Disassembly:
– Disengage the control rod catch 1 with a screwdriver from the accelerator control rod 2.
– Disconnect the accelerator control rod 2 from the accelerator control lever 3.
– Disconnect the thermovalve – vacuum pump connection pipes (7, fig. 8) and vacuum valve – thermovalve connection pipe (8, fig. 8) from the thermovalve.
– Unscrew the two fastening screws 5 that fix the E.G.R. pipe 6 to the E.G.R. valve 4 (figures 10, 11 and 12).
– Remove the intake manifold. See “Intake manifold – Remote air filter” on page 39 (Figure 7).
– Unscrew the fastening screw of the E.G.R. pipe support bracket (9, fig. 10) from the engine crankcase and disengage the E.G.R. pipe from the exhaust manifold.
Reassembly:
When reassembling pay attention to the repositioning of the gaskets and to the precise connection of the pipes (6, 7, 8, 9, fig. 8).
These pipes should be carefully fitted on the appropriate connections.