Deutz BF4M 2012, Operation Manual, Page: 54 / 86

© 2003
6 6
6 6 6
Service and Maintenance Service and Maintenance
Service and Maintenance Service and Maintenance Service and Maintenance
6.2 Fuel System 6.2 Fuel System
6.2 Fuel System 6.2 Fuel System
6.2 Fuel System
6.2.3 6.2.3 6.2.3 6.2.3 6.2.3 Clean / purge or change fuel Clean / purge or change fuel Clean / purge or change fuel Clean / purge or change fuel Clean / purge or change fuel
pre-filter
pre-filter pre-filter pre-filter pre-filter
Clean (purge) - remove water: Clean (purge) - remove water:
Clean (purge) - remove water: Clean (purge) - remove water: Clean (purge) - remove water:
●
Turn off engine or, in the case of a change-
over filter, switch over to the other filter.
●
Close the fuel stopcock or supply. (if available)
●
Open the bleed screw 1 on the cover 2
●
Place the fuel collector underneath the fuel
pre-filter.
●
Empty water and dirt from the bowl 6 by
opening (press in and turn slightly without
using force) the drain cock 8 and close the
drain cock 8 again
●
Close the bleed screw 1 on the cover 2 again
●
Bleed the fuel pipe according to instructions,
see 6.2.5 opposite
Changing the filter element 5: Changing the filter element 5: Changing the filter element 5: Changing the filter element 5: Changing the filter element 5:
Change at least once a year or as required (drop
in performance also after purging)
●
Turn off the engine or switch to other filter in
case of changeover filter
●
Close the fuel stopcock or supply (if available)
●
Loosen the cover screws 3 diagonally
●
Remove the cover 2
●
Remove the spring cassette 4
●
Remove the filter element 5 from the bracket
●
Insert new filter element 5
●
Place spring cassette 4 on the element
●
Check that the cover seal is fit properly in the
cover 2 and check for damage (change if
necessary)
●
Tighten the cover 2 with the screws 3
diagonally (torque 6 Nm)
●
Check the cover 2 for proper fit and leaks
●
Bleed the fuel system, see 6.2.4.
Naked flames are prohibited when
working on the fuel system! Do
not smoke!
Dispose of old fuel in an environ-
mentally friendly way!
The connection of a warning system
(lamp/horn) via contacts 7 is specified.
Immediate maintenance is necessary when the
warning system is triggered.
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