Service and maintenance
114 Fuel system
Fuel prefilter, changing (optional equipment)
Change the filter insert every 250 hours. More frequent
changes may be necessary depending on fuel consumption
and fuel grade.
Also change the filter insert in connection with changing the
primary and secondary filters after alarm for clogged filter,
see page 113.
Draining
Drain the filter daily. Also drain when the water trap is drained
after an alarm for water in fuel, see page 113.
1 Drain the water trap of water and any other impurities by turning
the valve at the bottom of the filter.Collect the water in a
container.
2 Turn back the valve when only clean fuel runs out.
Removing and cleaning
1 Remove the filter cover by turning the T-handle counter-
clockwise.
2 Carefully remove the filter insert with a twisting movement.
3 Clean the water bowl with soapy water on a clean, soft rag or
brush. Do not use solvents or abrasive cleaners.
4 Rinse and dry the water bowl thoroughly.
Installing
5 Install the new filter insert and press it all the way down.
6 Fill with clean diesel fuel all the way up.
7 Change the gasket for the cover and the T-handle's O-ring if
needed. Brush diesel on the gasket and the O-ring.
8 Install and fasten the filter cover with the T-handle.
1048491
Fuel prefilter
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