Maintenance and care
32
Caution:
Do not leave selector lever in any in-
termediate position because this
would be liable to interfere with fuel
supply. If in doubt stop the engine to
change the fuel filter.
Continuous operation
(both filter halves
in operation)
Right-hand filter
cut out
Left-hand filter
cut out
To replace filter element
D Move selector lever to position where
filter side to be cleaned is cut out
D Slacken vent plug 1 or 2 turns (fit new
seals)
D Allow filter to drain through sludge drain
plug
D Take off filter cover on slackening fixing
nut
D Withdraw filter element and flush filter
chamber with clean fuel
D Install new element
D Fit filter cover using new gasket
D Fill filter bowl through filler opening with
fuel. Close vent plug
D Position selector lever so that both
filters are in circuit
Change-over fuel filter with inter-
changeable filter
2
3
1
1 Filter cartridge
2 Bleed screw
3 Selector lever
Replacement of filter elements:
After every 1000 hours of operation – or
earlier if loss of engine power indicates
clogging – the filter elements should be
renewed.
Caution:
Used fuel filters are classed as dan-
gerous waste and must be disposed of
accordingly.
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