Mercedes-Benz Actros 2017, Operating Instructions Manual

Page: 379 / 436

X Unscrew fasteners
:
.
X Slide cap
=
to the side and remove cover
;
.
When the fuel pressure has been built up using
hand pump
:
on the main filter, you must start
the engine within approximately five seconds.
Otherwise, the fuel pressure decreases and you
will have to repeat the procedure.
X Push hand pump
:
on engine control unit
;
repeatedly (approximately 100 times), until
you hear the overflow valve open.
X
Press the external engine start/engine stop
switch (
Y
page 376) within approximately five
seconds and start the engine.
X
If the engine starts: leave the engine running
at an increased engine speed.
X If the engine does not start: repeat the pro-
cedure.
X
Tilt the cab forwards (electrohydraulic
(
Y
page 374) or mechanical hydraulic
(
Y
page 373) cab tilt system).
X Tighten the fuel tank filler cap.
X
Replace the cover.
Bleeding the fuel system without fuel
prefilter on chassis frame
(OM 470/471/473 only)
! Do not bleed the fuel system with several
starting procedures. You could otherwise
damage the starter motor.
X Apply the parking brake.
X
Switch the ignition lock to the drive position.
X
Shift into neutral.
X Tilt the cab forwards (electrohydraulic
(
Y
page 374) or mechanical hydraulic
(
Y
page 373) cab tilt system).
X
Unscrew the fuel tank filler cap.
X
Remove bolts
;
.
X Remove cover
:
.
When the fuel pressure has been built up using
hand pump
=
on the main filter, you must start
the engine within approximately five seconds.
Otherwise, the fuel pressure decreases and you
will have to repeat the procedure.
X
Press the handle of hand pump
=
on the
main filter until there is noticeable resistance.
X Press the external engine start/engine stop
switch (
Y
page 376) within approximately five
seconds and start the engine.
Engine
377
Breakdown assistance
Z