Maintenance and care
54
Parallel fuel filter
Changing fuel filter
Only when engine is switched off
D
Loosen filter cartridge by means of tape
wrench, unscrew it by hand and take it
off
D
Moisten the seals on the new filter car-
tridge with fuel
D
Screw on the filter cartridges and
tighten them vigorously by hand
D
Bleed fuel system
D
Check filter for leaks
Caution:
Used fuel filters are classed as
dangerous waste and must be dis-
posed of accordingly.
Change-over fuel filter
Where the changeover-type filter is
installed, the servicing procedure is for the
filter side requiring to be shut off with the
engine running. During continuous oper-
ation, the selector lever should be placed
in a position where both filter halves are in
operation.
Caution:
Do not leave selector lever in any
intermediate position because this
would be liable to interfere with
fuel supply. If in doubt stop the en-
gine to change the fuel filter.
Continuous operation
(both filter halves
in operation)
Right-hand filter
cut out
Left-hand filter
cut out
