator control box.
Remove all bolts that secure the air filter support 1 to the cylinder
head. Carefully pull the air filter support from the cylinder head.
Using suitable pliers, release the governor spring 2 from the air filter
support assembly.
Replace the gasket 3.
Components:
1. Exhaust manifold
2. E.G.R. Pipe
3. E.G.R. Valve
4. Vacuum pump
5. Three way union
6. Vacuum pump pipe
7. Thermovalve – vacuum pump
connection pipe
8. Vacuum valve – thermovalve
connection pipe
9. Vacuum valve - E.G.R. connection
pipe
10. Thermovalve
11. Vacuum valve
12. ON-OFF sensor control cam
13. Intake duct
Intake manifold – Remote air filter
- Unscrew the the fastening screws (1) that fix the intake duct to
the intake manifold unit.
-Unscrew the two fastening screws (2) of the intake manifold from
the engine crankcase.
-Lift the intake manifold and disengage the hook of the min/max
cylinder from the same manifold (fig. 212).
Disassembly / Reassembly
E.G.R. Circuit