Removal and installation of injection valves

Tightening torques (reference values)

Nm

Injection lines to fuel distributor

10-12

Injection lines to injection valves

10-15

1    Remove air cleaner.

2   Unscrew injection lines from injection valves and on fuel distributor. When loosening injection lines, apply counterhold to injection valves.

3 Loosen fastening nuts and remove fastening bridges.

For removing injection valves from cylinder 5, remove 6 pressure dampers.

When removing fastening bridges, apply counterhold to injection valves, so that injection valves and insulating sleeves are not pulled out at the same time.

4 Pull out injection valves while applying counter­hold to insulating sleeves (2). If the insulating sleeves are pulled out, install new O-rings (1).

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5   Install injection valves in vice versa sequence. For this purpose, transfer rubber sealing rings (3) or re­place, if required.

Install fastening bridges in such a manner that the lugs are at the left.

Note: Mount pulled-out insulating sleeves with new O-rings.

6   Connect injection lines while paying attention to tightening torques as reference values.

When tightening injection lines, apply counterhold to injection valves as well as to double thread connec­tions on fuel distributor.

7   Run engine and check all fuel connections for leaks.

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