Man D 2840 LE 301, Repair Manual

Page: 34 / 194

5
6
7
8
Removing and installing fuel injectors
32
Fig. 5
Screw adapter on to nozzle holder.
Screw on inertia extractor and knock out nozzle
holder.
Take sealing ring off the injection nozzle.
Check and repair injector, see page 33.
Installing fuel injectors
Fig. 6
Insert new sealing ring, apply “Never Seeze” to the
contact points of the nozzle holder and insert
nozzle holder with nozzle into cylinder head.
Screw in injector with new seal. Screw on union
nut and tighten to specified torque.
Tightening torque:
120 Nm
Fig. 7
(Example)
The lubricant, which is available as a spray, must
be applied to the inside of the pressure screw, to
the threaded portion of the pressure screw and to
the nozzle holder (see shaded area).
Fig. 8
Fit fuel return line together with new sealing rings
to the nozzle holders and tighten to specified
torque.
Tightening torque:
18 Nm
Screw the pressure lines to the nozzle holders and
to the injection pump and tighten to specified
torque.
Fit the charge-air elbow and the charge-air pipes to
the turbocharger. Exchange the O-ring seals.