Maintenance
Drive unit/diesel engine
138
BA RD24_RD27 en 04
Switch on the electrical system until fuel runs out of the vent hole [5]
of the fuel filter cartridge.
Screw in and tighten the vent screw [5].
Check for tightness after assembly.
NOTE
Air in the fuel system is fully vented when starting the
diesel engine. For this, several starting attempts may be
necessary. The start process can be activated for a maximum
of 20 seconds at a time; otherwise, the starter winding will
overheat and be destroyed. There must be pauses of at least
1 minute between the individual starting processes in order to
allow the starter to cool down.
Draining water separator
NOTICE
Water sump in the fuel!
Property damage to the diesel engine by water sump in the fuel
system.
■
Dewater the fuel prefilter/water trap regularly according to the
water content of the fuel.
■
If the fuel has a high water content, dewatering must be performed
more frequently.
Switch off diesel engine and remove ignition key.
Allow machine to cool down under a temperature of 30 °C (86 °F).
Open the vent screw [1].
Open drain valve [2].
Allow water sump to drain off.
Close drain valve [2].
Close the venting plug [1].
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