Maintenance and care
22
Fuel system
Fuel
If Diesel fuel which contains moisture is used the injection system and the cylinder liners
/ pistons will be damaged. This can be prevented to same extent by filling the tank as
soon as the engine is switched off while the fuel tank is still warm (formation of con-
densation is prevented). Drain moisture from storage tanks regularly.
Installation of a water trap upstream of the fuel filter is also advisable. Do not use any
additives to improve flow properties in winter.
Injection pump
No alterations must be made to the injection pump. If the lead seal is damaged the war-
ranty on the engine will become null and avoid.
Faults
We urgently recommend that you have faults in the injection pump rectified only in an au-
thorised specialist workshop.
Cleaning fuel pre-cleaner
Strip the fuel pre-cleaner À:
D Remove filter housing Á
D Wash out filter housing Á and gauze
filter  in clean Diesel fuel and blow
them out with compressed air
D Reassemble using new seal
D Screw on filter housing
D Actuate plunger of hand priming pump
until the overflow valve of the injection
pump opens audibly
D Screw in and tighten plunger on hand
pump
D Start engine
D Check fuel pre-cleaner for leaks
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