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344 Breakdown assistance
Before starting the engine
Apply the parking brake.
#
Switch on the ignition.
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Shift the transmission to neutral position.
#
Tilt the cab forward (
/
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Starting the engine
Press the external engine start/stop
#
the engine starts.
Starting the engine and increasing the
engine speed
Keep the external engine start/stop
#
pressed until the desired engine speed has
been reached.
The engine speed increases after approx‐
imately three seconds. After releasing the
external engine start/stop 1, the engine
runs at the currently set engine speed.
The engine speed can be increased up to the
limiting speed.
Switching off the engine
Press the external engine start/stop
#
again.
Tilt the cab back to drive position.
#
Bleeding the fuel system
& WARNING Risk of explosion during
charging process and starting assistance
During the charging process and starting
assistance, the battery may release an explo‐
sive gas mixture.
* NOTE Damage of the starter due to too
Bleeding the fuel system without fuel prefil‐
ter (OM 460)
#
#
#
#
page 339).
#
1
until
1
#
#
1
If fuel pressure has been established at the hand
pump 1, the engine must be started within
about five seconds. Otherwise the fuel pressure
drops and the process must be repeated.
Avoid fire, naked flames, creating
#
sparks and smoking.
Make sure that there is sufficient venti‐
#
lation during the charging process and
during starting assistance.
Do not lean over a battery.
#
many starting procedures
Do not bleed the fuel system with repeated
starting procedures. The starter could other‐
wise be damaged.
Apply the parking brake.
Switch on the ignition.
Shift the transmission to neutral position.
Tilt the cab forward (
page 339).
/
Unscrew the fuel tank fuel filler cap.
Unscrew the fasteners 1.
Slide the cap
3
to the side and remove the
cover 2.
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