Maintenance
Drive unit/diesel engine
BA RD24_RD27 en 04
137
[1] Oil dipstick [2] Oil filler
[3] Oil drain screw
4.03.03 Fuel prefilter
Changing filter cartridge for the fuel pre-filter
Switch off diesel engine and remove ignition key.
Allow machine to cool down under a temperature of 30 °C (86 °F).
Open the drain valve [1] (screw conical nipple into housing).
Open the vent screw [4].
Drain fuel and waste sump from the filter.
Unscrew filter cartridge [3].
Unscrew the drain housing [2] from the filter cartridge and clean it.
Remove contamination from drain valve [1] (check function).
Screw the drain housing [2] with a new gasket ring to the filter
cartridge [3] and tighten by hand. Close drain valve [1] (unscrew the
conical nipple from the housing until the stop).
Prior to assembly apply a thin coat of oil to the rubber seal and screw
the new filter cartridge [1] to the filter head until the seal makes
contact. Tighten the filter cartridge by hand further by half a turn.
Screw in and tighten the vent screw [4].
Open the purge screw [5] at the fuel filter cartridge [6] by one turn.