Removing And Installing The Injectors - Man D 2842 LE 620 Repair Manual

Danger:
Before starting the work, comply with "Special instructions when working on the common rail sys-
tem" (see page 9).
Caution:
All connections and removed parts are to be closed immediately with suitable caps!
Dirt in the injection system causes:
D injectors to jam
D the high-pressure pump drive to break
The lines contain fuel!
Catch escaping fuel in a suitable container.
Removing injectors
D Close shutoff valve from tank to engine
D Removing rail, see page 29
D Draining off coolant, see page 40
Fig. 1
Remove the cylinder head covers.
Fig. 2
Remove the cable lugs on the injector.
Caution:
There are small copper washers under the
cable lugs; these could fall into the en-
gine!
Fig. 3
Remove the valve cover seal.
Remove mounting bolts from carrier for injector
cable harness and slew carrier to one side.

Removing and installing the injectors

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2
3