Maintenance work on the superstructure
8.4 Fuel system
8 - 28 3 302 577 en Maintenance manual
GMK7450
16.08.2018
8.4.1 Draining off water from fuel filter 1
Spare parts and
tools
– Receptacle, approx. 5 l (1.5 gal); à P. 2 - 4.
Prerequisites – The truck crane must be level.
– The engine must not be running and must be secured against unauthor-
ised use;
à P. 2 - 3.
WIF sensor Fuel filter 1 is equipped with a chamber in the lower region that collects the
separated water.
The sensor emits a signal when the chamber
is full (WIF = Water in Fuel).
If the engine malfunction lamp (1) on the side
panel lights up (have the error
code read) then you must drain the water from fuel filter 1.
• Where possible, drain the water regularly before the sensor is triggered.
• Note that the quality of the fuel, and thus the water content, can vary
greatly with the application location.
• Daily water draining may be necessary in the case of very low quality fuel.
Draining off water
• Place a receptacle underneath the filter.
• Open the valve (1).
• If the consumable that emerges is clean,
close the valve by hand.
• Remove the receptacle and properly dis-
pose of the drained consumable.
O
Risk of environmental damage due to leaking consumables!
Always let consumables drain into suitable receptacles. Wipe up any con-
sumables that escape.
Store/dispose of consumables and any soaked equipment properly.
Ask about the applicable regulations.
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